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linux/drivers/clk/actions/owl-s500.c
Jonathan Neuschäfer 1fdfd517ce clk: actions: Make sentinel elements more obvious 
The sentinel elements of various tables in drivers/clk/actions can be a
bit hard to recognize. Make them easier to see by changing the style
from { 0, 0 } to { /* sentinel */ }.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220218000922.134857-6-j.neuschaefer@gmx.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-03-11 18:13:24 -08:00

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// SPDX-License-Identifier: GPL-2.0+
/*
* Actions Semi Owl S500 SoC clock driver
*
* Copyright (c) 2014 Actions Semi Inc.
* Author: David Liu <liuwei@actions-semi.com>
*
* Copyright (c) 2018 Linaro Ltd.
* Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
*
* Copyright (c) 2018 LSI-TEC - Caninos Loucos
* Author: Edgar Bernardi Righi <edgar.righi@lsitec.org.br>
*/
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include "owl-common.h"
#include "owl-composite.h"
#include "owl-divider.h"
#include "owl-factor.h"
#include "owl-fixed-factor.h"
#include "owl-gate.h"
#include "owl-mux.h"
#include "owl-pll.h"
#include "owl-reset.h"
#include <dt-bindings/clock/actions,s500-cmu.h>
#include <dt-bindings/reset/actions,s500-reset.h>
#define CMU_COREPLL (0x0000)
#define CMU_DEVPLL (0x0004)
#define CMU_DDRPLL (0x0008)
#define CMU_NANDPLL (0x000C)
#define CMU_DISPLAYPLL (0x0010)
#define CMU_AUDIOPLL (0x0014)
#define CMU_TVOUTPLL (0x0018)
#define CMU_BUSCLK (0x001C)
#define CMU_SENSORCLK (0x0020)
#define CMU_LCDCLK (0x0024)
#define CMU_DSICLK (0x0028)
#define CMU_CSICLK (0x002C)
#define CMU_DECLK (0x0030)
#define CMU_BISPCLK (0x0034)
#define CMU_BUSCLK1 (0x0038)
#define CMU_VDECLK (0x0040)
#define CMU_VCECLK (0x0044)
#define CMU_NANDCCLK (0x004C)
#define CMU_SD0CLK (0x0050)
#define CMU_SD1CLK (0x0054)
#define CMU_SD2CLK (0x0058)
#define CMU_UART0CLK (0x005C)
#define CMU_UART1CLK (0x0060)
#define CMU_UART2CLK (0x0064)
#define CMU_PWM4CLK (0x0068)
#define CMU_PWM5CLK (0x006C)
#define CMU_PWM0CLK (0x0070)
#define CMU_PWM1CLK (0x0074)
#define CMU_PWM2CLK (0x0078)
#define CMU_PWM3CLK (0x007C)
#define CMU_USBPLL (0x0080)
#define CMU_ETHERNETPLL (0x0084)
#define CMU_CVBSPLL (0x0088)
#define CMU_LENSCLK (0x008C)
#define CMU_GPU3DCLK (0x0090)
#define CMU_CORECTL (0x009C)
#define CMU_DEVCLKEN0 (0x00A0)
#define CMU_DEVCLKEN1 (0x00A4)
#define CMU_DEVRST0 (0x00A8)
#define CMU_DEVRST1 (0x00AC)
#define CMU_UART3CLK (0x00B0)
#define CMU_UART4CLK (0x00B4)
#define CMU_UART5CLK (0x00B8)
#define CMU_UART6CLK (0x00BC)
#define CMU_SSCLK (0x00C0)
#define CMU_DIGITALDEBUG (0x00D0)
#define CMU_ANALOGDEBUG (0x00D4)
#define CMU_COREPLLDEBUG (0x00D8)
#define CMU_DEVPLLDEBUG (0x00DC)
#define CMU_DDRPLLDEBUG (0x00E0)
#define CMU_NANDPLLDEBUG (0x00E4)
#define CMU_DISPLAYPLLDEBUG (0x00E8)
#define CMU_TVOUTPLLDEBUG (0x00EC)
#define CMU_DEEPCOLORPLLDEBUG (0x00F4)
#define CMU_AUDIOPLL_ETHPLLDEBUG (0x00F8)
#define CMU_CVBSPLLDEBUG (0x00FC)
#define OWL_S500_COREPLL_DELAY (150)
#define OWL_S500_DDRPLL_DELAY (63)
#define OWL_S500_DEVPLL_DELAY (28)
#define OWL_S500_NANDPLL_DELAY (44)
