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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/drivers/clk/at91/sama7g5.c
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// SPDX-License-Identifier: GPL-2.0
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/*
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* SAMA7G5 PMC code.
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*
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* Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries
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*
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* Author: Claudiu Beznea <[email protected]>
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*
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*/
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#include <linux/mfd/syscon.h>
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#include <linux/slab.h>
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#include <dt-bindings/clock/at91.h>
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#include "pmc.h"
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static DEFINE_SPINLOCK(pmc_pll_lock);
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static DEFINE_SPINLOCK(pmc_mck0_lock);
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static DEFINE_SPINLOCK(pmc_mckX_lock);
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/*
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* PLL clocks identifiers
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* @PLL_ID_CPU: CPU PLL identifier
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* @PLL_ID_SYS: System PLL identifier
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* @PLL_ID_DDR: DDR PLL identifier
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* @PLL_ID_IMG: Image subsystem PLL identifier
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* @PLL_ID_BAUD: Baud PLL identifier
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* @PLL_ID_AUDIO: Audio PLL identifier
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* @PLL_ID_ETH: Ethernet PLL identifier
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*/
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enum pll_ids {
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PLL_ID_CPU,
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PLL_ID_SYS,
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PLL_ID_DDR,
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PLL_ID_IMG,
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PLL_ID_BAUD,
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PLL_ID_AUDIO,
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PLL_ID_ETH,
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PLL_ID_MAX,
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};
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/*
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* PLL component identifier
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* @PLL_COMPID_FRAC: Fractional PLL component identifier
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* @PLL_COMPID_DIV0: 1st PLL divider component identifier
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* @PLL_COMPID_DIV1: 2nd PLL divider component identifier
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*/
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enum pll_component_id {
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PLL_COMPID_FRAC,
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PLL_COMPID_DIV0,
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PLL_COMPID_DIV1,
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PLL_COMPID_MAX,
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};
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/*
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* PLL type identifiers
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* @PLL_TYPE_FRAC: fractional PLL identifier
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* @PLL_TYPE_DIV: divider PLL identifier
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*/
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enum pll_type {
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PLL_TYPE_FRAC,
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PLL_TYPE_DIV,
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};
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/* Layout for fractional PLLs. */
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static const struct clk_pll_layout pll_layout_frac = {
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.mul_mask = GENMASK(31, 24),
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.frac_mask = GENMASK(21, 0),
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.mul_shift = 24,
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.frac_shift = 0,
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};
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/* Layout for DIVPMC dividers. */
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static const struct clk_pll_layout pll_layout_divpmc = {
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.div_mask = GENMASK(7, 0),
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.endiv_mask = BIT(29),
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.div_shift = 0,
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.endiv_shift = 29,
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};
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/* Layout for DIVIO dividers. */
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static const struct clk_pll_layout pll_layout_divio = {
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.div_mask = GENMASK(19, 12),
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.endiv_mask = BIT(30),
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.div_shift = 12,
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.endiv_shift = 30,
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};
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/*
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* CPU PLL output range.
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* Notice: The upper limit has been setup to 1000000002 due to hardware
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* block which cannot output exactly 1GHz.
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*/
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static const struct clk_range cpu_pll_outputs[] = {
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{ .min = 2343750, .max = 1000000002 },
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};
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/* PLL output range. */
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static const struct clk_range pll_outputs[] = {
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{ .min = 2343750, .max = 1200000000 },
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};
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/* Fractional PLL core output range. */
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static const struct clk_range core_outputs[] = {
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{ .min = 600000000, .max = 1200000000 },
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};
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/* CPU PLL characteristics. */
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static const struct clk_pll_characteristics cpu_pll_characteristics = {
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.input = { .min = 12000000, .max = 50000000 },
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.num_output = ARRAY_SIZE(cpu_pll_outputs),
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.output = cpu_pll_outputs,
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.core_output = core_outputs,
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.acr = UL(0x00070010),
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};
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/* PLL characteristics. */
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static const struct clk_pll_characteristics pll_characteristics = {
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.input = { .min = 12000000, .max = 50000000 },
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.num_output = ARRAY_SIZE(pll_outputs),
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.output = pll_outputs,
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.core_output = core_outputs,
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.acr = UL(0x00070010),
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};
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/*
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* SAMA7G5 PLL possible parents
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* @SAMA7G5_PLL_PARENT_MAINCK: MAINCK is PLL a parent
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* @SAMA7G5_PLL_PARENT_MAIN_XTAL: MAIN XTAL is a PLL parent
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* @SAMA7G5_PLL_PARENT_FRACCK: Frac PLL is a PLL parent (for PLL dividers)
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*/
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enum sama7g5_pll_parent {
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SAMA7G5_PLL_PARENT_MAINCK,
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SAMA7G5_PLL_PARENT_MAIN_XTAL,
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SAMA7G5_PLL_PARENT_FRACCK,
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};
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/*
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* PLL clocks description
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* @n: clock name
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* @l: clock layout
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* @c: clock characteristics
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* @hw: pointer to clk_hw
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* @t: clock type
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* @f: clock flags
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* @p: clock parent
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* @eid: export index in sama7g5->chws[] array
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* @safe_div: intermediate divider need to be set on PRE_RATE_CHANGE
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* notification
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*/
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static struct sama7g5_pll {
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const char *n;
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const struct clk_pll_layout *l;
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const struct clk_pll_characteristics *c;
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struct clk_hw *hw;
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unsigned long f;
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enum sama7g5_pll_parent p;
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u8 t;
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u8 eid;
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u8 safe_div;
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} sama7g5_plls[][PLL_COMPID_MAX] = {
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[PLL_ID_CPU] = {
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[PLL_COMPID_FRAC] = {
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.n = "cpupll_fracck",
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.p = SAMA7G5_PLL_PARENT_MAINCK,
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.l = &pll_layout_frac,
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.c = &cpu_pll_characteristics,
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.t = PLL_TYPE_FRAC,
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/*
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* This feeds cpupll_divpmcck which feeds CPU. It should
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* not be disabled.
