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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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};
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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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};
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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, },
408
};
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/*
411
* 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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};
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/* Mux table for programmable clocks. */
430
static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 5, 6, 7, 8, 9, 10, };
431
432
/*
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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
440
*/
441
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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};
449
450
/*
451
* Peripheral clock description
452
* @n: clock name
453
* @p: clock parent hw id
454
* @r: clock range values
455
* @id: clock id
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* @chgp: index in parent array of the changeable parent
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*/
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static struct {
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const char *n;
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enum sama7g5_pck_parent_hw_id p;
461
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, },
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{ .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, },
493
{ .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, }, },
497
{ .n = "i2smcc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 58, .r = { .max = 200000000, }, },
498
{ .n = "matrix_clk", .p = PCK_PARENT_HW_MCK1, .id = 60, },
499
{ .n = "mcan0_clk", .p = PCK_PARENT_HW_MCK1, .id = 61, .r = { .max = 200000000, }, },
500
{ .n = "mcan1_clk", .p = PCK_PARENT_HW_MCK1, .id = 62, .r = { .max = 200000000, }, },
501
{ .n = "mcan2_clk", .p = PCK_PARENT_HW_MCK1, .id = 63, .r = { .max = 200000000, }, },
502
{ .n = "mcan3_clk", .p = PCK_PARENT_HW_MCK1, .id = 64, .r = { .max = 200000000, }, },
503
{ .n = "mcan4_clk", .p = PCK_PARENT_HW_MCK1, .id = 65, .r = { .max = 200000000, }, },
504
{ .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, }, },
506
{ .n = "pdmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 69, .r = { .max = 200000000, }, },
507
{ .n = "pit64b0_clk", .p = PCK_PARENT_HW_MCK1, .id = 70, },
508
{ .n = "pit64b1_clk", .p = PCK_PARENT_HW_MCK1, .id = 71, },
509
{ .n = "pit64b2_clk", .p = PCK_PARENT_HW_MCK1, .id = 72, },
510
{ .n = "pit64b3_clk", .p = PCK_PARENT_HW_MCK1, .id = 73, },
511
{ .n = "pit64b4_clk", .p = PCK_PARENT_HW_MCK1, .id = 74, },
512
{ .n = "pit64b5_clk", .p = PCK_PARENT_HW_MCK1, .id = 75, },
513
{ .n = "pwm_clk", .p = PCK_PARENT_HW_MCK1, .id = 77, },
514
{ .n = "qspi0_clk", .p = PCK_PARENT_HW_MCK1, .id = 78, },
515
{ .n = "qspi1_clk", .p = PCK_PARENT_HW_MCK1, .id = 79, },
516
{ .n = "sdmmc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 80, },
517
{ .n = "sdmmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 81, },
518
{ .n = "sdmmc2_clk", .p = PCK_PARENT_HW_MCK1, .id = 82, },
519
{ .n = "sha_clk", .p = PCK_PARENT_HW_MCK1, .id = 83, },
520
{ .n = "spdifrx_clk", .p = PCK_PARENT_HW_MCK1, .id = 84, .r = { .max = 200000000, }, },
521
{ .n = "spdiftx_clk", .p = PCK_PARENT_HW_MCK1, .id = 85, .r = { .max = 200000000, }, },