#define OWL_S500_DISPLAYPLL_DELAY (57)
#define OWL_S500_ETHERNETPLL_DELAY (25)
#define OWL_S500_AUDIOPLL_DELAY (100)
static const struct clk_pll_table clk_audio_pll_table[] = {
{ 0, 45158400 }, { 1, 49152000 },
{ /* sentinel */ }
};
/* pll clocks */
static OWL_PLL_NO_PARENT_DELAY(ethernet_pll_clk, "ethernet_pll_clk", CMU_ETHERNETPLL, 500000000, 0, 0, 0, 0, 0, OWL_S500_ETHERNETPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT_DELAY(core_pll_clk, "core_pll_clk", CMU_COREPLL, 12000000, 9, 0, 8, 4, 134, OWL_S500_COREPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT_DELAY(ddr_pll_clk, "ddr_pll_clk", CMU_DDRPLL, 12000000, 8, 0, 8, 1, 67, OWL_S500_DDRPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT_DELAY(nand_pll_clk, "nand_pll_clk", CMU_NANDPLL, 6000000, 8, 0, 7, 2, 86, OWL_S500_NANDPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT_DELAY(display_pll_clk, "display_pll_clk", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 2, 126, OWL_S500_DISPLAYPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT_DELAY(dev_pll_clk, "dev_pll_clk", CMU_DEVPLL, 6000000, 8, 0, 7, 8, 126, OWL_S500_DEVPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT_DELAY(audio_pll_clk, "audio_pll_clk", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, OWL_S500_AUDIOPLL_DELAY, clk_audio_pll_table, CLK_IGNORE_UNUSED);
static const char * const dev_clk_mux_p[] = { "hosc", "dev_pll_clk" };
static const char * const bisp_clk_mux_p[] = { "display_pll_clk", "dev_clk" };
static const char * const sensor_clk_mux_p[] = { "hosc", "bisp_clk" };
static const char * const sd_clk_mux_p[] = { "dev_clk", "nand_pll_clk" };
static const char * const pwm_clk_mux_p[] = { "losc", "hosc" };
static const char * const ahbprediv_clk_mux_p[] = { "dev_clk", "display_pll_clk", "nand_pll_clk", "ddr_pll_clk" };
static const char * const nic_clk_mux_p[] = { "dev_clk", "display_pll_clk", "nand_pll_clk", "ddr_pll_clk" };
static const char * const uart_clk_mux_p[] = { "hosc", "dev_pll_clk" };
static const char * const de_clk_mux_p[] = { "display_pll_clk", "dev_clk" };
static const char * const i2s_clk_mux_p[] = { "audio_pll_clk" };
static const char * const hde_clk_mux_p[] = { "dev_clk", "display_pll_clk", "nand_pll_clk", "ddr_pll_clk" };
static const char * const nand_clk_mux_p[] = { "nand_pll_clk", "display_pll_clk", "dev_clk", "ddr_pll_clk" };
static struct clk_factor_table sd_factor_table[] = {
/* bit0 ~ 4 */
{ 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
{ 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
{ 8, 1, 9 }, { 9, 1, 10 }, { 10, 1, 11 }, { 11, 1, 12 },
{ 12, 1, 13 }, { 13, 1, 14 }, { 14, 1, 15 }, { 15, 1, 16 },
{ 16, 1, 17 }, { 17, 1, 18 }, { 18, 1, 19 }, { 19, 1, 20 },
{ 20, 1, 21 }, { 21, 1, 22 }, { 22, 1, 23 }, { 23, 1, 24 },
{ 24, 1, 25 },
/* bit8: /128 */
{ 256, 1, 1 * 128 }, { 257, 1, 2 * 128 }, { 258, 1, 3 * 128 }, { 259, 1, 4 * 128 },
{ 260, 1, 5 * 128 }, { 261, 1, 6 * 128 }, { 262, 1, 7 * 128 }, { 263, 1, 8 * 128 },
{ 264, 1, 9 * 128 }, { 265, 1, 10 * 128 }, { 266, 1, 11 * 128 }, { 267, 1, 12 * 128 },
{ 268, 1, 13 * 128 }, { 269, 1, 14 * 128 }, { 270, 1, 15 * 128 }, { 271, 1, 16 * 128 },