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*/
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.f = CLK_IS_CRITICAL,
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},
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[PLL_COMPID_DIV0] = {
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.n = "cpupll_divpmcck",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divpmc,
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.c = &cpu_pll_characteristics,
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.t = PLL_TYPE_DIV,
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/* This feeds CPU. It should not be disabled. */
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.f = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT,
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.eid = PMC_CPUPLL,
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/*
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* Safe div=15 should be safe even for switching b/w 1GHz and
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* 90MHz (frac pll might go up to 1.2GHz).
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*/
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.safe_div = 15,
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},
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},
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[PLL_ID_SYS] = {
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[PLL_COMPID_FRAC] = {
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.n = "syspll_fracck",
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.p = SAMA7G5_PLL_PARENT_MAINCK,
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.l = &pll_layout_frac,
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.c = &pll_characteristics,
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.t = PLL_TYPE_FRAC,
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/*
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* This feeds syspll_divpmcck which may feed critical parts
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* of the systems like timers. Therefore it should not be
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* disabled.
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*/
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.f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE,
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},
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[PLL_COMPID_DIV0] = {
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.n = "syspll_divpmcck",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divpmc,
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.c = &pll_characteristics,
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.t = PLL_TYPE_DIV,
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/*
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* This may feed critical parts of the systems like timers.
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* Therefore it should not be disabled.
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*/
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.f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE,
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.eid = PMC_SYSPLL,
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},
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},
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[PLL_ID_DDR] = {
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[PLL_COMPID_FRAC] = {
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.n = "ddrpll_fracck",
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.p = SAMA7G5_PLL_PARENT_MAINCK,
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.l = &pll_layout_frac,
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.c = &pll_characteristics,
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.t = PLL_TYPE_FRAC,
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/*
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* This feeds ddrpll_divpmcck which feeds DDR. It should not
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* be disabled.
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*/
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.f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE,
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},
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[PLL_COMPID_DIV0] = {
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.n = "ddrpll_divpmcck",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divpmc,
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.c = &pll_characteristics,
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.t = PLL_TYPE_DIV,
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/* This feeds DDR. It should not be disabled. */
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.f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE,
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},
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},
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[PLL_ID_IMG] = {
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[PLL_COMPID_FRAC] = {
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.n = "imgpll_fracck",
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.p = SAMA7G5_PLL_PARENT_MAINCK,
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.l = &pll_layout_frac,
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.c = &pll_characteristics,
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.t = PLL_TYPE_FRAC,
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.f = CLK_SET_RATE_GATE,
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},
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[PLL_COMPID_DIV0] = {
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.n = "imgpll_divpmcck",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divpmc,
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.c = &pll_characteristics,
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.t = PLL_TYPE_DIV,
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.f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
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CLK_SET_RATE_PARENT,
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},
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},
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[PLL_ID_BAUD] = {
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[PLL_COMPID_FRAC] = {
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.n = "baudpll_fracck",
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.p = SAMA7G5_PLL_PARENT_MAINCK,
