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loongarch-next
linux-loongson/drivers/soc/amlogic/meson-clk-measure.c
Chuan Liu 0acf15d0a9 soc: amlogic: clk-measure: Add support for S4 
Add the clk-measurer clocks IDs for the Amlogic S4 SoC family.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
Link: https://lore.kernel.org/r/20250415-clk-measure-v3-5-9b8551dd33b4@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
2025-04-22 14:15:19 +02:00

1076 lines
31 KiB
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2018 BayLibre, SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
*/
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/bitfield.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/regmap.h>
#include <linux/module.h>
static DEFINE_MUTEX(measure_lock);
#define MSR_DURATION GENMASK(15, 0)
#define MSR_ENABLE BIT(16)
#define MSR_CONT BIT(17) /* continuous measurement */
#define MSR_INTR BIT(18) /* interrupts */
#define MSR_RUN BIT(19)
#define MSR_CLK_SRC GENMASK(26, 20)
#define MSR_BUSY BIT(31)
#define MSR_VAL_MASK GENMASK(15, 0)
#define DIV_MIN 32
#define DIV_STEP 32
#define DIV_MAX 640
struct meson_msr_id {
struct meson_msr *priv;
unsigned int id;
const char *name;
};
struct msr_reg_offset {
unsigned int duty_val;
unsigned int freq_ctrl;
unsigned int duty_ctrl;
unsigned int freq_val;
};
struct meson_msr_data {
struct meson_msr_id *msr_table;
unsigned int msr_count;
const struct msr_reg_offset *reg;
};
struct meson_msr {
struct regmap *regmap;
struct meson_msr_data data;
};
#define CLK_MSR_ID(__id, __name) \
[__id] = {.id = __id, .name = __name,}
static const struct meson_msr_id clk_msr_m8[] = {
CLK_MSR_ID(0, "ring_osc_out_ee0"),
CLK_MSR_ID(1, "ring_osc_out_ee1"),
CLK_MSR_ID(2, "ring_osc_out_ee2"),
CLK_MSR_ID(3, "a9_ring_osck"),
CLK_MSR_ID(6, "vid_pll"),
CLK_MSR_ID(7, "clk81"),
CLK_MSR_ID(8, "encp"),
CLK_MSR_ID(9, "encl"),
CLK_MSR_ID(11, "eth_rmii"),
CLK_MSR_ID(13, "amclk"),
CLK_MSR_ID(14, "fec_clk_0"),
CLK_MSR_ID(15, "fec_clk_1"),
CLK_MSR_ID(16, "fec_clk_2"),
CLK_MSR_ID(18, "a9_clk_div16"),
CLK_MSR_ID(19, "hdmi_sys"),
CLK_MSR_ID(20, "rtc_osc_clk_out"),
CLK_MSR_ID(21, "i2s_clk_in_src0"),
CLK_MSR_ID(22, "clk_rmii_from_pad"),
CLK_MSR_ID(23, "hdmi_ch0_tmds"),
CLK_MSR_ID(24, "lvds_fifo"),
CLK_MSR_ID(26, "sc_clk_int"),
CLK_MSR_ID(28, "sar_adc"),
CLK_MSR_ID(30, "mpll_clk_test_out"),
CLK_MSR_ID(31, "audac_clkpi"),
CLK_MSR_ID(32, "vdac"),
CLK_MSR_ID(33, "sdhc_rx"),
CLK_MSR_ID(34, "sdhc_sd"),
CLK_MSR_ID(35, "mali"),
CLK_MSR_ID(36, "hdmi_tx_pixel"),
CLK_MSR_ID(38, "vdin_meas"),
CLK_MSR_ID(39, "pcm_sclk"),