{ 272, 1, 17 * 128 }, { 273, 1, 18 * 128 }, { 274, 1, 19 * 128 }, { 275, 1, 20 * 128 },
{ 276, 1, 21 * 128 }, { 277, 1, 22 * 128 }, { 278, 1, 23 * 128 }, { 279, 1, 24 * 128 },
{ 280, 1, 25 * 128 },
{ /* sentinel */ }
};
static struct clk_factor_table de_factor_table[] = {
{ 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 2, 5 },
{ 4, 1, 3 }, { 5, 1, 4 }, { 6, 1, 6 }, { 7, 1, 8 },
{ 8, 1, 12 },
{ /* sentinel */ }
};
static struct clk_factor_table hde_factor_table[] = {
{ 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 2, 5 },
{ 4, 1, 3 }, { 5, 1, 4 }, { 6, 1, 6 }, { 7, 1, 8 },
{ /* sentinel */ }
};
static struct clk_div_table rmii_ref_div_table[] = {
{ 0, 4 }, { 1, 10 },
{ /* sentinel */ }
};
static struct clk_div_table std12rate_div_table[] = {
{ 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
{ 4, 5 }, { 5, 6 }, { 6, 7 }, { 7, 8 },
{ 8, 9 }, { 9, 10 }, { 10, 11 }, { 11, 12 },
{ /* sentinel */ }
};
static struct clk_div_table i2s_div_table[] = {
{ 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
{ 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
{ 8, 24 },
{ /* sentinel */ }
};
static struct clk_div_table nand_div_table[] = {
{ 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 6 },
{ 4, 8 }, { 5, 10 }, { 6, 12 }, { 7, 14 },
{ 8, 16 }, { 9, 18 }, { 10, 20 }, { 11, 22 },
{ /* sentinel */ }
};
/* mux clock */
static OWL_MUX(dev_clk, "dev_clk", dev_clk_mux_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
/* gate clocks */
static OWL_GATE(gpio_clk, "gpio_clk", "apb_clk", CMU_DEVCLKEN0, 18, 0, 0);
static OWL_GATE(dmac_clk, "dmac_clk", "h_clk", CMU_DEVCLKEN0, 1, 0, 0);
static OWL_GATE(spi0_clk, "spi0_clk", "ahb_clk", CMU_DEVCLKEN1, 10, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(spi1_clk, "spi1_clk", "ahb_clk", CMU_DEVCLKEN1, 11, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(spi2_clk, "spi2_clk", "ahb_clk", CMU_DEVCLKEN1, 12, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(spi3_clk, "spi3_clk", "ahb_clk", CMU_DEVCLKEN1, 13, 0, CLK_IGNORE_UNUSED);
static OWL_GATE(timer_clk, "timer_clk", "hosc", CMU_DEVCLKEN1, 27, 0, 0);
static OWL_GATE(hdmi_clk, "hdmi_clk", "hosc", CMU_DEVCLKEN1, 3, 0, 0);
/* divider clocks */
static OWL_DIVIDER(h_clk, "h_clk", "ahbprediv_clk", CMU_BUSCLK1, 2, 2, NULL, 0, 0);
static OWL_DIVIDER(apb_clk, "apb_clk", "nic_clk", CMU_BUSCLK1, 14, 2, NULL, 0, 0);
static OWL_DIVIDER(rmii_ref_clk, "rmii_ref_clk", "ethernet_pll_clk", CMU_ETHERNETPLL, 1, 1, rmii_ref_div_table, 0, 0);
/* factor clocks */
static OWL_FACTOR(de1_clk, "de_clk1", "de_clk", CMU_DECLK, 0, 4, de_factor_table, 0, 0);
static OWL_FACTOR(de2_clk, "de_clk2", "de_clk", CMU_DECLK, 4, 4, de_factor_table, 0, 0);
/* composite clocks */
static OWL_COMP_DIV(nic_clk, "nic_clk", nic_clk_mux_p,
OWL_MUX_HW(CMU_BUSCLK1, 4, 3),
{ 0 },
OWL_DIVIDER_HW(CMU_BUSCLK1, 16, 2, 0, NULL),
0);
static OWL_COMP_DIV(ahbprediv_clk, "ahbprediv_clk", ahbprediv_clk_mux_p,
OWL_MUX_HW(CMU_BUSCLK1, 8, 3),
{ 0 },
OWL_DIVIDER_HW(CMU_BUSCLK1, 12, 2, 0, NULL),
CLK_SET_RATE_PARENT);
static OWL_COMP_FIXED_FACTOR(ahb_clk, "ahb_clk", "h_clk",
{ 0 },
1, 1, 0);
static OWL_COMP_FACTOR(vce_clk, "vce_clk", hde_clk_mux_p,
