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linux/linux-5.4.31/drivers/clk/actions/owl-s700.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Actions Semi S700 clock driver
*
* Copyright (c) 2014 Actions Semi Inc.
* Author: David Liu <liuwei@actions-semi.com>
*
* Author: Pathiban Nallathambi <pn@denx.de>
* Author: Saravanan Sekar <sravanhome@gmail.com>
*/
#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,s700-cmu.h>
#include <dt-bindings/reset/actions,s700-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_DSIPLLCLK (0x0028)
#define CMU_CSICLK (0x002C)
#define CMU_DECLK (0x0030)
#define CMU_SICLK (0x0034)
#define CMU_BUSCLK1 (0x0038)
#define CMU_HDECLK (0x003C)
#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_UART3CLK (0x0068)
#define CMU_UART4CLK (0x006C)
#define CMU_UART5CLK (0x0070)
#define CMU_UART6CLK (0x0074)
#define CMU_PWM0CLK (0x0078)
#define CMU_PWM1CLK (0x007C)
#define CMU_PWM2CLK (0x0080)
#define CMU_PWM3CLK (0x0084)
#define CMU_PWM4CLK (0x0088)
#define CMU_PWM5CLK (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_USBPLL (0x00B0)
#define CMU_ETHERNETPLL (0x00B4)
#define CMU_CVBSPLL (0x00B8)
#define CMU_SSTSCLK (0x00C0)
static struct clk_pll_table clk_audio_pll_table[] = {
{0, 45158400}, {1, 49152000},
{0, 0},
};
static struct clk_pll_table clk_cvbs_pll_table[] = {
{27, 29 * 12000000}, {28, 30 * 12000000}, {29, 31 * 12000000},
{30, 32 * 12000000}, {31, 33 * 12000000}, {32, 34 * 12000000},
{33, 35 * 12000000}, {34, 36 * 12000000}, {35, 37 * 12000000},
{36, 38 * 12000000}, {37, 39 * 12000000}, {38, 40 * 12000000},
{39, 41 * 12000000}, {40, 42 * 12000000}, {41, 43 * 12000000},
{42, 44 * 12000000}, {43, 45 * 12000000}, {0, 0},
};
/* pll clocks */
static OWL_PLL_NO_PARENT(clk_core_pll, "core_pll", CMU_COREPLL, 12000000, 9, 0, 8, 4, 174, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(clk_dev_pll, "dev_pll", CMU_DEVPLL, 6000000, 8, 0, 8, 8, 126, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(clk_ddr_pll, "ddr_pll", CMU_DDRPLL, 6000000, 8, 0, 8, 2, 180, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(clk_nand_pll, "nand_pll", CMU_NANDPLL, 6000000, 8, 0, 8, 2, 86, NULL, CLK_IGNORE_UNUSED);
static OWL_PLL_NO_PARENT(clk_display_pll, "display_pll", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 2, 140, NULL, CLK_IGNORE_UNUSED);
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);
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);
static OWL_PLL_NO_PARENT(clk_ethernet_pll, "ethernet_pll", CMU_ETHERNETPLL, 500000000, 0, 0, 0, 0, 0, NULL, CLK_IGNORE_UNUSED);
static const char *cpu_clk_mux_p[] = {"losc", "hosc", "core_pll", "noc1_clk_div"};
static const char *dev_clk_p[] = { "hosc", "dev_pll"};
static const char *noc_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_pll", "cvbs_pll"};
static const char *csi_clk_mux_p[] = { "display_pll", "dev_clk"};
static const char *de_clk_mux_p[] = { "display_pll", "dev_clk"};
