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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/drivers/clk/actions/owl-s700.c
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Actions Semi S700 clock driver
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*
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* Copyright (c) 2014 Actions Semi Inc.
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* Author: David Liu <[email protected]>
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*
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* Author: Pathiban Nallathambi <[email protected]>
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* Author: Saravanan Sekar <[email protected]>
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*/
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#include <linux/clk-provider.h>
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#include <linux/platform_device.h>
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#include "owl-common.h"
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#include "owl-composite.h"
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#include "owl-divider.h"
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#include "owl-factor.h"
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#include "owl-fixed-factor.h"
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#include "owl-gate.h"
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#include "owl-mux.h"
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#include "owl-pll.h"
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#include "owl-reset.h"
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#include <dt-bindings/clock/actions,s700-cmu.h>
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#include <dt-bindings/reset/actions,s700-reset.h>
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#define CMU_COREPLL (0x0000)
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#define CMU_DEVPLL (0x0004)
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#define CMU_DDRPLL (0x0008)
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#define CMU_NANDPLL (0x000C)
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#define CMU_DISPLAYPLL (0x0010)
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#define CMU_AUDIOPLL (0x0014)
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#define CMU_TVOUTPLL (0x0018)
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#define CMU_BUSCLK (0x001C)
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#define CMU_SENSORCLK (0x0020)
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#define CMU_LCDCLK (0x0024)
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#define CMU_DSIPLLCLK (0x0028)
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#define CMU_CSICLK (0x002C)
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#define CMU_DECLK (0x0030)
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#define CMU_SICLK (0x0034)
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#define CMU_BUSCLK1 (0x0038)
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#define CMU_HDECLK (0x003C)
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#define CMU_VDECLK (0x0040)
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#define CMU_VCECLK (0x0044)
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#define CMU_NANDCCLK (0x004C)
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#define CMU_SD0CLK (0x0050)
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#define CMU_SD1CLK (0x0054)
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#define CMU_SD2CLK (0x0058)
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#define CMU_UART0CLK (0x005C)
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#define CMU_UART1CLK (0x0060)
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#define CMU_UART2CLK (0x0064)
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#define CMU_UART3CLK (0x0068)
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#define CMU_UART4CLK (0x006C)
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#define CMU_UART5CLK (0x0070)
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#define CMU_UART6CLK (0x0074)
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#define CMU_PWM0CLK (0x0078)
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#define CMU_PWM1CLK (0x007C)
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#define CMU_PWM2CLK (0x0080)
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#define CMU_PWM3CLK (0x0084)