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.l = &pll_layout_frac,
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.c = &pll_characteristics,
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.t = PLL_TYPE_FRAC,
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.f = CLK_SET_RATE_GATE, },
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[PLL_COMPID_DIV0] = {
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.n = "baudpll_divpmcck",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divpmc,
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.c = &pll_characteristics,
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.t = PLL_TYPE_DIV,
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.f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
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CLK_SET_RATE_PARENT,
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},
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},
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[PLL_ID_AUDIO] = {
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[PLL_COMPID_FRAC] = {
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.n = "audiopll_fracck",
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.p = SAMA7G5_PLL_PARENT_MAIN_XTAL,
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.l = &pll_layout_frac,
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.c = &pll_characteristics,
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.t = PLL_TYPE_FRAC,
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.f = CLK_SET_RATE_GATE,
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},
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[PLL_COMPID_DIV0] = {
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.n = "audiopll_divpmcck",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divpmc,
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.c = &pll_characteristics,
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.t = PLL_TYPE_DIV,
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.f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
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CLK_SET_RATE_PARENT,
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.eid = PMC_AUDIOPMCPLL,
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},
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[PLL_COMPID_DIV1] = {
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.n = "audiopll_diviock",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divio,
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.c = &pll_characteristics,
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.t = PLL_TYPE_DIV,
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.f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
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CLK_SET_RATE_PARENT,
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.eid = PMC_AUDIOIOPLL,
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},
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},
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[PLL_ID_ETH] = {
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[PLL_COMPID_FRAC] = {
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.n = "ethpll_fracck",
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.p = SAMA7G5_PLL_PARENT_MAIN_XTAL,
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.l = &pll_layout_frac,
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.c = &pll_characteristics,
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.t = PLL_TYPE_FRAC,
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.f = CLK_SET_RATE_GATE,
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},
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[PLL_COMPID_DIV0] = {
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.n = "ethpll_divpmcck",
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.p = SAMA7G5_PLL_PARENT_FRACCK,
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.l = &pll_layout_divpmc,
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.c = &pll_characteristics,
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.t = PLL_TYPE_DIV,
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.f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
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CLK_SET_RATE_PARENT,
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},
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},
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};
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/* Used to create an array entry identifying a PLL by its components. */
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#define PLL_IDS_TO_ARR_ENTRY(_id, _comp) { PLL_ID_##_id, PLL_COMPID_##_comp}
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/*
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* Master clock (MCK[1..4]) description
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* @n: clock name
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* @ep: extra parents names array (entry formed by PLL components
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* identifiers (see enum pll_component_id))
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* @hw: pointer to clk_hw
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* @ep_chg_id: index in parents array that specifies the changeable
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* parent
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* @ep_count: extra parents count
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* @ep_mux_table: mux table for extra parents
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* @id: clock id
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* @eid: export index in sama7g5->chws[] array
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* @c: true if clock is critical and cannot be disabled
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*/
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static struct {
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const char *n;
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struct {
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int pll_id;
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int pll_compid;
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} ep[4];
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struct clk_hw *hw;
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int ep_chg_id;
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u8 ep_count;
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u8 ep_mux_table[4];
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u8 id;