static const char *hde_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_pll"};
static const char *nand_clk_mux_p[] = { "nand_pll", "display_pll", "dev_clk", "ddr_pll"};
static const char *sd_clk_mux_p[] = { "dev_clk", "nand_pll", };
static const char *uart_clk_mux_p[] = { "hosc", "dev_pll"};
static const char *pwm_clk_mux_p[] = { "losc", "hosc"};
static const char *gpu_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_clk", "cvbs_pll"};
static const char *lcd_clk_mux_p[] = { "display_pll", "dev_clk" };
static const char *i2s_clk_mux_p[] = { "audio_pll" };
static const char *sensor_clk_mux_p[] = { "hosc", "si"};
/* mux clocks */
static OWL_MUX(clk_cpu, "cpu_clk", cpu_clk_mux_p, CMU_BUSCLK, 0, 2, CLK_SET_RATE_PARENT);
static OWL_MUX(clk_dev, "dev_clk", dev_clk_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
static OWL_MUX(clk_noc0_clk_mux, "noc0_clk_mux", noc_clk_mux_p, CMU_BUSCLK, 4, 3, CLK_SET_RATE_PARENT);
static OWL_MUX(clk_noc1_clk_mux, "noc1_clk_mux", noc_clk_mux_p, CMU_BUSCLK1, 4, 3, CLK_SET_RATE_PARENT);
static OWL_MUX(clk_hp_clk_mux, "hp_clk_mux", noc_clk_mux_p, CMU_BUSCLK1, 8, 3, CLK_SET_RATE_PARENT);
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}, {25, 1, 26},
/* 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}, {281, 1, 26 * 128},
{0, 0},
};
static struct clk_factor_table lcd_factor_table[] = {
/* bit0 ~ 3 */
{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},
/* bit8: /7 */
{256, 1, 1 * 7}, {257, 1, 2 * 7}, {258, 1, 3 * 7}, {259, 1, 4 * 7},
{260, 1, 5 * 7}, {261, 1, 6 * 7}, {262, 1, 7 * 7}, {263, 1, 8 * 7},
{264, 1, 9 * 7}, {265, 1, 10 * 7}, {266, 1, 11 * 7}, {267, 1, 12 * 7},
{0, 0},
};
static struct clk_div_table hdmia_div_table[] = {
{0, 1}, {1, 2}, {2, 3}, {3, 4},
{4, 6}, {5, 8}, {6, 12}, {7, 16},
{8, 24},
{0, 0},
};
static struct clk_div_table rmii_div_table[] = {
{0, 4}, {1, 10},
};
/* divider clocks */
static OWL_DIVIDER(clk_noc0, "noc0_clk", "noc0_clk_mux", CMU_BUSCLK, 16, 2, NULL, 0, 0);
static OWL_DIVIDER(clk_noc1, "noc1_clk", "noc1_clk_mux", CMU_BUSCLK1, 16, 2, NULL, 0, 0);
static OWL_DIVIDER(clk_noc1_clk_div, "noc1_clk_div", "noc1_clk", CMU_BUSCLK1, 20, 1, NULL, 0, 0);
static OWL_DIVIDER(clk_hp_clk_div, "hp_clk_div", "hp_clk_mux", CMU_BUSCLK1, 12, 2, NULL, 0, 0);
static OWL_DIVIDER(clk_ahb, "ahb_clk", "hp_clk_div", CMU_BUSCLK1, 2, 2, NULL, 0, 0);
static OWL_DIVIDER(clk_apb, "apb_clk", "ahb_clk", CMU_BUSCLK1, 14, 2, NULL, 0, 0);
static OWL_DIVIDER(clk_sensor0, "sensor0", "sensor_src", CMU_SENSORCLK, 0, 4, NULL, 0, 0);
static OWL_DIVIDER(clk_sensor1, "sensor1", "sensor_src", CMU_SENSORCLK, 8, 4, NULL, 0, 0);
static OWL_DIVIDER(clk_rmii_ref, "rmii_ref", "ethernet_pll", CMU_ETHERNETPLL, 2, 1, rmii_div_table, 0, 0);
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}, {0, 0, 0},
};
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},
{0, 0, 0},
};
/* gate clocks */
static OWL_GATE(clk_gpio, "gpio", "apb_clk", CMU_DEVCLKEN1, 25, 0, 0);