CLK_MSR_ID(40, "pcm_mclk"),
CLK_MSR_ID(41, "eth_rx_tx"),
CLK_MSR_ID(42, "pwm_d"),
CLK_MSR_ID(43, "pwm_c"),
CLK_MSR_ID(44, "pwm_b"),
CLK_MSR_ID(45, "pwm_a"),
CLK_MSR_ID(46, "pcm2_sclk"),
CLK_MSR_ID(47, "ddr_dpll_pt"),
CLK_MSR_ID(48, "pwm_f"),
CLK_MSR_ID(49, "pwm_e"),
CLK_MSR_ID(59, "hcodec"),
CLK_MSR_ID(60, "usb_32k_alt"),
CLK_MSR_ID(61, "gpio"),
CLK_MSR_ID(62, "vid2_pll"),
CLK_MSR_ID(63, "mipi_csi_cfg"),
};
static const struct meson_msr_id clk_msr_gx[] = {
CLK_MSR_ID(0, "ring_osc_out_ee_0"),
CLK_MSR_ID(1, "ring_osc_out_ee_1"),
CLK_MSR_ID(2, "ring_osc_out_ee_2"),
CLK_MSR_ID(3, "a53_ring_osc"),
CLK_MSR_ID(4, "gp0_pll"),
CLK_MSR_ID(6, "enci"),
CLK_MSR_ID(7, "clk81"),
CLK_MSR_ID(8, "encp"),
CLK_MSR_ID(9, "encl"),
CLK_MSR_ID(10, "vdac"),
CLK_MSR_ID(11, "rgmii_tx"),
CLK_MSR_ID(12, "pdm"),
CLK_MSR_ID(13, "amclk"),
CLK_MSR_ID(14, "fec_0"),
CLK_MSR_ID(15, "fec_1"),
CLK_MSR_ID(16, "fec_2"),
CLK_MSR_ID(17, "sys_pll_div16"),
CLK_MSR_ID(18, "sys_cpu_div16"),
CLK_MSR_ID(19, "hdmitx_sys"),
CLK_MSR_ID(20, "rtc_osc_out"),
CLK_MSR_ID(21, "i2s_in_src0"),
CLK_MSR_ID(22, "eth_phy_ref"),
CLK_MSR_ID(23, "hdmi_todig"),
CLK_MSR_ID(26, "sc_int"),
CLK_MSR_ID(28, "sar_adc"),
CLK_MSR_ID(31, "mpll_test_out"),
CLK_MSR_ID(32, "vdec"),
CLK_MSR_ID(35, "mali"),
CLK_MSR_ID(36, "hdmi_tx_pixel"),
CLK_MSR_ID(37, "i958"),
CLK_MSR_ID(38, "vdin_meas"),
CLK_MSR_ID(39, "pcm_sclk"),
CLK_MSR_ID(40, "pcm_mclk"),
CLK_MSR_ID(41, "eth_rx_or_rmii"),
CLK_MSR_ID(42, "mp0_out"),
CLK_MSR_ID(43, "fclk_div5"),
CLK_MSR_ID(44, "pwm_b"),
CLK_MSR_ID(45, "pwm_a"),
CLK_MSR_ID(46, "vpu"),
CLK_MSR_ID(47, "ddr_dpll_pt"),
CLK_MSR_ID(48, "mp1_out"),
CLK_MSR_ID(49, "mp2_out"),
CLK_MSR_ID(50, "mp3_out"),
CLK_MSR_ID(51, "nand_core"),
CLK_MSR_ID(52, "sd_emmc_b"),
CLK_MSR_ID(53, "sd_emmc_a"),
CLK_MSR_ID(55, "vid_pll_div_out"),
CLK_MSR_ID(56, "cci"),
CLK_MSR_ID(57, "wave420l_c"),
CLK_MSR_ID(58, "wave420l_b"),
CLK_MSR_ID(59, "hcodec"),
CLK_MSR_ID(60, "alt_32k"),
CLK_MSR_ID(61, "gpio_msr"),
CLK_MSR_ID(62, "hevc"),
CLK_MSR_ID(66, "vid_lock"),
CLK_MSR_ID(70, "pwm_f"),
CLK_MSR_ID(71, "pwm_e"),
CLK_MSR_ID(72, "pwm_d"),
CLK_MSR_ID(73, "pwm_c"),
CLK_MSR_ID(75, "aoclkx2_int"),
CLK_MSR_ID(76, "aoclk_int"),
CLK_MSR_ID(77, "rng_ring_osc_0"),
CLK_MSR_ID(78, "rng_ring_osc_1"),
CLK_MSR_ID(79, "rng_ring_osc_2"),
CLK_MSR_ID(80, "rng_ring_osc_3"),
CLK_MSR_ID(81, "vapb"),
CLK_MSR_ID(82, "ge2d"),
};
static const struct meson_msr_id clk_msr_axg[] = {
CLK_MSR_ID(0, "ring_osc_out_ee_0"),
CLK_MSR_ID(1, "ring_osc_out_ee_1"),
CLK_MSR_ID(2, "ring_osc_out_ee_2"),
CLK_MSR_ID(3, "a53_ring_osc"),
CLK_MSR_ID(4, "gp0_pll"),