OWL_MUX_HW(CMU_VCECLK, 4, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 26, 0),
OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, hde_factor_table),
0);
static OWL_COMP_FACTOR(vde_clk, "vde_clk", hde_clk_mux_p,
OWL_MUX_HW(CMU_VDECLK, 4, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 25, 0),
OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, hde_factor_table),
0);
static OWL_COMP_DIV(bisp_clk, "bisp_clk", bisp_clk_mux_p,
OWL_MUX_HW(CMU_BISPCLK, 4, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
OWL_DIVIDER_HW(CMU_BISPCLK, 0, 4, 0, std12rate_div_table),
0);
static OWL_COMP_DIV(sensor0_clk, "sensor0_clk", sensor_clk_mux_p,
OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
OWL_DIVIDER_HW(CMU_SENSORCLK, 0, 4, 0, std12rate_div_table),
0);
static OWL_COMP_DIV(sensor1_clk, "sensor1_clk", sensor_clk_mux_p,
OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
OWL_DIVIDER_HW(CMU_SENSORCLK, 8, 4, 0, std12rate_div_table),
0);
static OWL_COMP_FACTOR(sd0_clk, "sd0_clk", sd_clk_mux_p,
OWL_MUX_HW(CMU_SD0CLK, 9, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 5, 0),
OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
0);
static OWL_COMP_FACTOR(sd1_clk, "sd1_clk", sd_clk_mux_p,
OWL_MUX_HW(CMU_SD1CLK, 9, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 6, 0),
OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
0);
static OWL_COMP_FACTOR(sd2_clk, "sd2_clk", sd_clk_mux_p,
OWL_MUX_HW(CMU_SD2CLK, 9, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 7, 0),
OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
0);
static OWL_COMP_DIV(pwm0_clk, "pwm0_clk", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM0CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(pwm1_clk, "pwm1_clk", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM1CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 24, 0),
OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(pwm2_clk, "pwm2_clk", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM2CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 25, 0),
OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(pwm3_clk, "pwm3_clk", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM3CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(pwm4_clk, "pwm4_clk", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM4CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(pwm5_clk, "pwm5_clk", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM5CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 0, 0),
OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_PASS(de_clk, "de_clk", de_clk_mux_p,
OWL_MUX_HW(CMU_DECLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
0);
static OWL_COMP_FIXED_FACTOR(i2c0_clk, "i2c0_clk", "ethernet_pll_clk",
OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
1, 5, 0);
static OWL_COMP_FIXED_FACTOR(i2c1_clk, "i2c1_clk", "ethernet_pll_clk",
OWL_GATE_HW(CMU_DEVCLKEN1, 15, 0),
1, 5, 0);
static OWL_COMP_FIXED_FACTOR(i2c2_clk, "i2c2_clk", "ethernet_pll_clk",
OWL_GATE_HW(CMU_DEVCLKEN1, 30, 0),
1, 5, 0);
static OWL_COMP_FIXED_FACTOR(i2c3_clk, "i2c3_clk", "ethernet_pll_clk",
OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