static OWL_GATE(clk_dmac, "dmac", "hp_clk_div", CMU_DEVCLKEN0, 17, 0, 0);
static OWL_GATE(clk_timer, "timer", "hosc", CMU_DEVCLKEN1, 22, 0, 0);
static OWL_GATE_NO_PARENT(clk_dsi, "dsi_clk", CMU_DEVCLKEN0, 2, 0, 0);
static OWL_GATE_NO_PARENT(clk_tvout, "tvout_clk", CMU_DEVCLKEN0, 3, 0, 0);
static OWL_GATE_NO_PARENT(clk_hdmi_dev, "hdmi_dev", CMU_DEVCLKEN0, 5, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb3_480mpll0, "usb3_480mpll0", CMU_USBPLL, 3, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb3_480mphy0, "usb3_480mphy0", CMU_USBPLL, 2, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb3_5gphy, "usb3_5gphy", CMU_USBPLL, 1, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb3_cce, "usb3_cce", CMU_DEVCLKEN0, 25, 0, 0);
static OWL_GATE(clk_i2c0, "i2c0", "hosc", CMU_DEVCLKEN1, 0, 0, 0);
static OWL_GATE(clk_i2c1, "i2c1", "hosc", CMU_DEVCLKEN1, 1, 0, 0);
static OWL_GATE(clk_i2c2, "i2c2", "hosc", CMU_DEVCLKEN1, 2, 0, 0);
static OWL_GATE(clk_i2c3, "i2c3", "hosc", CMU_DEVCLKEN1, 3, 0, 0);
static OWL_GATE(clk_spi0, "spi0", "ahb_clk", CMU_DEVCLKEN1, 4, 0, 0);
static OWL_GATE(clk_spi1, "spi1", "ahb_clk", CMU_DEVCLKEN1, 5, 0, 0);
static OWL_GATE(clk_spi2, "spi2", "ahb_clk", CMU_DEVCLKEN1, 6, 0, 0);
static OWL_GATE(clk_spi3, "spi3", "ahb_clk", CMU_DEVCLKEN1, 7, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb2h0_pllen, "usbh0_pllen", CMU_USBPLL, 12, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb2h0_phy, "usbh0_phy", CMU_USBPLL, 10, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb2h0_cce, "usbh0_cce", CMU_DEVCLKEN0, 26, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb2h1_pllen, "usbh1_pllen", CMU_USBPLL, 13, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb2h1_phy, "usbh1_phy", CMU_USBPLL, 11, 0, 0);
static OWL_GATE_NO_PARENT(clk_usb2h1_cce, "usbh1_cce", CMU_DEVCLKEN0, 27, 0, 0);
static OWL_GATE_NO_PARENT(clk_irc_switch, "irc_switch", CMU_DEVCLKEN1, 15, 0, 0);
/* composite clocks */
static OWL_COMP_DIV(clk_csi, "csi", csi_clk_mux_p,
OWL_MUX_HW(CMU_CSICLK, 4, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 13, 0),
OWL_DIVIDER_HW(CMU_CSICLK, 0, 4, 0, NULL),
0);
static OWL_COMP_DIV(clk_si, "si", csi_clk_mux_p,
OWL_MUX_HW(CMU_SICLK, 4, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
OWL_DIVIDER_HW(CMU_SICLK, 0, 4, 0, NULL),
0);
static OWL_COMP_FACTOR(clk_de, "de", de_clk_mux_p,
OWL_MUX_HW(CMU_DECLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 0, 0),
OWL_FACTOR_HW(CMU_DECLK, 0, 3, 0, de_factor_table),
0);
static OWL_COMP_FACTOR(clk_hde, "hde", hde_clk_mux_p,
OWL_MUX_HW(CMU_HDECLK, 4, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 9, 0),
OWL_FACTOR_HW(CMU_HDECLK, 0, 3, 0, hde_factor_table),
0);
static OWL_COMP_FACTOR(clk_vde, "vde", hde_clk_mux_p,
OWL_MUX_HW(CMU_VDECLK, 4, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 10, 0),
OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, hde_factor_table),
0);
static OWL_COMP_FACTOR(clk_vce, "vce", hde_clk_mux_p,