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u8 eid;
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u8 c;
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} sama7g5_mckx[] = {
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{ .n = "mck0", }, /* Dummy entry for MCK0 to store hw in probe. */
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{ .n = "mck1",
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.id = 1,
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.ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), },
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.ep_mux_table = { 5, },
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.ep_count = 1,
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.ep_chg_id = INT_MIN,
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.eid = PMC_MCK1,
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.c = 1, },
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{ .n = "mck2",
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.id = 2,
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.ep = { PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), },
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.ep_mux_table = { 6, },
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.ep_count = 1,
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.ep_chg_id = INT_MIN,
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.c = 1, },
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{ .n = "mck3",
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.id = 3,
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.ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(DDR, DIV0),
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PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), },
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.ep_mux_table = { 5, 6, 7, },
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.ep_count = 3,
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.ep_chg_id = 5, },
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{ .n = "mck4",
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.id = 4,
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.ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), },
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.ep_mux_table = { 5, },
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.ep_count = 1,
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.ep_chg_id = INT_MIN,
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.c = 1, },
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};
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/*
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* System clock description
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* @n: clock name
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* @id: clock id
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*/
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static const struct {
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const char *n;
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u8 id;
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} sama7g5_systemck[] = {
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{ .n = "pck0", .id = 8, },
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{ .n = "pck1", .id = 9, },
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{ .n = "pck2", .id = 10, },
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{ .n = "pck3", .id = 11, },
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{ .n = "pck4", .id = 12, },
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{ .n = "pck5", .id = 13, },
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{ .n = "pck6", .id = 14, },
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{ .n = "pck7", .id = 15, },
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};
430
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/* Mux table for programmable clocks. */
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static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 5, 6, 7, 8, 9, 10, };
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/*
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* Peripheral clock parent hw identifier (used to index in sama7g5_mckx[])
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* @PCK_PARENT_HW_MCK0: pck parent hw identifier is MCK0
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* @PCK_PARENT_HW_MCK1: pck parent hw identifier is MCK1
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* @PCK_PARENT_HW_MCK2: pck parent hw identifier is MCK2
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* @PCK_PARENT_HW_MCK3: pck parent hw identifier is MCK3
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* @PCK_PARENT_HW_MCK4: pck parent hw identifier is MCK4
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* @PCK_PARENT_HW_MAX: max identifier
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*/
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enum sama7g5_pck_parent_hw_id {
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PCK_PARENT_HW_MCK0,
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PCK_PARENT_HW_MCK1,
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PCK_PARENT_HW_MCK2,
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PCK_PARENT_HW_MCK3,
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PCK_PARENT_HW_MCK4,
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PCK_PARENT_HW_MAX,
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};
451
452
/*
453
* Peripheral clock description
454
* @n: clock name
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* @p: clock parent hw id
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* @r: clock range values
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* @id: clock id
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* @chgp: index in parent array of the changeable parent
459
*/
460
static struct {
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const char *n;
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enum sama7g5_pck_parent_hw_id p;
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struct clk_range r;
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u8 chgp;
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u8 id;
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} sama7g5_periphck[] = {
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{ .n = "pioA_clk", .p = PCK_PARENT_HW_MCK0, .id = 11, },
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{ .n = "securam_clk", .p = PCK_PARENT_HW_MCK0, .id = 18, },