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#define CMU_PWM4CLK (0x0088)
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#define CMU_PWM5CLK (0x008C)
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#define CMU_GPU3DCLK (0x0090)
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#define CMU_CORECTL (0x009C)
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#define CMU_DEVCLKEN0 (0x00A0)
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#define CMU_DEVCLKEN1 (0x00A4)
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#define CMU_DEVRST0 (0x00A8)
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#define CMU_DEVRST1 (0x00AC)
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#define CMU_USBPLL (0x00B0)
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#define CMU_ETHERNETPLL (0x00B4)
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#define CMU_CVBSPLL (0x00B8)
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#define CMU_SSTSCLK (0x00C0)
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static struct clk_pll_table clk_audio_pll_table[] = {
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{0, 45158400}, {1, 49152000},
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{ /* sentinel */ }
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};
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static struct clk_pll_table clk_cvbs_pll_table[] = {
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{27, 29 * 12000000}, {28, 30 * 12000000}, {29, 31 * 12000000},
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{30, 32 * 12000000}, {31, 33 * 12000000}, {32, 34 * 12000000},
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{33, 35 * 12000000}, {34, 36 * 12000000}, {35, 37 * 12000000},
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{36, 38 * 12000000}, {37, 39 * 12000000}, {38, 40 * 12000000},
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{39, 41 * 12000000}, {40, 42 * 12000000}, {41, 43 * 12000000},
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{42, 44 * 12000000}, {43, 45 * 12000000},
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{ /* sentinel */ }
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};
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/* pll clocks */
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static OWL_PLL_NO_PARENT(clk_core_pll, "core_pll", CMU_COREPLL, 12000000, 9, 0, 8, 4, 174, NULL, CLK_IGNORE_UNUSED);
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static OWL_PLL_NO_PARENT(clk_dev_pll, "dev_pll", CMU_DEVPLL, 6000000, 8, 0, 8, 8, 126, NULL, CLK_IGNORE_UNUSED);
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static OWL_PLL_NO_PARENT(clk_ddr_pll, "ddr_pll", CMU_DDRPLL, 6000000, 8, 0, 8, 2, 180, NULL, CLK_IGNORE_UNUSED);
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static OWL_PLL_NO_PARENT(clk_nand_pll, "nand_pll", CMU_NANDPLL, 6000000, 8, 0, 8, 2, 86, NULL, CLK_IGNORE_UNUSED);
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static OWL_PLL_NO_PARENT(clk_display_pll, "display_pll", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 2, 140, NULL, CLK_IGNORE_UNUSED);
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static OWL_PLL_NO_PARENT(clk_cvbs_pll, "cvbs_pll", CMU_CVBSPLL, 0, 8, 0, 8, 27, 43, clk_cvbs_pll_table, CLK_IGNORE_UNUSED);
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static OWL_PLL_NO_PARENT(clk_audio_pll, "audio_pll", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, clk_audio_pll_table, CLK_IGNORE_UNUSED);
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static OWL_PLL_NO_PARENT(clk_ethernet_pll, "ethernet_pll", CMU_ETHERNETPLL, 500000000, 0, 0, 0, 0, 0, NULL, CLK_IGNORE_UNUSED);
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static const char *cpu_clk_mux_p[] = {"losc", "hosc", "core_pll", "noc1_clk_div"};
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static const char *dev_clk_p[] = { "hosc", "dev_pll"};
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static const char *noc_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_pll", "cvbs_pll"};
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static const char *csi_clk_mux_p[] = { "display_pll", "dev_clk"};
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static const char *de_clk_mux_p[] = { "display_pll", "dev_clk"};
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static const char *hde_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_pll"};
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static const char *nand_clk_mux_p[] = { "nand_pll", "display_pll", "dev_clk", "ddr_pll"};