522
{ .n = "ssc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 86, .r = { .max = 200000000, }, },
523
{ .n = "ssc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 87, .r = { .max = 200000000, }, },
524
{ .n = "tcb0_ch0_clk", .p = PCK_PARENT_HW_MCK1, .id = 88, .r = { .max = 200000000, }, },
525
{ .n = "tcb0_ch1_clk", .p = PCK_PARENT_HW_MCK1, .id = 89, .r = { .max = 200000000, }, },
526
{ .n = "tcb0_ch2_clk", .p = PCK_PARENT_HW_MCK1, .id = 90, .r = { .max = 200000000, }, },
527
{ .n = "tcb1_ch0_clk", .p = PCK_PARENT_HW_MCK1, .id = 91, .r = { .max = 200000000, }, },
528
{ .n = "tcb1_ch1_clk", .p = PCK_PARENT_HW_MCK1, .id = 92, .r = { .max = 200000000, }, },
529
{ .n = "tcb1_ch2_clk", .p = PCK_PARENT_HW_MCK1, .id = 93, .r = { .max = 200000000, }, },
530
{ .n = "tcpca_clk", .p = PCK_PARENT_HW_MCK1, .id = 94, },
531
{ .n = "tcpcb_clk", .p = PCK_PARENT_HW_MCK1, .id = 95, },
532
{ .n = "tdes_clk", .p = PCK_PARENT_HW_MCK1, .id = 96, },
533
{ .n = "trng_clk", .p = PCK_PARENT_HW_MCK1, .id = 97, },
534
{ .n = "udphsa_clk", .p = PCK_PARENT_HW_MCK1, .id = 104, },
535
{ .n = "udphsb_clk", .p = PCK_PARENT_HW_MCK1, .id = 105, },
536
{ .n = "uhphs_clk", .p = PCK_PARENT_HW_MCK1, .id = 106, },
537
};
538
539
/*
540
* Generic clock description
541
* @n: clock name
542
* @pp: PLL parents (entry formed by PLL components identifiers
543
* (see enum pll_component_id))
544
* @pp_mux_table: PLL parents mux table
545
* @r: clock output range
546
* @pp_chg_id: id in parent array of changeable PLL parent
547
* @pp_count: PLL parents count
548
* @id: clock id
549
*/
550
static const struct {
551
const char *n;
552
struct {
553
int pll_id;
554
int pll_compid;
555
} pp[8];
556
const char pp_mux_table[8];
557
struct clk_range r;
558
int pp_chg_id;
559
u8 pp_count;
560
u8 id;
561
} sama7g5_gck[] = {
562
{ .n = "adc_gclk",
563
.id = 26,
564
.r = { .max = 100000000, },
565
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
566
PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
567
.pp_mux_table = { 5, 7, 9, },
568
.pp_count = 3,
569
.pp_chg_id = INT_MIN, },
570
571
{ .n = "asrc_gclk",
572
.id = 30,
573
.r = { .max = 200000000 },
574
.pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
575
.pp_mux_table = { 9, },
576
.pp_count = 1,
577
.pp_chg_id = 3, },
578
579
{ .n = "csi_gclk",
580
.id = 33,
581
.r = { .max = 27000000 },
582
.pp = { PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), },
583
.pp_mux_table = { 6, 7, },
584
.pp_count = 2,
585
.pp_chg_id = INT_MIN, },
586
587
{ .n = "flex0_gclk",
588
.id = 38,
589
.r = { .max = 200000000 },
590
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
591
.pp_mux_table = { 5, 8, },
592
.pp_count = 2,
593
.pp_chg_id = INT_MIN, },
594
595
{ .n = "flex1_gclk",
596
.id = 39,
597
.r = { .max = 200000000 },
598
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
599
.pp_mux_table = { 5, 8, },
600
.pp_count = 2,
601
.pp_chg_id = INT_MIN, },
602
603
{ .n = "flex2_gclk",
604
.id = 40,
605
.r = { .max = 200000000 },
606
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
607
.pp_mux_table = { 5, 8, },
608
.pp_count = 2,
609
.pp_chg_id = INT_MIN, },
610
611
{ .n = "flex3_gclk",
612
.id = 41,
613
.r = { .max = 200000000 },
614
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
615
.pp_mux_table = { 5, 8, },
616
.pp_count = 2,
617
.pp_chg_id = INT_MIN, },
618
619
{ .n = "flex4_gclk",
620
.id = 42,
621
.r = { .max = 200000000 },
622
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
623
.pp_mux_table = { 5, 8, },
624
.pp_count = 2,
625
.pp_chg_id = INT_MIN, },