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{ .n = "sfr_clk", .p = PCK_PARENT_HW_MCK1, .id = 19, },
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{ .n = "hsmc_clk", .p = PCK_PARENT_HW_MCK1, .id = 21, },
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{ .n = "xdmac0_clk", .p = PCK_PARENT_HW_MCK1, .id = 22, },
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{ .n = "xdmac1_clk", .p = PCK_PARENT_HW_MCK1, .id = 23, },
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{ .n = "xdmac2_clk", .p = PCK_PARENT_HW_MCK1, .id = 24, },
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{ .n = "acc_clk", .p = PCK_PARENT_HW_MCK1, .id = 25, },
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{ .n = "aes_clk", .p = PCK_PARENT_HW_MCK1, .id = 27, },
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{ .n = "tzaesbasc_clk", .p = PCK_PARENT_HW_MCK1, .id = 28, },
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{ .n = "asrc_clk", .p = PCK_PARENT_HW_MCK1, .id = 30, .r = { .max = 200000000, }, },
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{ .n = "cpkcc_clk", .p = PCK_PARENT_HW_MCK0, .id = 32, },
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{ .n = "csi_clk", .p = PCK_PARENT_HW_MCK3, .id = 33, .r = { .max = 266000000, }, .chgp = 1, },
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{ .n = "csi2dc_clk", .p = PCK_PARENT_HW_MCK3, .id = 34, .r = { .max = 266000000, }, .chgp = 1, },
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{ .n = "eic_clk", .p = PCK_PARENT_HW_MCK1, .id = 37, },
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{ .n = "flex0_clk", .p = PCK_PARENT_HW_MCK1, .id = 38, },
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{ .n = "flex1_clk", .p = PCK_PARENT_HW_MCK1, .id = 39, },
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{ .n = "flex2_clk", .p = PCK_PARENT_HW_MCK1, .id = 40, },
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{ .n = "flex3_clk", .p = PCK_PARENT_HW_MCK1, .id = 41, },
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{ .n = "flex4_clk", .p = PCK_PARENT_HW_MCK1, .id = 42, },
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{ .n = "flex5_clk", .p = PCK_PARENT_HW_MCK1, .id = 43, },
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{ .n = "flex6_clk", .p = PCK_PARENT_HW_MCK1, .id = 44, },
489
{ .n = "flex7_clk", .p = PCK_PARENT_HW_MCK1, .id = 45, },
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{ .n = "flex8_clk", .p = PCK_PARENT_HW_MCK1, .id = 46, },
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{ .n = "flex9_clk", .p = PCK_PARENT_HW_MCK1, .id = 47, },
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{ .n = "flex10_clk", .p = PCK_PARENT_HW_MCK1, .id = 48, },
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{ .n = "flex11_clk", .p = PCK_PARENT_HW_MCK1, .id = 49, },
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{ .n = "gmac0_clk", .p = PCK_PARENT_HW_MCK1, .id = 51, },
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{ .n = "gmac1_clk", .p = PCK_PARENT_HW_MCK1, .id = 52, },
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{ .n = "icm_clk", .p = PCK_PARENT_HW_MCK1, .id = 55, },
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{ .n = "isc_clk", .p = PCK_PARENT_HW_MCK3, .id = 56, .r = { .max = 266000000, }, .chgp = 1, },
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{ .n = "i2smcc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 57, .r = { .max = 200000000, }, },
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{ .n = "i2smcc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 58, .r = { .max = 200000000, }, },
500
{ .n = "matrix_clk", .p = PCK_PARENT_HW_MCK1, .id = 60, },
501
{ .n = "mcan0_clk", .p = PCK_PARENT_HW_MCK1, .id = 61, .r = { .max = 200000000, }, },
502
{ .n = "mcan1_clk", .p = PCK_PARENT_HW_MCK1, .id = 62, .r = { .max = 200000000, }, },
503
{ .n = "mcan2_clk", .p = PCK_PARENT_HW_MCK1, .id = 63, .r = { .max = 200000000, }, },
504
{ .n = "mcan3_clk", .p = PCK_PARENT_HW_MCK1, .id = 64, .r = { .max = 200000000, }, },
505
{ .n = "mcan4_clk", .p = PCK_PARENT_HW_MCK1, .id = 65, .r = { .max = 200000000, }, },
506
{ .n = "mcan5_clk", .p = PCK_PARENT_HW_MCK1, .id = 66, .r = { .max = 200000000, }, },
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{ .n = "pdmc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 68, .r = { .max = 200000000, }, },
508
{ .n = "pdmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 69, .r = { .max = 200000000, }, },
509
{ .n = "pit64b0_clk", .p = PCK_PARENT_HW_MCK1, .id = 70, },
510
{ .n = "pit64b1_clk", .p = PCK_PARENT_HW_MCK1, .id = 71, },
511
{ .n = "pit64b2_clk", .p = PCK_PARENT_HW_MCK1, .id = 72, },
512
{ .n = "pit64b3_clk", .p = PCK_PARENT_HW_MCK1, .id = 73, },
513
{ .n = "pit64b4_clk", .p = PCK_PARENT_HW_MCK1, .id = 74, },
514
{ .n = "pit64b5_clk", .p = PCK_PARENT_HW_MCK1, .id = 75, },
515
{ .n = "pwm_clk", .p = PCK_PARENT_HW_MCK1, .id = 77, },
516
{ .n = "qspi0_clk", .p = PCK_PARENT_HW_MCK1, .id = 78, },
517
{ .n = "qspi1_clk", .p = PCK_PARENT_HW_MCK1, .id = 79, },
518
{ .n = "sdmmc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 80, },
519
{ .n = "sdmmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 81, },
520
{ .n = "sdmmc2_clk", .p = PCK_PARENT_HW_MCK1, .id = 82, },
521
{ .n = "sha_clk", .p = PCK_PARENT_HW_MCK1, .id = 83, },
522
{ .n = "spdifrx_clk", .p = PCK_PARENT_HW_MCK1, .id = 84, .r = { .max = 200000000, }, },
523
{ .n = "spdiftx_clk", .p = PCK_PARENT_HW_MCK1, .id = 85, .r = { .max = 200000000, }, },
524
{ .n = "ssc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 86, .r = { .max = 200000000, }, },
525
{ .n = "ssc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 87, .r = { .max = 200000000, }, },
526
{ .n = "tcb0_ch0_clk", .p = PCK_PARENT_HW_MCK1, .id = 88, .r = { .max = 200000000, }, },
527
{ .n = "tcb0_ch1_clk", .p = PCK_PARENT_HW_MCK1, .id = 89, .r = { .max = 200000000, }, },
528
{ .n = "tcb0_ch2_clk", .p = PCK_PARENT_HW_MCK1, .id = 90, .r = { .max = 200000000, }, },
529
{ .n = "tcb1_ch0_clk", .p = PCK_PARENT_HW_MCK1, .id = 91, .r = { .max = 200000000, }, },
530
{ .n = "tcb1_ch1_clk", .p = PCK_PARENT_HW_MCK1, .id = 92, .r = { .max = 200000000, }, },
531
{ .n = "tcb1_ch2_clk", .p = PCK_PARENT_HW_MCK1, .id = 93, .r = { .max = 200000000, }, },
532
{ .n = "tcpca_clk", .p = PCK_PARENT_HW_MCK1, .id = 94, },
533
{ .n = "tcpcb_clk", .p = PCK_PARENT_HW_MCK1, .id = 95, },
534
{ .n = "tdes_clk", .p = PCK_PARENT_HW_MCK1, .id = 96, },
535
{ .n = "trng_clk", .p = PCK_PARENT_HW_MCK1, .id = 97, },
536
{ .n = "udphsa_clk", .p = PCK_PARENT_HW_MCK1, .id = 104, },
537
{ .n = "udphsb_clk", .p = PCK_PARENT_HW_MCK1, .id = 105, },
538
{ .n = "uhphs_clk", .p = PCK_PARENT_HW_MCK1, .id = 106, },
539
};
540
541
/*
542
* Generic clock description