1, 5, 0);
static OWL_COMP_FIXED_FACTOR(ethernet_clk, "ethernet_clk", "ethernet_pll_clk",
OWL_GATE_HW(CMU_DEVCLKEN1, 22, 0),
1, 20, 0);
static OWL_COMP_DIV(uart0_clk, "uart0_clk", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART0CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 6, 0),
OWL_DIVIDER_HW(CMU_UART0CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(uart1_clk, "uart1_clk", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART1CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 7, 0),
OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(uart2_clk, "uart2_clk", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART2CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
OWL_DIVIDER_HW(CMU_UART2CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(uart3_clk, "uart3_clk", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART3CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
OWL_DIVIDER_HW(CMU_UART3CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(uart4_clk, "uart4_clk", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART4CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
OWL_DIVIDER_HW(CMU_UART4CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(uart5_clk, "uart5_clk", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART5CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
OWL_DIVIDER_HW(CMU_UART5CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(uart6_clk, "uart6_clk", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART6CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
OWL_DIVIDER_HW(CMU_UART6CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(i2srx_clk, "i2srx_clk", i2s_clk_mux_p,
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, i2s_div_table),
0);
static OWL_COMP_DIV(i2stx_clk, "i2stx_clk", i2s_clk_mux_p,
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 20, 0),
OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, i2s_div_table),
0);
static OWL_COMP_DIV(hdmia_clk, "hdmia_clk", i2s_clk_mux_p,
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, i2s_div_table),
0);
static OWL_COMP_DIV(spdif_clk, "spdif_clk", i2s_clk_mux_p,
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 23, 0),
OWL_DIVIDER_HW(CMU_AUDIOPLL, 28, 4, 0, i2s_div_table),
0);
static OWL_COMP_DIV(nand_clk, "nand_clk", nand_clk_mux_p,
OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 3, 0, nand_div_table),
CLK_SET_RATE_PARENT);
static OWL_COMP_DIV(ecc_clk, "ecc_clk", nand_clk_mux_p,
OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
OWL_DIVIDER_HW(CMU_NANDCCLK, 4, 3, 0, nand_div_table),
CLK_SET_RATE_PARENT);
static struct owl_clk_common *s500_clks[] = {
&ethernet_pll_clk.common,
&core_pll_clk.common,
&ddr_pll_clk.common,
&dev_pll_clk.common,
&nand_pll_clk.common,
&audio_pll_clk.common,
&display_pll_clk.common,
&dev_clk.common,
&timer_clk.common,
&i2c0_clk.common,
&i2c1_clk.common,
&i2c2_clk.common,
&i2c3_clk.common,
&uart0_clk.common,
&uart1_clk.common,
&uart2_clk.common,
&uart3_clk.common,
&uart4_clk.common,
&uart5_clk.common,
&uart6_clk.common,
&pwm0_clk.common,
&pwm1_clk.common,
&pwm2_clk.common,
&pwm3_clk.common,