626
627
{ .n = "flex5_gclk",
628
.id = 43,
629
.r = { .max = 200000000 },
630
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
631
.pp_mux_table = { 5, 8, },
632
.pp_count = 2,
633
.pp_chg_id = INT_MIN, },
634
635
{ .n = "flex6_gclk",
636
.id = 44,
637
.r = { .max = 200000000 },
638
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
639
.pp_mux_table = { 5, 8, },
640
.pp_count = 2,
641
.pp_chg_id = INT_MIN, },
642
643
{ .n = "flex7_gclk",
644
.id = 45,
645
.r = { .max = 200000000 },
646
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
647
.pp_mux_table = { 5, 8, },
648
.pp_count = 2,
649
.pp_chg_id = INT_MIN, },
650
651
{ .n = "flex8_gclk",
652
.id = 46,
653
.r = { .max = 200000000 },
654
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
655
.pp_mux_table = { 5, 8, },
656
.pp_count = 2,
657
.pp_chg_id = INT_MIN, },
658
659
{ .n = "flex9_gclk",
660
.id = 47,
661
.r = { .max = 200000000 },
662
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
663
.pp_mux_table = { 5, 8, },
664
.pp_count = 2,
665
.pp_chg_id = INT_MIN, },
666
667
{ .n = "flex10_gclk",
668
.id = 48,
669
.r = { .max = 200000000 },
670
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
671
.pp_mux_table = { 5, 8, },
672
.pp_count = 2,
673
.pp_chg_id = INT_MIN, },
674
675
{ .n = "flex11_gclk",
676
.id = 49,
677
.r = { .max = 200000000 },
678
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
679
.pp_mux_table = { 5, 8, },
680
.pp_count = 2,
681
.pp_chg_id = INT_MIN, },
682
683
{ .n = "gmac0_gclk",
684
.id = 51,
685
.r = { .max = 125000000 },
686
.pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
687
.pp_mux_table = { 10, },
688
.pp_count = 1,
689
.pp_chg_id = 3, },
690
691
{ .n = "gmac1_gclk",
692
.id = 52,
693
.r = { .max = 50000000 },
694
.pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
695
.pp_mux_table = { 10, },
696
.pp_count = 1,
697
.pp_chg_id = INT_MIN, },
698
699
{ .n = "gmac0_tsu_gclk",
700
.id = 53,
701
.r = { .max = 300000000 },
702
.pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
703
.pp_mux_table = { 9, 10, },
704
.pp_count = 2,
705
.pp_chg_id = INT_MIN, },
706
707
{ .n = "gmac1_tsu_gclk",
708
.id = 54,
709
.r = { .max = 300000000 },
710
.pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
711
.pp_mux_table = { 9, 10, },
712
.pp_count = 2,
713
.pp_chg_id = INT_MIN, },
714
715
{ .n = "i2smcc0_gclk",
716
.id = 57,
717
.r = { .max = 100000000 },
718
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
719
.pp_mux_table = { 5, 9, },
720
.pp_count = 2,
721
.pp_chg_id = 4, },
722
723
{ .n = "i2smcc1_gclk",
724
.id = 58,
725
.r = { .max = 100000000 },
726
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
727
.pp_mux_table = { 5, 9, },
728
.pp_count = 2,
729
.pp_chg_id = 4, },
730
731
{ .n = "mcan0_gclk",
732
.id = 61,
733
.r = { .max = 200000000 },
734
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
735
.pp_mux_table = { 5, 8, },
736
.pp_count = 2,
737
.pp_chg_id = INT_MIN, },
738
739
{ .n = "mcan1_gclk",
740
.id = 62,
741
.r = { .max = 200000000 },
742
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
743
.pp_mux_table = { 5, 8, },
744
.pp_count = 2,
745
.pp_chg_id = INT_MIN, },
746
747
{ .n = "mcan2_gclk",
748
.id = 63,
749
.r = { .max = 200000000 },
750
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
751
.pp_mux_table = { 5, 8, },
752
.pp_count = 2,
753
.pp_chg_id = INT_MIN, },
754
755
{ .n = "mcan3_gclk",
756
.id = 64,
757
.r = { .max = 200000000 },
758
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
759
.pp_mux_table = { 5, 8, },
760
.pp_count = 2,
761
.pp_chg_id = INT_MIN, },