543
* @n: clock name
544
* @pp: PLL parents (entry formed by PLL components identifiers
545
* (see enum pll_component_id))
546
* @pp_mux_table: PLL parents mux table
547
* @r: clock output range
548
* @pp_chg_id: id in parent array of changeable PLL parent
549
* @pp_count: PLL parents count
550
* @id: clock id
551
*/
552
static const struct {
553
const char *n;
554
struct {
555
int pll_id;
556
int pll_compid;
557
} pp[8];
558
const char pp_mux_table[8];
559
struct clk_range r;
560
int pp_chg_id;
561
u8 pp_count;
562
u8 id;
563
} sama7g5_gck[] = {
564
{ .n = "adc_gclk",
565
.id = 26,
566
.r = { .max = 100000000, },
567
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
568
PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
569
.pp_mux_table = { 5, 7, 9, },
570
.pp_count = 3,
571
.pp_chg_id = INT_MIN, },
572
573
{ .n = "asrc_gclk",
574
.id = 30,
575
.r = { .max = 200000000 },
576
.pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
577
.pp_mux_table = { 9, },
578
.pp_count = 1,
579
.pp_chg_id = 3, },
580
581
{ .n = "csi_gclk",
582
.id = 33,
583
.r = { .max = 27000000 },
584
.pp = { PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), },
585
.pp_mux_table = { 6, 7, },
586
.pp_count = 2,
587
.pp_chg_id = INT_MIN, },
588
589
{ .n = "flex0_gclk",
590
.id = 38,
591
.r = { .max = 200000000 },
592
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
593
.pp_mux_table = { 5, 8, },
594
.pp_count = 2,
595
.pp_chg_id = INT_MIN, },
596
597
{ .n = "flex1_gclk",
598
.id = 39,
599
.r = { .max = 200000000 },
600
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
601
.pp_mux_table = { 5, 8, },
602
.pp_count = 2,
603
.pp_chg_id = INT_MIN, },
604
605
{ .n = "flex2_gclk",
606
.id = 40,
607
.r = { .max = 200000000 },
608
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
609
.pp_mux_table = { 5, 8, },
610
.pp_count = 2,
611
.pp_chg_id = INT_MIN, },
612
613
{ .n = "flex3_gclk",
614
.id = 41,
615
.r = { .max = 200000000 },
616
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
617
.pp_mux_table = { 5, 8, },
618
.pp_count = 2,
619
.pp_chg_id = INT_MIN, },
620
621
{ .n = "flex4_gclk",
622
.id = 42,
623
.r = { .max = 200000000 },
624
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
625
.pp_mux_table = { 5, 8, },
626
.pp_count = 2,
627
.pp_chg_id = INT_MIN, },
628
629
{ .n = "flex5_gclk",
630
.id = 43,
631
.r = { .max = 200000000 },
632
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
633
.pp_mux_table = { 5, 8, },
634
.pp_count = 2,
635
.pp_chg_id = INT_MIN, },
636
637
{ .n = "flex6_gclk",
638
.id = 44,
639
.r = { .max = 200000000 },
640
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
641
.pp_mux_table = { 5, 8, },
642
.pp_count = 2,
643
.pp_chg_id = INT_MIN, },
644
645
{ .n = "flex7_gclk",
646
.id = 45,
647
.r = { .max = 200000000 },
648
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
649
.pp_mux_table = { 5, 8, },
650
.pp_count = 2,
651
.pp_chg_id = INT_MIN, },
652
653
{ .n = "flex8_gclk",
654
.id = 46,
655
.r = { .max = 200000000 },
656
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
657
.pp_mux_table = { 5, 8, },
658
.pp_count = 2,
659
.pp_chg_id = INT_MIN, },
660
661
{ .n = "flex9_gclk",
662
.id = 47,
663
.r = { .max = 200000000 },
664
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
665
.pp_mux_table = { 5, 8, },
666
.pp_count = 2,
667
.pp_chg_id = INT_MIN, },
668
669
{ .n = "flex10_gclk",
670
.id = 48,
671
.r = { .max = 200000000 },
672
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
673
.pp_mux_table = { 5, 8, },
674
.pp_count = 2,
675
.pp_chg_id = INT_MIN, },
676
677
{ .n = "flex11_gclk",
678
.id = 49,
679
.r = { .max = 200000000 },
680
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
681
.pp_mux_table = { 5, 8, },
682
.pp_count = 2,
683
.pp_chg_id = INT_MIN, },
684
685
{ .n = "gmac0_gclk",
686
.id = 51,
687
.r = { .max = 125000000 },
688
.pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
689
.pp_mux_table = { 10, },
690
.pp_count = 1,
691
.pp_chg_id = 3, },
692
693
{ .n = "gmac1_gclk",
694
.id = 52,
695
.r = { .max = 50000000 },
696
.pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
697
.pp_mux_table = { 10, },
698
.pp_count = 1,
699
.pp_chg_id = INT_MIN, },
700
701
{ .n = "gmac0_tsu_gclk",
702
.id = 53,
703
.r = { .max = 300000000 },
704
.pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
705
.pp_mux_table = { 9, 10, },
706
.pp_count = 2,
707
.pp_chg_id = INT_MIN, },
708
709
{ .n = "gmac1_tsu_gclk",
710
.id = 54,
711
.r = { .max = 300000000 },
712
.pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
713
.pp_mux_table = { 9, 10, },
714
.pp_count = 2,
715
.pp_chg_id = INT_MIN, },
716
717
{ .n = "i2smcc0_gclk",
718
.id = 57,
719
.r = { .max = 100000000 },
720
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
721
.pp_mux_table = { 5, 9, },
722
.pp_count = 2,
723
.pp_chg_id = 4, },
724
725
{ .n = "i2smcc1_gclk",
726
.id = 58,
727
.r = { .max = 100000000 },
728
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
729
.pp_mux_table = { 5, 9, },
730
.pp_count = 2,
731
.pp_chg_id = 4, },
732
733
{ .n = "mcan0_gclk",
734
.id = 61,
735
.r = { .max = 200000000 },
736
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
737
.pp_mux_table = { 5, 8, },
738
.pp_count = 2,
739
.pp_chg_id = INT_MIN, },
740
741
{ .n = "mcan1_gclk",
742
.id = 62,
743
.r = { .max = 200000000 },
744
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
745
.pp_mux_table = { 5, 8, },
746
.pp_count = 2,
747
.pp_chg_id = INT_MIN, },
748
749
{ .n = "mcan2_gclk",
750
.id = 63,
751
.r = { .max = 200000000 },
752
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
753
.pp_mux_table = { 5, 8, },
754
.pp_count = 2,
755
.pp_chg_id = INT_MIN, },
756
757
{ .n = "mcan3_gclk",
758
.id = 64,
759
.r = { .max = 200000000 },
760
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
761
.pp_mux_table = { 5, 8, },
762
.pp_count = 2,
763
.pp_chg_id = INT_MIN, },
764
765
{ .n = "mcan4_gclk",
766
.id = 65,
767
.r = { .max = 200000000 },
768
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
769
.pp_mux_table = { 5, 8, },
770
.pp_count = 2,
771
.pp_chg_id = INT_MIN, },
772
773
{ .n = "mcan5_gclk",
774
.id = 66,
775
.r = { .max = 200000000 },
776
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
777
.pp_mux_table = { 5, 8, },
778
.pp_count = 2,
779
.pp_chg_id = INT_MIN, },
780
781
{ .n = "pdmc0_gclk",
782
.id = 68,
783
.r = { .max = 50000000 },
784
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
785
.pp_mux_table = { 5, 9, },
786
.pp_count = 2,
787
.pp_chg_id = INT_MIN, },
788
789
{ .n = "pdmc1_gclk",
790
.id = 69,
791
.r = { .max = 50000000, },
792
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
793
.pp_mux_table = { 5, 9, },
794
.pp_count = 2,
795
.pp_chg_id = INT_MIN, },
796