OWL_MUX_HW(CMU_VCECLK, 4, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, hde_factor_table),
0);
static OWL_COMP_DIV(clk_nand, "nand", nand_clk_mux_p,
OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 3, 0, NULL),
CLK_SET_RATE_PARENT);
static OWL_COMP_FACTOR(clk_sd0, "sd0", sd_clk_mux_p,
OWL_MUX_HW(CMU_SD0CLK, 9, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
0);
static OWL_COMP_FACTOR(clk_sd1, "sd1", sd_clk_mux_p,
OWL_MUX_HW(CMU_SD1CLK, 9, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 23, 0),
OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
0);
static OWL_COMP_FACTOR(clk_sd2, "sd2", sd_clk_mux_p,
OWL_MUX_HW(CMU_SD2CLK, 9, 1),
OWL_GATE_HW(CMU_DEVCLKEN0, 24, 0),
OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
0);
static OWL_COMP_DIV(clk_uart0, "uart0", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART0CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
OWL_DIVIDER_HW(CMU_UART0CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
0);
static OWL_COMP_DIV(clk_uart1, "uart1", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART1CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 9, 0),
OWL_DIVIDER_HW(CMU_UART1CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
0);
static OWL_COMP_DIV(clk_uart2, "uart2", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART2CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 10, 0),
OWL_DIVIDER_HW(CMU_UART2CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
0);
static OWL_COMP_DIV(clk_uart3, "uart3", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART3CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 11, 0),
OWL_DIVIDER_HW(CMU_UART3CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
0);
static OWL_COMP_DIV(clk_uart4, "uart4", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART4CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 12, 0),
OWL_DIVIDER_HW(CMU_UART4CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
0);
static OWL_COMP_DIV(clk_uart5, "uart5", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART5CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 13, 0),
OWL_DIVIDER_HW(CMU_UART5CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
0);
static OWL_COMP_DIV(clk_uart6, "uart6", uart_clk_mux_p,
OWL_MUX_HW(CMU_UART6CLK, 16, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
OWL_DIVIDER_HW(CMU_UART6CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
0);
static OWL_COMP_DIV(clk_pwm0, "pwm0", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM0CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 16, 0),
OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 10, 0, NULL),
CLK_IGNORE_UNUSED);
static OWL_COMP_DIV(clk_pwm1, "pwm1", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM1CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 17, 0),
OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(clk_pwm2, "pwm2", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM2CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(clk_pwm3, "pwm3", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM3CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(clk_pwm4, "pwm4", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM4CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_DIV(clk_pwm5, "pwm5", pwm_clk_mux_p,
OWL_MUX_HW(CMU_PWM5CLK, 12, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 10, 0, NULL),
0);
static OWL_COMP_FACTOR(clk_gpu3d, "gpu3d", gpu_clk_mux_p,
OWL_MUX_HW(CMU_GPU3DCLK, 4, 3),
OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
OWL_FACTOR_HW(CMU_GPU3DCLK, 0, 3, 0, hde_factor_table),
0);
static OWL_COMP_FACTOR(clk_lcd, "lcd", lcd_clk_mux_p,
OWL_MUX_HW(CMU_LCDCLK, 12, 2),
OWL_GATE_HW(CMU_DEVCLKEN0, 1, 0),
OWL_FACTOR_HW(CMU_LCDCLK, 0, 9, 0, lcd_factor_table),
0);
static OWL_COMP_DIV(clk_hdmi_audio, "hdmia", i2s_clk_mux_p,
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1), /*CMU_AUDIOPLL 24,1 unused*/
OWL_GATE_HW(CMU_DEVCLKEN1, 28, 0),
OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, hdmia_div_table),
0);
static OWL_COMP_DIV(clk_i2srx, "i2srx", i2s_clk_mux_p,
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 27, 0),
OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, hdmia_div_table),
0);
static OWL_COMP_DIV(clk_i2stx, "i2stx", i2s_clk_mux_p,
OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, hdmia_div_table),
0);
/* for bluetooth pcm communication */
static OWL_COMP_FIXED_FACTOR(clk_pcm1, "pcm1", "audio_pll",
OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
1, 2, 0);
static OWL_COMP_DIV(clk_sensor_src, "sensor_src", sensor_clk_mux_p,
OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
{0},
OWL_DIVIDER_HW(CMU_SENSORCLK, 5, 2, 0, NULL),
0);
static OWL_COMP_FIXED_FACTOR(clk_ethernet, "ethernet", "ethernet_pll",
OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
1, 20, 0);
static OWL_COMP_DIV_FIXED(clk_thermal_sensor, "thermal_sensor", "hosc",
OWL_GATE_HW(CMU_DEVCLKEN0, 31, 0),
OWL_DIVIDER_HW(CMU_SSTSCLK, 20, 10, 0, NULL),
0);
static struct owl_clk_common *s700_clks[] = {
&clk_core_pll.common,
&clk_dev_pll.common,
&clk_ddr_pll.common,
&clk_nand_pll.common,
&clk_display_pll.common,
&clk_cvbs_pll .common,
&clk_audio_pll.common,
&clk_ethernet_pll.common,
&clk_cpu.common,
&clk_dev.common,
&clk_ahb.common,
&clk_apb.common,
&clk_dmac.common,
&clk_noc0_clk_mux.common,
&clk_noc1_clk_mux.common,
&clk_hp_clk_mux.common,
&clk_hp_clk_div.common,
&clk_noc1_clk_div.common,
&clk_noc0.common,
&clk_noc1.common,
&clk_sensor_src.common,
&clk_gpio.common,
&clk_timer.common,
&clk_dsi.common,
&clk_csi.common,
&clk_si.common,
&clk_de.common,
&clk_hde.common,
&clk_vde.common,
&clk_vce.common,
&clk_nand.common,
&clk_sd0.common,
&clk_sd1.common,
&clk_sd2.common,
&clk_uart0.common,
&clk_uart1.common,
&clk_uart2.common,
&clk_uart3.common,
&clk_uart4.common,
&clk_uart5.common,
&clk_uart6.common,