762
763
{ .n = "mcan4_gclk",
764
.id = 65,
765
.r = { .max = 200000000 },
766
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
767
.pp_mux_table = { 5, 8, },
768
.pp_count = 2,
769
.pp_chg_id = INT_MIN, },
770
771
{ .n = "mcan5_gclk",
772
.id = 66,
773
.r = { .max = 200000000 },
774
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
775
.pp_mux_table = { 5, 8, },
776
.pp_count = 2,
777
.pp_chg_id = INT_MIN, },
778
779
{ .n = "pdmc0_gclk",
780
.id = 68,
781
.r = { .max = 50000000 },
782
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
783
.pp_mux_table = { 5, 9, },
784
.pp_count = 2,
785
.pp_chg_id = INT_MIN, },
786
787
{ .n = "pdmc1_gclk",
788
.id = 69,
789
.r = { .max = 50000000, },
790
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
791
.pp_mux_table = { 5, 9, },
792
.pp_count = 2,
793
.pp_chg_id = INT_MIN, },
794
795
{ .n = "pit64b0_gclk",
796
.id = 70,
797
.r = { .max = 200000000 },
798
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
799
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
800
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
801
.pp_mux_table = { 5, 7, 8, 9, 10, },
802
.pp_count = 5,
803
.pp_chg_id = INT_MIN, },
804
805
{ .n = "pit64b1_gclk",
806
.id = 71,
807
.r = { .max = 200000000 },
808
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
809
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
810
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
811
.pp_mux_table = { 5, 7, 8, 9, 10, },
812
.pp_count = 5,
813
.pp_chg_id = INT_MIN, },
814
815
{ .n = "pit64b2_gclk",
816
.id = 72,
817
.r = { .max = 200000000 },
818
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
819
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
820
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
821
.pp_mux_table = { 5, 7, 8, 9, 10, },
822
.pp_count = 5,
823
.pp_chg_id = INT_MIN, },
824
825
{ .n = "pit64b3_gclk",
826
.id = 73,
827
.r = { .max = 200000000 },
828
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
829
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
830
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
831
.pp_mux_table = { 5, 7, 8, 9, 10, },
832
.pp_count = 5,
833
.pp_chg_id = INT_MIN, },
834
835
{ .n = "pit64b4_gclk",
836
.id = 74,
837
.r = { .max = 200000000 },
838
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
839
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
840
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
841
.pp_mux_table = { 5, 7, 8, 9, 10, },
842
.pp_count = 5,
843
.pp_chg_id = INT_MIN, },
844
845
{ .n = "pit64b5_gclk",
846
.id = 75,
847
.r = { .max = 200000000 },
848
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
849
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
850
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
851
.pp_mux_table = { 5, 7, 8, 9, 10, },
852
.pp_count = 5,
853
.pp_chg_id = INT_MIN, },
854
855
{ .n = "qspi0_gclk",
856
.id = 78,
857
.r = { .max = 200000000 },
858
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
859
.pp_mux_table = { 5, 8, },
860
.pp_count = 2,
861
.pp_chg_id = INT_MIN, },
862
863
{ .n = "qspi1_gclk",
864
.id = 79,
865
.r = { .max = 200000000 },
866
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
867
.pp_mux_table = { 5, 8, },
868
.pp_count = 2,
869
.pp_chg_id = INT_MIN, },
870
871
{ .n = "sdmmc0_gclk",
872
.id = 80,
873
.r = { .max = 208000000 },
874
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
875
.pp_mux_table = { 5, 8, },
876
.pp_count = 2,
877
.pp_chg_id = 4, },
878
879
{ .n = "sdmmc1_gclk",
880
.id = 81,
881
.r = { .max = 208000000 },