797
{ .n = "pit64b0_gclk",
798
.id = 70,
799
.r = { .max = 200000000 },
800
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
801
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
802
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
803
.pp_mux_table = { 5, 7, 8, 9, 10, },
804
.pp_count = 5,
805
.pp_chg_id = INT_MIN, },
806
807
{ .n = "pit64b1_gclk",
808
.id = 71,
809
.r = { .max = 200000000 },
810
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
811
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
812
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
813
.pp_mux_table = { 5, 7, 8, 9, 10, },
814
.pp_count = 5,
815
.pp_chg_id = INT_MIN, },
816
817
{ .n = "pit64b2_gclk",
818
.id = 72,
819
.r = { .max = 200000000 },
820
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
821
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
822
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
823
.pp_mux_table = { 5, 7, 8, 9, 10, },
824
.pp_count = 5,
825
.pp_chg_id = INT_MIN, },
826
827
{ .n = "pit64b3_gclk",
828
.id = 73,
829
.r = { .max = 200000000 },
830
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
831
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
832
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
833
.pp_mux_table = { 5, 7, 8, 9, 10, },
834
.pp_count = 5,
835
.pp_chg_id = INT_MIN, },
836
837
{ .n = "pit64b4_gclk",
838
.id = 74,
839
.r = { .max = 200000000 },
840
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
841
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
842
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
843
.pp_mux_table = { 5, 7, 8, 9, 10, },
844
.pp_count = 5,
845
.pp_chg_id = INT_MIN, },
846
847
{ .n = "pit64b5_gclk",
848
.id = 75,
849
.r = { .max = 200000000 },
850
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
851
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
852
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
853
.pp_mux_table = { 5, 7, 8, 9, 10, },
854
.pp_count = 5,
855
.pp_chg_id = INT_MIN, },
856
857
{ .n = "qspi0_gclk",
858
.id = 78,
859
.r = { .max = 200000000 },
860
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
861
.pp_mux_table = { 5, 8, },
862
.pp_count = 2,
863
.pp_chg_id = INT_MIN, },
864
865
{ .n = "qspi1_gclk",
866
.id = 79,
867
.r = { .max = 200000000 },
868
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
869
.pp_mux_table = { 5, 8, },
870
.pp_count = 2,
871
.pp_chg_id = INT_MIN, },
872
873
{ .n = "sdmmc0_gclk",
874
.id = 80,
875
.r = { .max = 208000000 },
876
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
877
.pp_mux_table = { 5, 8, },
878
.pp_count = 2,
879
.pp_chg_id = 4, },
880
881
{ .n = "sdmmc1_gclk",
882
.id = 81,
883
.r = { .max = 208000000 },
884
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
885
.pp_mux_table = { 5, 8, },
886
.pp_count = 2,
887
.pp_chg_id = 4, },
888
889
{ .n = "sdmmc2_gclk",
890
.id = 82,
891
.r = { .max = 208000000 },
892
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
893
.pp_mux_table = { 5, 8, },
894
.pp_count = 2,
895
.pp_chg_id = 4, },
896
897
{ .n = "spdifrx_gclk",
898
.id = 84,
899
.r = { .max = 150000000 },
900
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
901
.pp_mux_table = { 5, 9, },
902
.pp_count = 2,
903
.pp_chg_id = 4, },
904
905
{ .n = "spdiftx_gclk",
906
.id = 85,
907
.r = { .max = 25000000 },
908
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
909
.pp_mux_table = { 5, 9, },
910
.pp_count = 2,
911
.pp_chg_id = 4, },
912
913
{ .n = "tcb0_ch0_gclk",
914
.id = 88,
915
.r = { .max = 200000000 },
916
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
917
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
918
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
919
.pp_mux_table = { 5, 7, 8, 9, 10, },
920
.pp_count = 5,
921
.pp_chg_id = INT_MIN, },
922
923
{ .n = "tcb1_ch0_gclk",
924
.id = 91,
925
.r = { .max = 200000000 },
926
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
927
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
928
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
929
.pp_mux_table = { 5, 7, 8, 9, 10, },
930
.pp_count = 5,
931
.pp_chg_id = INT_MIN, },
932
933
{ .n = "tcpca_gclk",
934
.id = 94,
935
.r = { .max = 32768, },
936
.pp_chg_id = INT_MIN, },
937
938
{ .n = "tcpcb_gclk",
939
.id = 95,
940
.r = { .max = 32768, },
941
.pp_chg_id = INT_MIN, },
942
};
943
944
/* MCK0 characteristics. */
945
static const struct clk_master_characteristics mck0_characteristics = {
946
.output = { .min = 32768, .max = 200000000 },
947
.divisors = { 1, 2, 4, 3, 5 },
948
.have_div3_pres = 1,
949
};
950
951
/* MCK0 layout. */
952
static const struct clk_master_layout mck0_layout = {
953
.mask = 0x773,
954
.pres_shift = 4,
955
.offset = 0x28,
956
};
957
958
/* Programmable clock layout. */
959
static const struct clk_programmable_layout programmable_layout = {
960
.pres_mask = 0xff,
961
.pres_shift = 8,
962
.css_mask = 0x1f,
963
.have_slck_mck = 0,
964
.is_pres_direct = 1,
965
};
966
967
/* Peripheral clock layout. */
968
static const struct clk_pcr_layout sama7g5_pcr_layout = {
969
.offset = 0x88,
970
.cmd = BIT(31),
971
.gckcss_mask = GENMASK(12, 8),
972
.pid_mask = GENMASK(6, 0),
973
};
974
975
static void __init sama7g5_pmc_setup(struct device_node *np)
976
{
977
const char *main_xtal_name = "main_xtal";
978
struct pmc_data *sama7g5_pmc;
979
void **alloc_mem = NULL;
980
int alloc_mem_size = 0;
981
struct regmap *regmap;
982
struct clk_hw *hw, *main_rc_hw, *main_osc_hw, *main_xtal_hw;
983
struct clk_hw *td_slck_hw, *md_slck_hw;
984
static struct clk_parent_data parent_data;
985
struct clk_hw *parent_hws[10];
986
bool bypass;
987
int i, j;
988
989
td_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "td_slck"));
990
md_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "md_slck"));
991
main_xtal_hw = __clk_get_hw(of_clk_get_by_name(np, main_xtal_name));
992
993
if (!td_slck_hw || !md_slck_hw || !main_xtal_hw)
994
return;
995
996
regmap = device_node_to_regmap(np);
997
if (IS_ERR(regmap))
998
return;
999
1000
sama7g5_pmc = pmc_data_allocate(PMC_MCK1 + 1,
1001
nck(sama7g5_systemck),
1002
nck(sama7g5_periphck),
1003
nck(sama7g5_gck), 8);
1004
if (!sama7g5_pmc)
1005
return;
1006
1007
alloc_mem = kmalloc(sizeof(void *) *
1008
(ARRAY_SIZE(sama7g5_mckx) + ARRAY_SIZE(sama7g5_gck)),
1009
GFP_KERNEL);
1010
if (!alloc_mem)
1011
goto err_free;
1012
1013
main_rc_hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
1014
50000000);
1015
if (IS_ERR(main_rc_hw))
1016
goto err_free;
1017
1018
bypass = of_property_read_bool(np, "atmel,osc-bypass");
1019
1020
parent_data.name = main_xtal_name;
1021
parent_data.fw_name = main_xtal_name;
1022
main_osc_hw = at91_clk_register_main_osc(regmap, "main_osc", NULL,