&clk_pwm0.common,
&clk_pwm1.common,
&clk_pwm2.common,
&clk_pwm3.common,
&clk_pwm4.common,
&clk_pwm5.common,
&clk_gpu3d.common,
&clk_i2c0.common,
&clk_i2c1.common,
&clk_i2c2.common,
&clk_i2c3.common,
&clk_spi0.common,
&clk_spi1.common,
&clk_spi2.common,
&clk_spi3.common,
&clk_usb3_480mpll0.common,
&clk_usb3_480mphy0.common,
&clk_usb3_5gphy.common,
&clk_usb3_cce.common,
&clk_lcd.common,
&clk_hdmi_audio.common,
&clk_i2srx.common,
&clk_i2stx.common,
&clk_sensor0.common,
&clk_sensor1.common,
&clk_hdmi_dev.common,
&clk_ethernet.common,
&clk_rmii_ref.common,
&clk_usb2h0_pllen.common,
&clk_usb2h0_phy.common,
&clk_usb2h0_cce.common,
&clk_usb2h1_pllen.common,
&clk_usb2h1_phy.common,
&clk_usb2h1_cce.common,
&clk_tvout.common,
&clk_thermal_sensor.common,
&clk_irc_switch.common,
&clk_pcm1.common,
};
static struct clk_hw_onecell_data s700_hw_clks = {
.hws = {
[CLK_CORE_PLL] = &clk_core_pll.common.hw,
[CLK_DEV_PLL] = &clk_dev_pll.common.hw,
[CLK_DDR_PLL] = &clk_ddr_pll.common.hw,
[CLK_NAND_PLL] = &clk_nand_pll.common.hw,
[CLK_DISPLAY_PLL] = &clk_display_pll.common.hw,
[CLK_CVBS_PLL] = &clk_cvbs_pll .common.hw,
[CLK_AUDIO_PLL] = &clk_audio_pll.common.hw,
[CLK_ETHERNET_PLL] = &clk_ethernet_pll.common.hw,
[CLK_CPU] = &clk_cpu.common.hw,
[CLK_DEV] = &clk_dev.common.hw,
[CLK_AHB] = &clk_ahb.common.hw,
[CLK_APB] = &clk_apb.common.hw,
[CLK_DMAC] = &clk_dmac.common.hw,
[CLK_NOC0_CLK_MUX] = &clk_noc0_clk_mux.common.hw,
[CLK_NOC1_CLK_MUX] = &clk_noc1_clk_mux.common.hw,
[CLK_HP_CLK_MUX] = &clk_hp_clk_mux.common.hw,
[CLK_HP_CLK_DIV] = &clk_hp_clk_div.common.hw,
[CLK_NOC1_CLK_DIV] = &clk_noc1_clk_div.common.hw,
[CLK_NOC0] = &clk_noc0.common.hw,
[CLK_NOC1] = &clk_noc1.common.hw,
[CLK_SENOR_SRC] = &clk_sensor_src.common.hw,
[CLK_GPIO] = &clk_gpio.common.hw,
[CLK_TIMER] = &clk_timer.common.hw,
[CLK_DSI] = &clk_dsi.common.hw,
[CLK_CSI] = &clk_csi.common.hw,
[CLK_SI] = &clk_si.common.hw,
[CLK_DE] = &clk_de.common.hw,
[CLK_HDE] = &clk_hde.common.hw,
[CLK_VDE] = &clk_vde.common.hw,
[CLK_VCE] = &clk_vce.common.hw,
[CLK_NAND] = &clk_nand.common.hw,
[CLK_SD0] = &clk_sd0.common.hw,
[CLK_SD1] = &clk_sd1.common.hw,
[CLK_SD2] = &clk_sd2.common.hw,
[CLK_UART0] = &clk_uart0.common.hw,
[CLK_UART1] = &clk_uart1.common.hw,
[CLK_UART2] = &clk_uart2.common.hw,
[CLK_UART3] = &clk_uart3.common.hw,
[CLK_UART4] = &clk_uart4.common.hw,
[CLK_UART5] = &clk_uart5.common.hw,
[CLK_UART6] = &clk_uart6.common.hw,
[CLK_PWM0] = &clk_pwm0.common.hw,
[CLK_PWM1] = &clk_pwm1.common.hw,
[CLK_PWM2] = &clk_pwm2.common.hw,
[CLK_PWM3] = &clk_pwm3.common.hw,
[CLK_PWM4] = &clk_pwm4.common.hw,
[CLK_PWM5] = &clk_pwm5.common.hw,
[CLK_GPU3D] = &clk_gpu3d.common.hw,
[CLK_I2C0] = &clk_i2c0.common.hw,
[CLK_I2C1] = &clk_i2c1.common.hw,
[CLK_I2C2] = &clk_i2c2.common.hw,
[CLK_I2C3] = &clk_i2c3.common.hw,
[CLK_SPI0] = &clk_spi0.common.hw,
[CLK_SPI1] = &clk_spi1.common.hw,
[CLK_SPI2] = &clk_spi2.common.hw,
[CLK_SPI3] = &clk_spi3.common.hw,
[CLK_USB3_480MPLL0] = &clk_usb3_480mpll0.common.hw,