882
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
883
.pp_mux_table = { 5, 8, },
884
.pp_count = 2,
885
.pp_chg_id = 4, },
886
887
{ .n = "sdmmc2_gclk",
888
.id = 82,
889
.r = { .max = 208000000 },
890
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), },
891
.pp_mux_table = { 5, 8, },
892
.pp_count = 2,
893
.pp_chg_id = 4, },
894
895
{ .n = "spdifrx_gclk",
896
.id = 84,
897
.r = { .max = 150000000 },
898
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
899
.pp_mux_table = { 5, 9, },
900
.pp_count = 2,
901
.pp_chg_id = 4, },
902
903
{ .n = "spdiftx_gclk",
904
.id = 85,
905
.r = { .max = 25000000 },
906
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), },
907
.pp_mux_table = { 5, 9, },
908
.pp_count = 2,
909
.pp_chg_id = 4, },
910
911
{ .n = "tcb0_ch0_gclk",
912
.id = 88,
913
.r = { .max = 200000000 },
914
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
915
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
916
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
917
.pp_mux_table = { 5, 7, 8, 9, 10, },
918
.pp_count = 5,
919
.pp_chg_id = INT_MIN, },
920
921
{ .n = "tcb1_ch0_gclk",
922
.id = 91,
923
.r = { .max = 200000000 },
924
.pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0),
925
PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0),
926
PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), },
927
.pp_mux_table = { 5, 7, 8, 9, 10, },
928
.pp_count = 5,
929
.pp_chg_id = INT_MIN, },
930
931
{ .n = "tcpca_gclk",
932
.id = 94,
933
.r = { .max = 32768, },
934
.pp_chg_id = INT_MIN, },
935
936
{ .n = "tcpcb_gclk",
937
.id = 95,
938
.r = { .max = 32768, },
939
.pp_chg_id = INT_MIN, },
940
};
941
942
/* MCK0 characteristics. */
943
static const struct clk_master_characteristics mck0_characteristics = {
944
.output = { .min = 32768, .max = 200000000 },
945
.divisors = { 1, 2, 4, 3, 5 },
946
.have_div3_pres = 1,
947
};
948
949
/* MCK0 layout. */
950
static const struct clk_master_layout mck0_layout = {
951
.mask = 0x773,
952
.pres_shift = 4,
953
.offset = 0x28,
954
};
955
956
/* Programmable clock layout. */
957
static const struct clk_programmable_layout programmable_layout = {
958
.pres_mask = 0xff,
959
.pres_shift = 8,
960
.css_mask = 0x1f,
961
.have_slck_mck = 0,
962
.is_pres_direct = 1,
963
};
964
965
/* Peripheral clock layout. */
966
static const struct clk_pcr_layout sama7g5_pcr_layout = {
967
.offset = 0x88,
968
.cmd = BIT(31),
969
.gckcss_mask = GENMASK(12, 8),
970
.pid_mask = GENMASK(6, 0),
971
};
972
973
static void __init sama7g5_pmc_setup(struct device_node *np)
974
{
975
const char *main_xtal_name = "main_xtal";
976
struct pmc_data *sama7g5_pmc;
977
void **alloc_mem = NULL;
978
int alloc_mem_size = 0;
979
struct regmap *regmap;
980
struct clk_hw *hw, *main_rc_hw, *main_osc_hw, *main_xtal_hw;
981
struct clk_hw *td_slck_hw, *md_slck_hw;
982
static struct clk_parent_data parent_data;
983
struct clk_hw *parent_hws[10];
984
bool bypass;
985
int i, j;
986
987
td_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "td_slck"));
988
md_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "md_slck"));
989
main_xtal_hw = __clk_get_hw(of_clk_get_by_name(np, main_xtal_name));
990
991
if (!td_slck_hw || !md_slck_hw || !main_xtal_hw)
992
return;
993
994
regmap = device_node_to_regmap(np);
995
if (IS_ERR(regmap))
996
return;
997
998
sama7g5_pmc = pmc_data_allocate(PMC_MCK1 + 1,
999
nck(sama7g5_systemck),
1000
nck(sama7g5_periphck),
1001
nck(sama7g5_gck), 8);
1002
if (!sama7g5_pmc)
1003
return;
1004
1005
alloc_mem = kmalloc(sizeof(void *) *
1006
(ARRAY_SIZE(sama7g5_mckx) + ARRAY_SIZE(sama7g5_gck)),