&pwm4_clk.common,
&pwm5_clk.common,
&sensor0_clk.common,
&sensor1_clk.common,
&sd0_clk.common,
&sd1_clk.common,
&sd2_clk.common,
&bisp_clk.common,
&ahb_clk.common,
&ahbprediv_clk.common,
&h_clk.common,
&spi0_clk.common,
&spi1_clk.common,
&spi2_clk.common,
&spi3_clk.common,
&rmii_ref_clk.common,
&de_clk.common,
&de1_clk.common,
&de2_clk.common,
&i2srx_clk.common,
&i2stx_clk.common,
&hdmia_clk.common,
&hdmi_clk.common,
&vce_clk.common,
&vde_clk.common,
&spdif_clk.common,
&nand_clk.common,
&ecc_clk.common,
&apb_clk.common,
&dmac_clk.common,
&gpio_clk.common,
&nic_clk.common,
&ethernet_clk.common,
};
static struct clk_hw_onecell_data s500_hw_clks = {
.hws = {
[CLK_ETHERNET_PLL] = &ethernet_pll_clk.common.hw,
[CLK_CORE_PLL] = &core_pll_clk.common.hw,
[CLK_DDR_PLL] = &ddr_pll_clk.common.hw,
[CLK_NAND_PLL] = &nand_pll_clk.common.hw,
[CLK_DISPLAY_PLL] = &display_pll_clk.common.hw,
[CLK_DEV_PLL] = &dev_pll_clk.common.hw,
[CLK_AUDIO_PLL] = &audio_pll_clk.common.hw,
[CLK_TIMER] = &timer_clk.common.hw,
[CLK_DEV] = &dev_clk.common.hw,
[CLK_DE] = &de_clk.common.hw,
[CLK_DE1] = &de1_clk.common.hw,
[CLK_DE2] = &de2_clk.common.hw,
[CLK_I2C0] = &i2c0_clk.common.hw,
[CLK_I2C1] = &i2c1_clk.common.hw,
[CLK_I2C2] = &i2c2_clk.common.hw,
[CLK_I2C3] = &i2c3_clk.common.hw,
[CLK_I2SRX] = &i2srx_clk.common.hw,
[CLK_I2STX] = &i2stx_clk.common.hw,
[CLK_UART0] = &uart0_clk.common.hw,
[CLK_UART1] = &uart1_clk.common.hw,
[CLK_UART2] = &uart2_clk.common.hw,
[CLK_UART3] = &uart3_clk.common.hw,
[CLK_UART4] = &uart4_clk.common.hw,
[CLK_UART5] = &uart5_clk.common.hw,
[CLK_UART6] = &uart6_clk.common.hw,
[CLK_PWM0] = &pwm0_clk.common.hw,
[CLK_PWM1] = &pwm1_clk.common.hw,
[CLK_PWM2] = &pwm2_clk.common.hw,
[CLK_PWM3] = &pwm3_clk.common.hw,
[CLK_PWM4] = &pwm4_clk.common.hw,
[CLK_PWM5] = &pwm5_clk.common.hw,
[CLK_SENSOR0] = &sensor0_clk.common.hw,
[CLK_SENSOR1] = &sensor1_clk.common.hw,
[CLK_SD0] = &sd0_clk.common.hw,
[CLK_SD1] = &sd1_clk.common.hw,
[CLK_SD2] = &sd2_clk.common.hw,
[CLK_BISP] = &bisp_clk.common.hw,
[CLK_SPI0] = &spi0_clk.common.hw,
[CLK_SPI1] = &spi1_clk.common.hw,
[CLK_SPI2] = &spi2_clk.common.hw,
[CLK_SPI3] = &spi3_clk.common.hw,
[CLK_AHB] = &ahb_clk.common.hw,
[CLK_H] = &h_clk.common.hw,
[CLK_AHBPREDIV] = &ahbprediv_clk.common.hw,
[CLK_RMII_REF] = &rmii_ref_clk.common.hw,
[CLK_HDMI_AUDIO] = &hdmia_clk.common.hw,
[CLK_HDMI] = &hdmi_clk.common.hw,
[CLK_VDE] = &vde_clk.common.hw,
[CLK_VCE] = &vce_clk.common.hw,
[CLK_SPDIF] = &spdif_clk.common.hw,
[CLK_NAND] = &nand_clk.common.hw,
[CLK_ECC] = &ecc_clk.common.hw,
[CLK_APB] = &apb_clk.common.hw,
[CLK_DMAC] = &dmac_clk.common.hw,
[CLK_GPIO] = &gpio_clk.common.hw,
[CLK_NIC] = &nic_clk.common.hw,
[CLK_ETHERNET] = &ethernet_clk.common.hw,
},
.num = CLK_NR_CLKS,
};
static const struct owl_reset_map s500_resets[] = {
[RESET_DMAC] = { CMU_DEVRST0, BIT(0) },
[RESET_NORIF] = { CMU_DEVRST0, BIT(1) },
[RESET_DDR] = { CMU_DEVRST0, BIT(2) },
[RESET_NANDC] = { CMU_DEVRST0, BIT(3) },
[RESET_SD0] = { CMU_DEVRST0, BIT(4) },
[RESET_SD1] = { CMU_DEVRST0, BIT(5) },
[RESET_PCM1] = { CMU_DEVRST0, BIT(6) },
[RESET_DE] = { CMU_DEVRST0, BIT(7) },
[RESET_LCD] = { CMU_DEVRST0, BIT(8) },