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static const char *sd_clk_mux_p[] = { "dev_clk", "nand_pll", };
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static const char *uart_clk_mux_p[] = { "hosc", "dev_pll"};
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static const char *pwm_clk_mux_p[] = { "losc", "hosc"};
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static const char *gpu_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_clk", "cvbs_pll"};
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static const char *lcd_clk_mux_p[] = { "display_pll", "dev_clk" };
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static const char *i2s_clk_mux_p[] = { "audio_pll" };
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static const char *sensor_clk_mux_p[] = { "hosc", "si"};
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/* mux clocks */
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static OWL_MUX(clk_cpu, "cpu_clk", cpu_clk_mux_p, CMU_BUSCLK, 0, 2, CLK_SET_RATE_PARENT);
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static OWL_MUX(clk_dev, "dev_clk", dev_clk_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
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static OWL_MUX(clk_noc0_clk_mux, "noc0_clk_mux", noc_clk_mux_p, CMU_BUSCLK, 4, 3, CLK_SET_RATE_PARENT);
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static OWL_MUX(clk_noc1_clk_mux, "noc1_clk_mux", noc_clk_mux_p, CMU_BUSCLK1, 4, 3, CLK_SET_RATE_PARENT);
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static OWL_MUX(clk_hp_clk_mux, "hp_clk_mux", noc_clk_mux_p, CMU_BUSCLK1, 8, 3, CLK_SET_RATE_PARENT);
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static struct clk_factor_table sd_factor_table[] = {
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/* bit0 ~ 4 */
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{0, 1, 1}, {1, 1, 2}, {2, 1, 3}, {3, 1, 4},
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{4, 1, 5}, {5, 1, 6}, {6, 1, 7}, {7, 1, 8},
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{8, 1, 9}, {9, 1, 10}, {10, 1, 11}, {11, 1, 12},
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{12, 1, 13}, {13, 1, 14}, {14, 1, 15}, {15, 1, 16},
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{16, 1, 17}, {17, 1, 18}, {18, 1, 19}, {19, 1, 20},
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{20, 1, 21}, {21, 1, 22}, {22, 1, 23}, {23, 1, 24},
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{24, 1, 25}, {25, 1, 26},
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/* bit8: /128 */
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{256, 1, 1 * 128}, {257, 1, 2 * 128}, {258, 1, 3 * 128}, {259, 1, 4 * 128},
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{260, 1, 5 * 128}, {261, 1, 6 * 128}, {262, 1, 7 * 128}, {263, 1, 8 * 128},
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{264, 1, 9 * 128}, {265, 1, 10 * 128}, {266, 1, 11 * 128}, {267, 1, 12 * 128},
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{268, 1, 13 * 128}, {269, 1, 14 * 128}, {270, 1, 15 * 128}, {271, 1, 16 * 128},
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{272, 1, 17 * 128}, {273, 1, 18 * 128}, {274, 1, 19 * 128}, {275, 1, 20 * 128},
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{276, 1, 21 * 128}, {277, 1, 22 * 128}, {278, 1, 23 * 128}, {279, 1, 24 * 128},
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{280, 1, 25 * 128}, {281, 1, 26 * 128},
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{ /* sentinel */ }
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};
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static struct clk_factor_table lcd_factor_table[] = {
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/* bit0 ~ 3 */
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{0, 1, 1}, {1, 1, 2}, {2, 1, 3}, {3, 1, 4},
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{4, 1, 5}, {5, 1, 6}, {6, 1, 7}, {7, 1, 8},
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{8, 1, 9}, {9, 1, 10}, {10, 1, 11}, {11, 1, 12},
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/* bit8: /7 */
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{256, 1, 1 * 7}, {257, 1, 2 * 7}, {258, 1, 3 * 7}, {259, 1, 4 * 7},
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{260, 1, 5 * 7}, {261, 1, 6 * 7}, {262, 1, 7 * 7}, {263, 1, 8 * 7},
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{264, 1, 9 * 7}, {265, 1, 10 * 7}, {266, 1, 11 * 7}, {267, 1, 12 * 7},
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{ /* sentinel */ }