1007
GFP_KERNEL);
1008
if (!alloc_mem)
1009
goto err_free;
1010
1011
main_rc_hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
1012
50000000);
1013
if (IS_ERR(main_rc_hw))
1014
goto err_free;
1015
1016
bypass = of_property_read_bool(np, "atmel,osc-bypass");
1017
1018
parent_data.name = main_xtal_name;
1019
parent_data.fw_name = main_xtal_name;
1020
main_osc_hw = at91_clk_register_main_osc(regmap, "main_osc", NULL,
1021
&parent_data, bypass);
1022
if (IS_ERR(main_osc_hw))
1023
goto err_free;
1024
1025
parent_hws[0] = main_rc_hw;
1026
parent_hws[1] = main_osc_hw;
1027
hw = at91_clk_register_sam9x5_main(regmap, "mainck", NULL, parent_hws, 2);
1028
if (IS_ERR(hw))
1029
goto err_free;
1030
1031
sama7g5_pmc->chws[PMC_MAIN] = hw;
1032
1033
for (i = 0; i < PLL_ID_MAX; i++) {
1034
for (j = 0; j < PLL_COMPID_MAX; j++) {
1035
struct clk_hw *parent_hw;
1036
1037
if (!sama7g5_plls[i][j].n)
1038
continue;
1039
1040
switch (sama7g5_plls[i][j].t) {
1041
case PLL_TYPE_FRAC:
1042
switch (sama7g5_plls[i][j].p) {
1043
case SAMA7G5_PLL_PARENT_MAINCK:
1044
parent_hw = sama7g5_pmc->chws[PMC_MAIN];
1045
break;
1046
case SAMA7G5_PLL_PARENT_MAIN_XTAL:
1047
parent_hw = main_xtal_hw;
1048
break;
1049
default:
1050
/* Should not happen. */
1051
parent_hw = NULL;
1052
break;
1053
}
1054
1055
hw = sam9x60_clk_register_frac_pll(regmap,
1056
&pmc_pll_lock, sama7g5_plls[i][j].n,
1057
NULL, parent_hw, i,
1058
sama7g5_plls[i][j].c,
1059
sama7g5_plls[i][j].l,
1060
sama7g5_plls[i][j].f);
1061
break;
1062
1063
case PLL_TYPE_DIV:
1064
hw = sam9x60_clk_register_div_pll(regmap,
1065
&pmc_pll_lock, sama7g5_plls[i][j].n,
1066
NULL, sama7g5_plls[i][0].hw, i,
1067
sama7g5_plls[i][j].c,
1068
sama7g5_plls[i][j].l,
1069
sama7g5_plls[i][j].f,
1070
sama7g5_plls[i][j].safe_div);
1071
break;
1072
1073
default:
1074
continue;
1075
}
1076
1077
if (IS_ERR(hw))
1078
goto err_free;
1079
1080
sama7g5_plls[i][j].hw = hw;
1081
if (sama7g5_plls[i][j].eid)
1082
sama7g5_pmc->chws[sama7g5_plls[i][j].eid] = hw;
1083
}
1084
}
1085
1086
hw = at91_clk_register_master_div(regmap, "mck0", NULL,
1087
sama7g5_plls[PLL_ID_CPU][1].hw,
1088
&mck0_layout, &mck0_characteristics,
1089
&pmc_mck0_lock, CLK_GET_RATE_NOCACHE, 5);
1090
if (IS_ERR(hw))
1091
goto err_free;
1092
1093
sama7g5_mckx[PCK_PARENT_HW_MCK0].hw = sama7g5_pmc->chws[PMC_MCK] = hw;
1094
1095
parent_hws[0] = md_slck_hw;
1096
parent_hws[1] = td_slck_hw;
1097
parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN];
1098
for (i = PCK_PARENT_HW_MCK1; i < ARRAY_SIZE(sama7g5_mckx); i++) {
1099
u8 num_parents = 3 + sama7g5_mckx[i].ep_count;
1100
struct clk_hw *tmp_parent_hws[8];
1101
u32 *mux_table;
1102
1103
mux_table = kmalloc_array(num_parents, sizeof(*mux_table),
1104
GFP_KERNEL);
1105
if (!mux_table)
1106
goto err_free;
1107
1108
PMC_INIT_TABLE(mux_table, 3);
1109
PMC_FILL_TABLE(&mux_table[3], sama7g5_mckx[i].ep_mux_table,
1110
sama7g5_mckx[i].ep_count);
1111
for (j = 0; j < sama7g5_mckx[i].ep_count; j++) {
1112
u8 pll_id = sama7g5_mckx[i].ep[j].pll_id;
1113
u8 pll_compid = sama7g5_mckx[i].ep[j].pll_compid;
1114
1115
tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw;
1116
}
1117
PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws,
1118
sama7g5_mckx[i].ep_count);
1119
1120
hw = at91_clk_sama7g5_register_master(regmap, sama7g5_mckx[i].n,
1121
num_parents, NULL, parent_hws, mux_table,
1122
&pmc_mckX_lock, sama7g5_mckx[i].id,
1123
sama7g5_mckx[i].c,
1124
sama7g5_mckx[i].ep_chg_id);
1125
if (IS_ERR(hw))
1126
goto err_free;
1127
1128
alloc_mem[alloc_mem_size++] = mux_table;
1129
1130
sama7g5_mckx[i].hw = hw;