[CLK_USB3_480MPHY0] = &clk_usb3_480mphy0.common.hw,
[CLK_USB3_5GPHY] = &clk_usb3_5gphy.common.hw,
[CLK_USB3_CCE] = &clk_usb3_cce.common.hw,
[CLK_LCD] = &clk_lcd.common.hw,
[CLK_HDMI_AUDIO] = &clk_hdmi_audio.common.hw,
[CLK_I2SRX] = &clk_i2srx.common.hw,
[CLK_I2STX] = &clk_i2stx.common.hw,
[CLK_SENSOR0] = &clk_sensor0.common.hw,
[CLK_SENSOR1] = &clk_sensor1.common.hw,
[CLK_HDMI_DEV] = &clk_hdmi_dev.common.hw,
[CLK_ETHERNET] = &clk_ethernet.common.hw,
[CLK_RMII_REF] = &clk_rmii_ref.common.hw,
[CLK_USB2H0_PLLEN] = &clk_usb2h0_pllen.common.hw,
[CLK_USB2H0_PHY] = &clk_usb2h0_phy.common.hw,
[CLK_USB2H0_CCE] = &clk_usb2h0_cce.common.hw,
[CLK_USB2H1_PLLEN] = &clk_usb2h1_pllen.common.hw,
[CLK_USB2H1_PHY] = &clk_usb2h1_phy.common.hw,
[CLK_USB2H1_CCE] = &clk_usb2h1_cce.common.hw,
[CLK_TVOUT] = &clk_tvout.common.hw,
[CLK_THERMAL_SENSOR] = &clk_thermal_sensor.common.hw,
[CLK_IRC_SWITCH] = &clk_irc_switch.common.hw,
[CLK_PCM1] = &clk_pcm1.common.hw,
},
.num = CLK_NR_CLKS,
};
static const struct owl_reset_map s700_resets[] = {
[RESET_DE] = { CMU_DEVRST0, BIT(0) },
[RESET_LCD0] = { CMU_DEVRST0, BIT(1) },
[RESET_DSI] = { CMU_DEVRST0, BIT(2) },
[RESET_CSI] = { CMU_DEVRST0, BIT(13) },
[RESET_SI] = { CMU_DEVRST0, BIT(14) },
[RESET_I2C0] = { CMU_DEVRST1, BIT(0) },
[RESET_I2C1] = { CMU_DEVRST1, BIT(1) },
[RESET_I2C2] = { CMU_DEVRST1, BIT(2) },
[RESET_I2C3] = { CMU_DEVRST1, BIT(3) },
[RESET_SPI0] = { CMU_DEVRST1, BIT(4) },
[RESET_SPI1] = { CMU_DEVRST1, BIT(5) },
[RESET_SPI2] = { CMU_DEVRST1, BIT(6) },
[RESET_SPI3] = { CMU_DEVRST1, BIT(7) },
[RESET_UART0] = { CMU_DEVRST1, BIT(8) },
[RESET_UART1] = { CMU_DEVRST1, BIT(9) },
[RESET_UART2] = { CMU_DEVRST1, BIT(10) },
[RESET_UART3] = { CMU_DEVRST1, BIT(11) },
[RESET_UART4] = { CMU_DEVRST1, BIT(12) },
[RESET_UART5] = { CMU_DEVRST1, BIT(13) },
[RESET_UART6] = { CMU_DEVRST1, BIT(14) },
[RESET_KEY] = { CMU_DEVRST1, BIT(24) },
[RESET_GPIO] = { CMU_DEVRST1, BIT(25) },
[RESET_AUDIO] = { CMU_DEVRST1, BIT(29) },
};
static struct owl_clk_desc s700_clk_desc = {
.clks = s700_clks,
.num_clks = ARRAY_SIZE(s700_clks),
.hw_clks = &s700_hw_clks,
.resets = s700_resets,
.num_resets = ARRAY_SIZE(s700_resets),
};
static int s700_clk_probe(struct platform_device *pdev)
{
struct owl_clk_desc *desc;
struct owl_reset *reset;
int ret;
desc = &s700_clk_desc;
owl_clk_regmap_init(pdev, desc);
/*
* FIXME: Reset controller registration should be moved to
* common code, once all SoCs of Owl family supports it.
*/
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 s700_clk_of_match[] = {
{ .compatible = "actions,s700-cmu", },
{ /* sentinel */ }
};
static struct platform_driver s700_clk_driver = {
.probe = s700_clk_probe,
.driver = {
.name = "s700-cmu",
.of_match_table = s700_clk_of_match
},
};
static int __init s700_clk_init(void)
{
return platform_driver_register(&s700_clk_driver);
}
core_initcall(s700_clk_init);
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