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};
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static struct clk_div_table hdmia_div_table[] = {
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{0, 1}, {1, 2}, {2, 3}, {3, 4},
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{4, 6}, {5, 8}, {6, 12}, {7, 16},
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{8, 24},
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{ /* sentinel */ }
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};
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static struct clk_div_table rmii_div_table[] = {
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{0, 4}, {1, 10},
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{ /* sentinel */ }
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};
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/* divider clocks */
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static OWL_DIVIDER(clk_noc0, "noc0_clk", "noc0_clk_mux", CMU_BUSCLK, 16, 2, NULL, 0, 0);
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static OWL_DIVIDER(clk_noc1, "noc1_clk", "noc1_clk_mux", CMU_BUSCLK1, 16, 2, NULL, 0, 0);
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static OWL_DIVIDER(clk_noc1_clk_div, "noc1_clk_div", "noc1_clk", CMU_BUSCLK1, 20, 1, NULL, 0, 0);
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static OWL_DIVIDER(clk_hp_clk_div, "hp_clk_div", "hp_clk_mux", CMU_BUSCLK1, 12, 2, NULL, 0, 0);
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static OWL_DIVIDER(clk_ahb, "ahb_clk", "hp_clk_div", CMU_BUSCLK1, 2, 2, NULL, 0, 0);
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static OWL_DIVIDER(clk_apb, "apb_clk", "ahb_clk", CMU_BUSCLK1, 14, 2, NULL, 0, 0);
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static OWL_DIVIDER(clk_sensor0, "sensor0", "sensor_src", CMU_SENSORCLK, 0, 4, NULL, 0, 0);
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static OWL_DIVIDER(clk_sensor1, "sensor1", "sensor_src", CMU_SENSORCLK, 8, 4, NULL, 0, 0);
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static OWL_DIVIDER(clk_rmii_ref, "rmii_ref", "ethernet_pll", CMU_ETHERNETPLL, 2, 1, rmii_div_table, 0, 0);
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static struct clk_factor_table de_factor_table[] = {
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{0, 1, 1}, {1, 2, 3}, {2, 1, 2}, {3, 2, 5},
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{4, 1, 3}, {5, 1, 4}, {6, 1, 6}, {7, 1, 8},
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{8, 1, 12},
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{ /* sentinel */ }
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};
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static struct clk_factor_table hde_factor_table[] = {
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{0, 1, 1}, {1, 2, 3}, {2, 1, 2}, {3, 2, 5},
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{4, 1, 3}, {5, 1, 4}, {6, 1, 6}, {7, 1, 8},
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{ /* sentinel */ }
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};
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/* gate clocks */
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static OWL_GATE(clk_gpio, "gpio", "apb_clk", CMU_DEVCLKEN1, 25, 0, 0);
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static OWL_GATE(clk_dmac, "dmac", "hp_clk_div", CMU_DEVCLKEN0, 17, 0, 0);
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static OWL_GATE(clk_timer, "timer", "hosc", CMU_DEVCLKEN1, 22, 0, 0);
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static OWL_GATE_NO_PARENT(clk_dsi, "dsi_clk", CMU_DEVCLKEN0, 2, 0, 0);
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static OWL_GATE_NO_PARENT(clk_tvout, "tvout_clk", CMU_DEVCLKEN0, 3, 0, 0);
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static OWL_GATE_NO_PARENT(clk_hdmi_dev, "hdmi_dev", CMU_DEVCLKEN0, 5, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb3_480mpll0, "usb3_480mpll0", CMU_USBPLL, 3, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb3_480mphy0, "usb3_480mphy0", CMU_USBPLL, 2, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb3_5gphy, "usb3_5gphy", CMU_USBPLL, 1, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb3_cce, "usb3_cce", CMU_DEVCLKEN0, 25, 0, 0);
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static OWL_GATE(clk_i2c0, "i2c0", "hosc", CMU_DEVCLKEN1, 0, 0, 0);
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static OWL_GATE(clk_i2c1, "i2c1", "hosc", CMU_DEVCLKEN1, 1, 0, 0);