1131
if (sama7g5_mckx[i].eid)
1132
sama7g5_pmc->chws[sama7g5_mckx[i].eid] = hw;
1133
}
1134
1135
hw = at91_clk_sama7g5_register_utmi(regmap, "utmick", NULL, main_xtal_hw);
1136
if (IS_ERR(hw))
1137
goto err_free;
1138
1139
sama7g5_pmc->chws[PMC_UTMI] = hw;
1140
1141
parent_hws[0] = md_slck_hw;
1142
parent_hws[1] = td_slck_hw;
1143
parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN];
1144
parent_hws[3] = sama7g5_plls[PLL_ID_SYS][PLL_COMPID_DIV0].hw;
1145
parent_hws[4] = sama7g5_plls[PLL_ID_DDR][PLL_COMPID_DIV0].hw;
1146
parent_hws[5] = sama7g5_plls[PLL_ID_IMG][PLL_COMPID_DIV0].hw;
1147
parent_hws[6] = sama7g5_plls[PLL_ID_BAUD][PLL_COMPID_DIV0].hw;
1148
parent_hws[7] = sama7g5_plls[PLL_ID_AUDIO][PLL_COMPID_DIV0].hw;
1149
parent_hws[8] = sama7g5_plls[PLL_ID_ETH][PLL_COMPID_DIV0].hw;
1150
for (i = 0; i < 8; i++) {
1151
char name[6];
1152
1153
snprintf(name, sizeof(name), "prog%d", i);
1154
1155
hw = at91_clk_register_programmable(regmap, name, NULL, parent_hws,
1156
9, i,
1157
&programmable_layout,
1158
sama7g5_prog_mux_table);
1159
if (IS_ERR(hw))
1160
goto err_free;
1161
1162
sama7g5_pmc->pchws[i] = hw;
1163
}
1164
1165
for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) {
1166
hw = at91_clk_register_system(regmap, sama7g5_systemck[i].n,
1167
NULL, sama7g5_pmc->pchws[i],
1168
sama7g5_systemck[i].id, 0);
1169
if (IS_ERR(hw))
1170
goto err_free;
1171
1172
sama7g5_pmc->shws[sama7g5_systemck[i].id] = hw;
1173
}
1174
1175
for (i = 0; i < ARRAY_SIZE(sama7g5_periphck); i++) {
1176
hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock,
1177
&sama7g5_pcr_layout,
1178
sama7g5_periphck[i].n,
1179
NULL,
1180
sama7g5_mckx[sama7g5_periphck[i].p].hw,
1181
sama7g5_periphck[i].id,
1182
&sama7g5_periphck[i].r,
1183
sama7g5_periphck[i].chgp ? 0 :
1184
INT_MIN, 0);
1185
if (IS_ERR(hw))
1186
goto err_free;
1187
1188
sama7g5_pmc->phws[sama7g5_periphck[i].id] = hw;
1189
}
1190
1191
parent_hws[0] = md_slck_hw;
1192
parent_hws[1] = td_slck_hw;
1193
parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN];
1194
for (i = 0; i < ARRAY_SIZE(sama7g5_gck); i++) {
1195
u8 num_parents = 3 + sama7g5_gck[i].pp_count;
1196
struct clk_hw *tmp_parent_hws[8];
1197
u32 *mux_table;
1198
1199
mux_table = kmalloc_array(num_parents, sizeof(*mux_table),
1200
GFP_KERNEL);
1201
if (!mux_table)
1202
goto err_free;
1203
1204
PMC_INIT_TABLE(mux_table, 3);
1205
PMC_FILL_TABLE(&mux_table[3], sama7g5_gck[i].pp_mux_table,
1206
sama7g5_gck[i].pp_count);
1207
for (j = 0; j < sama7g5_gck[i].pp_count; j++) {
1208
u8 pll_id = sama7g5_gck[i].pp[j].pll_id;
1209
u8 pll_compid = sama7g5_gck[i].pp[j].pll_compid;
1210
1211
tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw;
1212
}
1213
PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws,
1214
sama7g5_gck[i].pp_count);
1215
1216
hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
1217
&sama7g5_pcr_layout,
1218
sama7g5_gck[i].n, NULL,
1219
parent_hws, mux_table,
1220
num_parents,
1221
sama7g5_gck[i].id,
1222
&sama7g5_gck[i].r,
1223
sama7g5_gck[i].pp_chg_id);
1224
if (IS_ERR(hw))
1225
goto err_free;
1226
1227
sama7g5_pmc->ghws[sama7g5_gck[i].id] = hw;
1228
alloc_mem[alloc_mem_size++] = mux_table;
1229
}
1230
1231
of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama7g5_pmc);
1232
1233
return;
1234
1235
err_free:
1236
if (alloc_mem) {
1237
for (i = 0; i < alloc_mem_size; i++)
1238
kfree(alloc_mem[i]);
1239
kfree(alloc_mem);
1240
}
1241
1242
kfree(sama7g5_pmc);
1243
}
1244
1245
/* Some clks are used for a clocksource */
1246
CLK_OF_DECLARE(sama7g5_pmc, "microchip,sama7g5-pmc", sama7g5_pmc_setup);
1247
1248