1023
&parent_data, bypass);
1024
if (IS_ERR(main_osc_hw))
1025
goto err_free;
1026
1027
parent_hws[0] = main_rc_hw;
1028
parent_hws[1] = main_osc_hw;
1029
hw = at91_clk_register_sam9x5_main(regmap, "mainck", NULL, parent_hws, 2);
1030
if (IS_ERR(hw))
1031
goto err_free;
1032
1033
sama7g5_pmc->chws[PMC_MAIN] = hw;
1034
1035
for (i = 0; i < PLL_ID_MAX; i++) {
1036
for (j = 0; j < PLL_COMPID_MAX; j++) {
1037
struct clk_hw *parent_hw;
1038
1039
if (!sama7g5_plls[i][j].n)
1040
continue;
1041
1042
switch (sama7g5_plls[i][j].t) {
1043
case PLL_TYPE_FRAC:
1044
switch (sama7g5_plls[i][j].p) {
1045
case SAMA7G5_PLL_PARENT_MAINCK:
1046
parent_hw = sama7g5_pmc->chws[PMC_MAIN];
1047
break;
1048
case SAMA7G5_PLL_PARENT_MAIN_XTAL:
1049
parent_hw = main_xtal_hw;
1050
break;
1051
default:
1052
/* Should not happen. */
1053
parent_hw = NULL;
1054
break;
1055
}
1056
1057
hw = sam9x60_clk_register_frac_pll(regmap,
1058
&pmc_pll_lock, sama7g5_plls[i][j].n,
1059
NULL, parent_hw, i,
1060
sama7g5_plls[i][j].c,
1061
sama7g5_plls[i][j].l,
1062
sama7g5_plls[i][j].f);
1063
break;
1064
1065
case PLL_TYPE_DIV:
1066
hw = sam9x60_clk_register_div_pll(regmap,
1067
&pmc_pll_lock, sama7g5_plls[i][j].n,
1068
NULL, sama7g5_plls[i][0].hw, i,
1069
sama7g5_plls[i][j].c,
1070
sama7g5_plls[i][j].l,
1071
sama7g5_plls[i][j].f,
1072
sama7g5_plls[i][j].safe_div);
1073
break;
1074
1075
default:
1076
continue;
1077
}
1078
1079
if (IS_ERR(hw))
1080
goto err_free;
1081
1082
sama7g5_plls[i][j].hw = hw;
1083
if (sama7g5_plls[i][j].eid)
1084
sama7g5_pmc->chws[sama7g5_plls[i][j].eid] = hw;
1085
}
1086
}
1087
1088
hw = at91_clk_register_master_div(regmap, "mck0", NULL,
1089
sama7g5_plls[PLL_ID_CPU][1].hw,
1090
&mck0_layout, &mck0_characteristics,
1091
&pmc_mck0_lock, CLK_GET_RATE_NOCACHE, 5);
1092
if (IS_ERR(hw))
1093
goto err_free;
1094
1095
sama7g5_mckx[PCK_PARENT_HW_MCK0].hw = sama7g5_pmc->chws[PMC_MCK] = hw;
1096
1097
parent_hws[0] = md_slck_hw;
1098
parent_hws[1] = td_slck_hw;
1099
parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN];
1100
for (i = PCK_PARENT_HW_MCK1; i < ARRAY_SIZE(sama7g5_mckx); i++) {
1101
u8 num_parents = 3 + sama7g5_mckx[i].ep_count;
1102
struct clk_hw *tmp_parent_hws[8];
1103
u32 *mux_table;
1104
1105
mux_table = kmalloc_array(num_parents, sizeof(*mux_table),
1106
GFP_KERNEL);
1107
if (!mux_table)
1108
goto err_free;
1109
1110
PMC_INIT_TABLE(mux_table, 3);
1111
PMC_FILL_TABLE(&mux_table[3], sama7g5_mckx[i].ep_mux_table,
1112
sama7g5_mckx[i].ep_count);
1113
for (j = 0; j < sama7g5_mckx[i].ep_count; j++) {
1114
u8 pll_id = sama7g5_mckx[i].ep[j].pll_id;
1115
u8 pll_compid = sama7g5_mckx[i].ep[j].pll_compid;
1116
1117
tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw;
1118
}
1119
PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws,
1120
sama7g5_mckx[i].ep_count);
1121
1122
hw = at91_clk_sama7g5_register_master(regmap, sama7g5_mckx[i].n,
1123
num_parents, NULL, parent_hws, mux_table,
1124
&pmc_mckX_lock, sama7g5_mckx[i].id,
1125
sama7g5_mckx[i].c,
1126
sama7g5_mckx[i].ep_chg_id);
1127
if (IS_ERR(hw))
1128
goto err_free;
1129
1130
alloc_mem[alloc_mem_size++] = mux_table;
1131
1132
sama7g5_mckx[i].hw = hw;
1133
if (sama7g5_mckx[i].eid)
1134
sama7g5_pmc->chws[sama7g5_mckx[i].eid] = hw;
1135
}
1136
1137
hw = at91_clk_sama7g5_register_utmi(regmap, "utmick", NULL, main_xtal_hw);
1138
if (IS_ERR(hw))
1139
goto err_free;
1140
1141
sama7g5_pmc->chws[PMC_UTMI] = hw;
1142
1143
parent_hws[0] = md_slck_hw;
1144
parent_hws[1] = td_slck_hw;
1145
parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN];
1146
parent_hws[3] = sama7g5_plls[PLL_ID_SYS][PLL_COMPID_DIV0].hw;
1147
parent_hws[4] = sama7g5_plls[PLL_ID_DDR][PLL_COMPID_DIV0].hw;
1148
parent_hws[5] = sama7g5_plls[PLL_ID_IMG][PLL_COMPID_DIV0].hw;
1149
parent_hws[6] = sama7g5_plls[PLL_ID_BAUD][PLL_COMPID_DIV0].hw;
1150
parent_hws[7] = sama7g5_plls[PLL_ID_AUDIO][PLL_COMPID_DIV0].hw;
1151
parent_hws[8] = sama7g5_plls[PLL_ID_ETH][PLL_COMPID_DIV0].hw;
1152
for (i = 0; i < 8; i++) {
1153
char name[6];
1154
1155
snprintf(name, sizeof(name), "prog%d", i);
1156
1157
hw = at91_clk_register_programmable(regmap, name, NULL, parent_hws,
1158
9, i,
1159
&programmable_layout,
1160
sama7g5_prog_mux_table);
1161
if (IS_ERR(hw))
1162
goto err_free;
1163
1164
sama7g5_pmc->pchws[i] = hw;
1165
}
1166
1167
for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) {
1168
hw = at91_clk_register_system(regmap, sama7g5_systemck[i].n,
1169
NULL, sama7g5_pmc->pchws[i],
1170
sama7g5_systemck[i].id, 0);
1171
if (IS_ERR(hw))
1172
goto err_free;
1173
1174
sama7g5_pmc->shws[sama7g5_systemck[i].id] = hw;
1175
}
1176
1177
for (i = 0; i < ARRAY_SIZE(sama7g5_periphck); i++) {
1178
hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock,
1179
&sama7g5_pcr_layout,
1180
sama7g5_periphck[i].n,
1181
NULL,
1182
sama7g5_mckx[sama7g5_periphck[i].p].hw,
1183
sama7g5_periphck[i].id,
1184
&sama7g5_periphck[i].r,
1185
sama7g5_periphck[i].chgp ? 0 :
1186
INT_MIN, 0);
1187
if (IS_ERR(hw))
1188
goto err_free;
1189
1190
sama7g5_pmc->phws[sama7g5_periphck[i].id] = hw;
1191
}
1192
1193
parent_hws[0] = md_slck_hw;
1194
parent_hws[1] = td_slck_hw;
1195
parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN];
1196
for (i = 0; i < ARRAY_SIZE(sama7g5_gck); i++) {
1197
u8 num_parents = 3 + sama7g5_gck[i].pp_count;
1198
struct clk_hw *tmp_parent_hws[8];
1199
u32 *mux_table;
1200
1201
mux_table = kmalloc_array(num_parents, sizeof(*mux_table),
1202
GFP_KERNEL);
1203
if (!mux_table)
1204
goto err_free;
1205
1206
PMC_INIT_TABLE(mux_table, 3);
1207
PMC_FILL_TABLE(&mux_table[3], sama7g5_gck[i].pp_mux_table,
1208
sama7g5_gck[i].pp_count);
1209
for (j = 0; j < sama7g5_gck[i].pp_count; j++) {
1210
u8 pll_id = sama7g5_gck[i].pp[j].pll_id;
1211
u8 pll_compid = sama7g5_gck[i].pp[j].pll_compid;
1212
1213
tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw;
1214
}
1215
PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws,
1216
sama7g5_gck[i].pp_count);
1217
1218
hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
1219
&sama7g5_pcr_layout,
1220
sama7g5_gck[i].n, NULL,
1221
parent_hws, mux_table,
1222
num_parents,
1223
sama7g5_gck[i].id,
1224
&sama7g5_gck[i].r,
1225
sama7g5_gck[i].pp_chg_id);
1226
if (IS_ERR(hw))
1227
goto err_free;
1228
1229
sama7g5_pmc->ghws[sama7g5_gck[i].id] = hw;
1230
alloc_mem[alloc_mem_size++] = mux_table;
1231
}
1232
1233
of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama7g5_pmc);
1234
1235
return;
1236
1237
err_free:
1238
if (alloc_mem) {
1239
for (i = 0; i < alloc_mem_size; i++)
1240
kfree(alloc_mem[i]);
1241
kfree(alloc_mem);
1242
}
1243
1244
kfree(sama7g5_pmc);
1245
}
1246
1247
/* Some clks are used for a clocksource */
1248
CLK_OF_DECLARE(sama7g5_pmc, "microchip,sama7g5-pmc", sama7g5_pmc_setup);
1249
1250