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static OWL_GATE(clk_i2c2, "i2c2", "hosc", CMU_DEVCLKEN1, 2, 0, 0);
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static OWL_GATE(clk_i2c3, "i2c3", "hosc", CMU_DEVCLKEN1, 3, 0, 0);
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static OWL_GATE(clk_spi0, "spi0", "ahb_clk", CMU_DEVCLKEN1, 4, 0, 0);
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static OWL_GATE(clk_spi1, "spi1", "ahb_clk", CMU_DEVCLKEN1, 5, 0, 0);
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static OWL_GATE(clk_spi2, "spi2", "ahb_clk", CMU_DEVCLKEN1, 6, 0, 0);
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static OWL_GATE(clk_spi3, "spi3", "ahb_clk", CMU_DEVCLKEN1, 7, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb2h0_pllen, "usbh0_pllen", CMU_USBPLL, 12, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb2h0_phy, "usbh0_phy", CMU_USBPLL, 10, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb2h0_cce, "usbh0_cce", CMU_DEVCLKEN0, 26, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb2h1_pllen, "usbh1_pllen", CMU_USBPLL, 13, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb2h1_phy, "usbh1_phy", CMU_USBPLL, 11, 0, 0);
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static OWL_GATE_NO_PARENT(clk_usb2h1_cce, "usbh1_cce", CMU_DEVCLKEN0, 27, 0, 0);
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static OWL_GATE_NO_PARENT(clk_irc_switch, "irc_switch", CMU_DEVCLKEN1, 15, 0, 0);
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/* composite clocks */
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static OWL_COMP_DIV(clk_csi, "csi", csi_clk_mux_p,
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OWL_MUX_HW(CMU_CSICLK, 4, 1),
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OWL_GATE_HW(CMU_DEVCLKEN0, 13, 0),
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OWL_DIVIDER_HW(CMU_CSICLK, 0, 4, 0, NULL),
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0);
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static OWL_COMP_DIV(clk_si, "si", csi_clk_mux_p,
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OWL_MUX_HW(CMU_SICLK, 4, 1),
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OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
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OWL_DIVIDER_HW(CMU_SICLK, 0, 4, 0, NULL),
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0);
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static OWL_COMP_FACTOR(clk_de, "de", de_clk_mux_p,
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OWL_MUX_HW(CMU_DECLK, 12, 1),
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OWL_GATE_HW(CMU_DEVCLKEN0, 0, 0),
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OWL_FACTOR_HW(CMU_DECLK, 0, 3, 0, de_factor_table),
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0);
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static OWL_COMP_FACTOR(clk_hde, "hde", hde_clk_mux_p,
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OWL_MUX_HW(CMU_HDECLK, 4, 2),
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OWL_GATE_HW(CMU_DEVCLKEN0, 9, 0),
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OWL_FACTOR_HW(CMU_HDECLK, 0, 3, 0, hde_factor_table),
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0);
245
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static OWL_COMP_FACTOR(clk_vde, "vde", hde_clk_mux_p,
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OWL_MUX_HW(CMU_VDECLK, 4, 2),
248
OWL_GATE_HW(CMU_DEVCLKEN0, 10, 0),
249
OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, hde_factor_table),
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0);
251
252
static OWL_COMP_FACTOR(clk_vce, "vce", hde_clk_mux_p,
253
OWL_MUX_HW(CMU_VCECLK, 4, 2),
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OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
255
OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, hde_factor_table),
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0);
257
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static OWL_COMP_DIV(clk_nand, "nand", nand_clk_mux_p,
259
OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
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OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
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OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 3, 0, NULL),
262
CLK_SET_RATE_PARENT);
263
264
static OWL_COMP_FACTOR(clk_sd0, "sd0", sd_clk_mux_p,
265
OWL_MUX_HW(CMU_SD0CLK, 9, 1),
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OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