[RESET_SD2] = { CMU_DEVRST0, BIT(9) },
[RESET_DSI] = { CMU_DEVRST0, BIT(10) },
[RESET_CSI] = { CMU_DEVRST0, BIT(11) },
[RESET_BISP] = { CMU_DEVRST0, BIT(12) },
[RESET_KEY] = { CMU_DEVRST0, BIT(14) },
[RESET_GPIO] = { CMU_DEVRST0, BIT(15) },
[RESET_AUDIO] = { CMU_DEVRST0, BIT(17) },
[RESET_PCM0] = { CMU_DEVRST0, BIT(18) },
[RESET_VDE] = { CMU_DEVRST0, BIT(19) },
[RESET_VCE] = { CMU_DEVRST0, BIT(20) },
[RESET_GPU3D] = { CMU_DEVRST0, BIT(22) },
[RESET_NIC301] = { CMU_DEVRST0, BIT(23) },
[RESET_LENS] = { CMU_DEVRST0, BIT(26) },
[RESET_PERIPHRESET] = { CMU_DEVRST0, BIT(27) },
[RESET_USB2_0] = { CMU_DEVRST1, BIT(0) },
[RESET_TVOUT] = { CMU_DEVRST1, BIT(1) },
[RESET_HDMI] = { CMU_DEVRST1, BIT(2) },
[RESET_HDCP2TX] = { CMU_DEVRST1, BIT(3) },
[RESET_UART6] = { CMU_DEVRST1, BIT(4) },
[RESET_UART0] = { CMU_DEVRST1, BIT(5) },
[RESET_UART1] = { CMU_DEVRST1, BIT(6) },
[RESET_UART2] = { CMU_DEVRST1, BIT(7) },
[RESET_SPI0] = { CMU_DEVRST1, BIT(8) },
[RESET_SPI1] = { CMU_DEVRST1, BIT(9) },
[RESET_SPI2] = { CMU_DEVRST1, BIT(10) },
[RESET_SPI3] = { CMU_DEVRST1, BIT(11) },
[RESET_I2C0] = { CMU_DEVRST1, BIT(12) },
[RESET_I2C1] = { CMU_DEVRST1, BIT(13) },
[RESET_USB3] = { CMU_DEVRST1, BIT(14) },
[RESET_UART3] = { CMU_DEVRST1, BIT(15) },
[RESET_UART4] = { CMU_DEVRST1, BIT(16) },
[RESET_UART5] = { CMU_DEVRST1, BIT(17) },
[RESET_I2C2] = { CMU_DEVRST1, BIT(18) },
[RESET_I2C3] = { CMU_DEVRST1, BIT(19) },
[RESET_ETHERNET] = { CMU_DEVRST1, BIT(20) },
[RESET_CHIPID] = { CMU_DEVRST1, BIT(21) },
[RESET_USB2_1] = { CMU_DEVRST1, BIT(22) },
[RESET_WD0RESET] = { CMU_DEVRST1, BIT(24) },
[RESET_WD1RESET] = { CMU_DEVRST1, BIT(25) },
[RESET_WD2RESET] = { CMU_DEVRST1, BIT(26) },
[RESET_WD3RESET] = { CMU_DEVRST1, BIT(27) },
[RESET_DBG0RESET] = { CMU_DEVRST1, BIT(28) },
[RESET_DBG1RESET] = { CMU_DEVRST1, BIT(29) },
[RESET_DBG2RESET] = { CMU_DEVRST1, BIT(30) },
[RESET_DBG3RESET] = { CMU_DEVRST1, BIT(31) },
};
static struct owl_clk_desc s500_clk_desc = {
.clks = s500_clks,
.num_clks = ARRAY_SIZE(s500_clks),
.hw_clks = &s500_hw_clks,
.resets = s500_resets,
.num_resets = ARRAY_SIZE(s500_resets),
};
static int s500_clk_probe(struct platform_device *pdev)
{
struct owl_clk_desc *desc;
struct owl_reset *reset;
int ret;
desc = &s500_clk_desc;
owl_clk_regmap_init(pdev, desc);
reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL);
if (!reset)
return -ENOMEM;
reset->rcdev.of_node = pdev->dev.of_node;
reset->rcdev.ops = &owl_reset_ops;
reset->rcdev.nr_resets = desc->num_resets;
reset->reset_map = desc->resets;
reset->regmap = desc->regmap;
ret = devm_reset_controller_register(&pdev->dev, &reset->rcdev);
if (ret)
dev_err(&pdev->dev, "Failed to register reset controller\n");
return owl_clk_probe(&pdev->dev, desc->hw_clks);
}
static const struct of_device_id s500_clk_of_match[] = {
{ .compatible = "actions,s500-cmu", },
{ /* sentinel */ }
};
static struct platform_driver s500_clk_driver = {
.probe = s500_clk_probe,
.driver = {
.name = "s500-cmu",
.of_match_table = s500_clk_of_match,
},
};
static int __init s500_clk_init(void)
{
return platform_driver_register(&s500_clk_driver);
}
core_initcall(s500_clk_init);
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