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OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
268
0);
269
270
static OWL_COMP_FACTOR(clk_sd1, "sd1", sd_clk_mux_p,
271
OWL_MUX_HW(CMU_SD1CLK, 9, 1),
272
OWL_GATE_HW(CMU_DEVCLKEN0, 23, 0),
273
OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
274
0);
275
276
static OWL_COMP_FACTOR(clk_sd2, "sd2", sd_clk_mux_p,
277
OWL_MUX_HW(CMU_SD2CLK, 9, 1),
278
OWL_GATE_HW(CMU_DEVCLKEN0, 24, 0),
279
OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
280
0);
281
282
static OWL_COMP_DIV(clk_uart0, "uart0", uart_clk_mux_p,
283
OWL_MUX_HW(CMU_UART0CLK, 16, 1),
284
OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
285
OWL_DIVIDER_HW(CMU_UART0CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
286
0);
287
288
static OWL_COMP_DIV(clk_uart1, "uart1", uart_clk_mux_p,
289
OWL_MUX_HW(CMU_UART1CLK, 16, 1),
290
OWL_GATE_HW(CMU_DEVCLKEN1, 9, 0),
291
OWL_DIVIDER_HW(CMU_UART1CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
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0);
293
294
static OWL_COMP_DIV(clk_uart2, "uart2", uart_clk_mux_p,
295
OWL_MUX_HW(CMU_UART2CLK, 16, 1),
296
OWL_GATE_HW(CMU_DEVCLKEN1, 10, 0),
297
OWL_DIVIDER_HW(CMU_UART2CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
298
0);
299
300
static OWL_COMP_DIV(clk_uart3, "uart3", uart_clk_mux_p,
301
OWL_MUX_HW(CMU_UART3CLK, 16, 1),
302
OWL_GATE_HW(CMU_DEVCLKEN1, 11, 0),
303
OWL_DIVIDER_HW(CMU_UART3CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
304
0);
305
306
static OWL_COMP_DIV(clk_uart4, "uart4", uart_clk_mux_p,
307
OWL_MUX_HW(CMU_UART4CLK, 16, 1),
308
OWL_GATE_HW(CMU_DEVCLKEN1, 12, 0),
309
OWL_DIVIDER_HW(CMU_UART4CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
310
0);
311
312
static OWL_COMP_DIV(clk_uart5, "uart5", uart_clk_mux_p,
313
OWL_MUX_HW(CMU_UART5CLK, 16, 1),
314
OWL_GATE_HW(CMU_DEVCLKEN1, 13, 0),
315
OWL_DIVIDER_HW(CMU_UART5CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
316
0);
317
318
static OWL_COMP_DIV(clk_uart6, "uart6", uart_clk_mux_p,
319
OWL_MUX_HW(CMU_UART6CLK, 16, 1),
320
OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
321
OWL_DIVIDER_HW(CMU_UART6CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
322
0);
323
324
static OWL_COMP_DIV(clk_pwm0, "pwm0", pwm_clk_mux_p,
325
OWL_MUX_HW(CMU_PWM0CLK, 12, 1),
326
OWL_GATE_HW(CMU_DEVCLKEN1, 16, 0),
327
OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 10, 0, NULL),
328
CLK_IGNORE_UNUSED);
329
330
static OWL_COMP_DIV(clk_pwm1, "pwm1", pwm_clk_mux_p,
331
OWL_MUX_HW(CMU_PWM1CLK, 12, 1),
332
OWL_GATE_HW(CMU_DEVCLKEN1, 17, 0),
333
OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 10, 0, NULL),
334
0);
335
336
static OWL_COMP_DIV(clk_pwm2, "pwm2", pwm_clk_mux_p,
337
OWL_MUX_HW(CMU_PWM2CLK, 12, 1),
338
OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
339
OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 10, 0, NULL),
340
0);
341
342
static OWL_COMP_DIV(clk_pwm3, "pwm3", pwm_clk_mux_p,
343
OWL_MUX_HW(CMU_PWM3CLK, 12, 1),
344
OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
345
OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 10, 0, NULL),
346
0);
347
348
static OWL_COMP_DIV(clk_pwm4, "pwm4", pwm_clk_mux_p,
349
OWL_MUX_HW(CMU_PWM4CLK, 12, 1),
350
OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
351
OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 10, 0, NULL),
352
0);
353
354
static OWL_COMP_DIV(clk_pwm5, "pwm5", pwm_clk_mux_p,
355
OWL_MUX_HW(CMU_PWM5CLK, 12, 1),
356
OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
357
OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 10, 0, NULL),
358
0);
359
360
static OWL_COMP_FACTOR(clk_gpu3d, "gpu3d", gpu_clk_mux_p,
361
OWL_MUX_HW(CMU_GPU3DCLK, 4, 3),
362
OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
363
OWL_FACTOR_HW(CMU_GPU3DCLK, 0, 3, 0, hde_factor_table),
364
0);
365
366
static OWL_COMP_FACTOR(clk_lcd, "lcd", lcd_clk_mux_p,
367
OWL_MUX_HW(CMU_LCDCLK, 12, 2),
368
OWL_GATE_HW(CMU_DEVCLKEN0, 1, 0),
369
OWL_FACTOR_HW(CMU_LCDCLK, 0, 9, 0, lcd_factor_table),
370
0);
371
372
static OWL_COMP_DIV(clk_hdmi_audio, "hdmia", i2s_clk_mux_p,
373
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1), /*CMU_AUDIOPLL 24,1 unused*/
374
OWL_GATE_HW(CMU_DEVCLKEN1, 28, 0),
375
OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, hdmia_div_table),
376
0);
377
378
static OWL_COMP_DIV(clk_i2srx, "i2srx", i2s_clk_mux_p,
379
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
380
OWL_GATE_HW(CMU_DEVCLKEN1, 27, 0),
381
OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, hdmia_div_table),
382
0);
383
384
static OWL_COMP_DIV(clk_i2stx, "i2stx", i2s_clk_mux_p,
385
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
386
OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
387
OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, hdmia_div_table),
388
0);
389
390
/* for bluetooth pcm communication */
391
static OWL_COMP_FIXED_FACTOR(clk_pcm1, "pcm1", "audio_pll",
392
OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
393
1, 2, 0);
394
395
static OWL_COMP_DIV(clk_sensor_src, "sensor_src", sensor_clk_mux_p,
396
OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
397
{0},
398
OWL_DIVIDER_HW(CMU_SENSORCLK, 5, 2, 0, NULL),
399
0);
400
401
static OWL_COMP_FIXED_FACTOR(clk_ethernet, "ethernet", "ethernet_pll",
402
OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
403
1, 20, 0);
404
405
static OWL_COMP_DIV_FIXED(clk_thermal_sensor, "thermal_sensor", "hosc",
406
OWL_GATE_HW(CMU_DEVCLKEN0, 31, 0),
407
OWL_DIVIDER_HW(CMU_SSTSCLK, 20, 10, 0, NULL),
408
0);
409
410
static struct owl_clk_common *s700_clks[] = {
411
&clk_core_pll.common,
412
&clk_dev_pll.common,
413
&clk_ddr_pll.common,
414
&clk_nand_pll.common,
415
&clk_display_pll.common,
416
&clk_cvbs_pll .common,
417
&clk_audio_pll.common,
418
&clk_ethernet_pll.common,
419
&clk_cpu.common,
420
&clk_dev.common,
421
&clk_ahb.common,
422
&clk_apb.common,
423
&clk_dmac.common,
424
&clk_noc0_clk_mux.common,
425
&clk_noc1_clk_mux.common,
426
&clk_hp_clk_mux.common,
427
&clk_hp_clk_div.common,
428
&clk_noc1_clk_div.common,
429
&clk_noc0.common,
430
&clk_noc1.common,
431
&clk_sensor_src.common,
432
&clk_gpio.common,
433
&clk_timer.common,
434
&clk_dsi.common,
435
&clk_csi.common,
436
&clk_si.common,
437
&clk_de.common,
438
&clk_hde.common,
439
&clk_vde.common,
440
&clk_vce.common,
441
&clk_nand.common,
442
&clk_sd0.common,
443
&clk_sd1.common,
444
&clk_sd2.common,
445
&clk_uart0.common,
446
&clk_uart1.common,
447
&clk_uart2.common,
448
&clk_uart3.common,
449
&clk_uart4.common,
450
&clk_uart5.common,
451
&clk_uart6.common,
452
&clk_pwm0.common,
453
&clk_pwm1.common,
454
&clk_pwm2.common,
455
&clk_pwm3.common,
456
&clk_pwm4.common,
457
&clk_pwm5.common,
458
&clk_gpu3d.common,
459
&clk_i2c0.common,
460
&clk_i2c1.common,
461
&clk_i2c2.common,
462
&clk_i2c3.common,
463
&clk_spi0.common,
464
&clk_spi1.common,
465
&clk_spi2.common,
466
&clk_spi3.common,
467
&clk_usb3_480mpll0.common,
468
&clk_usb3_480mphy0.common,
469
&clk_usb3_5gphy.common,
470
&clk_usb3_cce.common,
471
&clk_lcd.common,
472
&clk_hdmi_audio.common,
473
&clk_i2srx.common,
474
&clk_i2stx.common,
475
&clk_sensor0.common,
476
&clk_sensor1.common,
477
&clk_hdmi_dev.common,
478
&clk_ethernet.common,
479
&clk_rmii_ref.common,
480
&clk_usb2h0_pllen.common,
481
&clk_usb2h0_phy.common,
482
&clk_usb2h0_cce.common,
483
&clk_usb2h1_pllen.common,
484
&clk_usb2h1_phy.common,
485
&clk_usb2h1_cce.common,
486
&clk_tvout.common,
487
&clk_thermal_sensor.common,
488
&clk_irc_switch.common,
489
&clk_pcm1.common,
490
};
491
492
static struct clk_hw_onecell_data s700_hw_clks = {
493
.hws = {
494
[CLK_CORE_PLL] = &clk_core_pll.common.hw,
495
[CLK_DEV_PLL] = &clk_dev_pll.common.hw,
496
[CLK_DDR_PLL] = &clk_ddr_pll.common.hw,
497
[CLK_NAND_PLL] = &clk_nand_pll.common.hw,
498
[CLK_DISPLAY_PLL] = &clk_display_pll.common.hw,
499
[CLK_CVBS_PLL] = &clk_cvbs_pll .common.hw,
500
[CLK_AUDIO_PLL] = &clk_audio_pll.common.hw,
501
[CLK_ETHERNET_PLL] = &clk_ethernet_pll.common.hw,
502
[CLK_CPU] = &clk_cpu.common.hw,
503
[CLK_DEV] = &clk_dev.common.hw,
504
[CLK_AHB] = &clk_ahb.common.hw,
505
[CLK_APB] = &clk_apb.common.hw,
506
[CLK_DMAC] = &clk_dmac.common.hw,
507
[CLK_NOC0_CLK_MUX] = &clk_noc0_clk_mux.common.hw,
508
[CLK_NOC1_CLK_MUX] = &clk_noc1_clk_mux.common.hw,
509
[CLK_HP_CLK_MUX] = &clk_hp_clk_mux.common.hw,
510
[CLK_HP_CLK_DIV] = &clk_hp_clk_div.common.hw,
511
[CLK_NOC1_CLK_DIV] = &clk_noc1_clk_div.common.hw,
512
[CLK_NOC0] = &clk_noc0.common.hw,
513
[CLK_NOC1] = &clk_noc1.common.hw,
514
[CLK_SENOR_SRC] = &clk_sensor_src.common.hw,
515
[CLK_GPIO] = &clk_gpio.common.hw,
516
[CLK_TIMER] = &clk_timer.common.hw,
517
[CLK_DSI] = &clk_dsi.common.hw,
518
[CLK_CSI] = &clk_csi.common.hw,
519
[CLK_SI] = &clk_si.common.hw,
520
[CLK_DE] = &clk_de.common.hw,
521
[CLK_HDE] = &clk_hde.common.hw,
522
[CLK_VDE] = &clk_vde.common.hw,
523
[CLK_VCE] = &clk_vce.common.hw,
524
[CLK_NAND] = &clk_nand.common.hw,
525
[CLK_SD0] = &clk_sd0.common.hw,
526
[CLK_SD1] = &clk_sd1.common.hw,
527
[CLK_SD2] = &clk_sd2.common.hw,
528
[CLK_UART0] = &clk_uart0.common.hw,
529
[CLK_UART1] = &clk_uart1.common.hw,
530
[CLK_UART2] = &clk_uart2.common.hw,
531
[CLK_UART3] = &clk_uart3.common.hw,
532
[CLK_UART4] = &clk_uart4.common.hw,
533
[CLK_UART5] = &clk_uart5.common.hw,
534
[CLK_UART6] = &clk_uart6.common.hw,
535
[CLK_PWM0] = &clk_pwm0.common.hw,
536
[CLK_PWM1] = &clk_pwm1.common.hw,
537
[CLK_PWM2] = &clk_pwm2.common.hw,
538
[CLK_PWM3] = &clk_pwm3.common.hw,
539
[CLK_PWM4] = &clk_pwm4.common.hw,
540
[CLK_PWM5] = &clk_pwm5.common.hw,
541
[CLK_GPU3D] = &clk_gpu3d.common.hw,
542
[CLK_I2C0] = &clk_i2c0.common.hw,
543
[CLK_I2C1] = &clk_i2c1.common.hw,
544
[CLK_I2C2] = &clk_i2c2.common.hw,
545
[CLK_I2C3] = &clk_i2c3.common.hw,
546
[CLK_SPI0] = &clk_spi0.common.hw,
547
[CLK_SPI1] = &clk_spi1.common.hw,
548
[CLK_SPI2] = &clk_spi2.common.hw,
549
[CLK_SPI3] = &clk_spi3.common.hw,
550
[CLK_USB3_480MPLL0] = &clk_usb3_480mpll0.common.hw,
551
[CLK_USB3_480MPHY0] = &clk_usb3_480mphy0.common.hw,
552
[CLK_USB3_5GPHY] = &clk_usb3_5gphy.common.hw,
553
[CLK_USB3_CCE] = &clk_usb3_cce.common.hw,
554
[CLK_LCD] = &clk_lcd.common.hw,
555
[CLK_HDMI_AUDIO] = &clk_hdmi_audio.common.hw,
556
[CLK_I2SRX] = &clk_i2srx.common.hw,
557
[CLK_I2STX] = &clk_i2stx.common.hw,
558
[CLK_SENSOR0] = &clk_sensor0.common.hw,
559
[CLK_SENSOR1] = &clk_sensor1.common.hw,
560
[CLK_HDMI_DEV] = &clk_hdmi_dev.common.hw,
561
[CLK_ETHERNET] = &clk_ethernet.common.hw,
562
[CLK_RMII_REF] = &clk_rmii_ref.common.hw,
563
[CLK_USB2H0_PLLEN] = &clk_usb2h0_pllen.common.hw,
564
[CLK_USB2H0_PHY] = &clk_usb2h0_phy.common.hw,
565
[CLK_USB2H0_CCE] = &clk_usb2h0_cce.common.hw,
566
[CLK_USB2H1_PLLEN] = &clk_usb2h1_pllen.common.hw,
567
[CLK_USB2H1_PHY] = &clk_usb2h1_phy.common.hw,
568
[CLK_USB2H1_CCE] = &clk_usb2h1_cce.common.hw,
569
[CLK_TVOUT] = &clk_tvout.common.hw,
570
[CLK_THERMAL_SENSOR] = &clk_thermal_sensor.common.hw,
571
[CLK_IRC_SWITCH] = &clk_irc_switch.common.hw,
572
[CLK_PCM1] = &clk_pcm1.common.hw,
573
},
574
.num = CLK_NR_CLKS,
575
};
576
577
static const struct owl_reset_map s700_resets[] = {
578
[RESET_DE] = { CMU_DEVRST0, BIT(0) },
579
[RESET_LCD0] = { CMU_DEVRST0, BIT(1) },
580
[RESET_DSI] = { CMU_DEVRST0, BIT(2) },
581
[RESET_CSI] = { CMU_DEVRST0, BIT(13) },
582
[RESET_SI] = { CMU_DEVRST0, BIT(14) },
583
[RESET_I2C0] = { CMU_DEVRST1, BIT(0) },
584
[RESET_I2C1] = { CMU_DEVRST1, BIT(1) },
585
[RESET_I2C2] = { CMU_DEVRST1, BIT(2) },
586
[RESET_I2C3] = { CMU_DEVRST1, BIT(3) },
587
[RESET_SPI0] = { CMU_DEVRST1, BIT(4) },
588
[RESET_SPI1] = { CMU_DEVRST1, BIT(5) },
589
[RESET_SPI2] = { CMU_DEVRST1, BIT(6) },
590
[RESET_SPI3] = { CMU_DEVRST1, BIT(7) },
591
[RESET_UART0] = { CMU_DEVRST1, BIT(8) },
592
[RESET_UART1] = { CMU_DEVRST1, BIT(9) },
593
[RESET_UART2] = { CMU_DEVRST1, BIT(10) },
594
[RESET_UART3] = { CMU_DEVRST1, BIT(11) },
595
[RESET_UART4] = { CMU_DEVRST1, BIT(12) },
596
[RESET_UART5] = { CMU_DEVRST1, BIT(13) },
597
[RESET_UART6] = { CMU_DEVRST1, BIT(14) },
598
[RESET_KEY] = { CMU_DEVRST1, BIT(24) },
599
[RESET_GPIO] = { CMU_DEVRST1, BIT(25) },
600
[RESET_AUDIO] = { CMU_DEVRST1, BIT(29) },
601
};
602
603
static struct owl_clk_desc s700_clk_desc = {
604
.clks = s700_clks,
605
.num_clks = ARRAY_SIZE(s700_clks),
606
607
.hw_clks = &s700_hw_clks,
608
609
.resets = s700_resets,
610
.num_resets = ARRAY_SIZE(s700_resets),
611
};
612
613
static int s700_clk_probe(struct platform_device *pdev)
614
{
615
struct owl_clk_desc *desc;
616
struct owl_reset *reset;
617
int ret;
618
619
desc = &s700_clk_desc;
620
owl_clk_regmap_init(pdev, desc);
621
622
/*
623
* FIXME: Reset controller registration should be moved to
624
* common code, once all SoCs of Owl family supports it.
625
*/
626
reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL);
627
if (!reset)
628
return -ENOMEM;
629
630
reset->rcdev.of_node = pdev->dev.of_node;
631
reset->rcdev.ops = &owl_reset_ops;
632
reset->rcdev.nr_resets = desc->num_resets;
633
reset->reset_map = desc->resets;
634
reset->regmap = desc->regmap;
635
636
ret = devm_reset_controller_register(&pdev->dev, &reset->rcdev);
637
if (ret)
638
dev_err(&pdev->dev, "Failed to register reset controller\n");
639
640
return owl_clk_probe(&pdev->dev, desc->hw_clks);
641
}
642
643
static const struct of_device_id s700_clk_of_match[] = {
644
{ .compatible = "actions,s700-cmu", },
645
{ /* sentinel */ }
646
};
647
648
static struct platform_driver s700_clk_driver = {
649
.probe = s700_clk_probe,
650
.driver = {
651
.name = "s700-cmu",
652
.of_match_table = s700_clk_of_match
653
},
654
};
655
656
static int __init s700_clk_init(void)
657
{
658
return platform_driver_register(&s700_clk_driver);
659
}
660
core_initcall(s700_clk_init);
661
662