CLK_MSR_ID(5, "gp1_pll"),
CLK_MSR_ID(7, "clk81"),
CLK_MSR_ID(9, "encl"),
CLK_MSR_ID(17, "sys_pll_div16"),
CLK_MSR_ID(18, "sys_cpu_div16"),
CLK_MSR_ID(20, "rtc_osc_out"),
CLK_MSR_ID(23, "mmc_clk"),
CLK_MSR_ID(28, "sar_adc"),
CLK_MSR_ID(31, "mpll_test_out"),
CLK_MSR_ID(40, "mod_eth_tx_clk"),
CLK_MSR_ID(41, "mod_eth_rx_clk_rmii"),
CLK_MSR_ID(42, "mp0_out"),
CLK_MSR_ID(43, "fclk_div5"),
CLK_MSR_ID(44, "pwm_b"),
CLK_MSR_ID(45, "pwm_a"),
CLK_MSR_ID(46, "vpu"),
CLK_MSR_ID(47, "ddr_dpll_pt"),
CLK_MSR_ID(48, "mp1_out"),
CLK_MSR_ID(49, "mp2_out"),
CLK_MSR_ID(50, "mp3_out"),
CLK_MSR_ID(51, "sd_emmm_c"),
CLK_MSR_ID(52, "sd_emmc_b"),
CLK_MSR_ID(61, "gpio_msr"),
CLK_MSR_ID(66, "audio_slv_lrclk_c"),
CLK_MSR_ID(67, "audio_slv_lrclk_b"),
CLK_MSR_ID(68, "audio_slv_lrclk_a"),
CLK_MSR_ID(69, "audio_slv_sclk_c"),
CLK_MSR_ID(70, "audio_slv_sclk_b"),
CLK_MSR_ID(71, "audio_slv_sclk_a"),
CLK_MSR_ID(72, "pwm_d"),
CLK_MSR_ID(73, "pwm_c"),
CLK_MSR_ID(74, "wifi_beacon"),
CLK_MSR_ID(75, "tdmin_lb_lrcl"),
CLK_MSR_ID(76, "tdmin_lb_sclk"),
CLK_MSR_ID(77, "rng_ring_osc_0"),
CLK_MSR_ID(78, "rng_ring_osc_1"),
CLK_MSR_ID(79, "rng_ring_osc_2"),
CLK_MSR_ID(80, "rng_ring_osc_3"),
CLK_MSR_ID(81, "vapb"),
CLK_MSR_ID(82, "ge2d"),
CLK_MSR_ID(84, "audio_resample"),
CLK_MSR_ID(85, "audio_pdm_sys"),
CLK_MSR_ID(86, "audio_spdifout"),
CLK_MSR_ID(87, "audio_spdifin"),
CLK_MSR_ID(88, "audio_lrclk_f"),
CLK_MSR_ID(89, "audio_lrclk_e"),
CLK_MSR_ID(90, "audio_lrclk_d"),
CLK_MSR_ID(91, "audio_lrclk_c"),
CLK_MSR_ID(92, "audio_lrclk_b"),
CLK_MSR_ID(93, "audio_lrclk_a"),
CLK_MSR_ID(94, "audio_sclk_f"),
CLK_MSR_ID(95, "audio_sclk_e"),
CLK_MSR_ID(96, "audio_sclk_d"),
CLK_MSR_ID(97, "audio_sclk_c"),
CLK_MSR_ID(98, "audio_sclk_b"),
CLK_MSR_ID(99, "audio_sclk_a"),
CLK_MSR_ID(100, "audio_mclk_f"),
CLK_MSR_ID(101, "audio_mclk_e"),
CLK_MSR_ID(102, "audio_mclk_d"),
CLK_MSR_ID(103, "audio_mclk_c"),
CLK_MSR_ID(104, "audio_mclk_b"),
CLK_MSR_ID(105, "audio_mclk_a"),
CLK_MSR_ID(106, "pcie_refclk_n"),
CLK_MSR_ID(107, "pcie_refclk_p"),
CLK_MSR_ID(108, "audio_locker_out"),
CLK_MSR_ID(109, "audio_locker_in"),
};
static const struct meson_msr_id clk_msr_g12a[] = {
CLK_MSR_ID(0, "ring_osc_out_ee_0"),
CLK_MSR_ID(1, "ring_osc_out_ee_1"),
CLK_MSR_ID(2, "ring_osc_out_ee_2"),
CLK_MSR_ID(3, "sys_cpu_ring_osc"),
CLK_MSR_ID(4, "gp0_pll"),
CLK_MSR_ID(6, "enci"),
CLK_MSR_ID(7, "clk81"),
CLK_MSR_ID(8, "encp"),
CLK_MSR_ID(9, "encl"),
CLK_MSR_ID(10, "vdac"),
CLK_MSR_ID(11, "eth_tx"),
CLK_MSR_ID(12, "hifi_pll"),
CLK_MSR_ID(13, "mod_tcon"),
CLK_MSR_ID(14, "fec_0"),
CLK_MSR_ID(15, "fec_1"),
CLK_MSR_ID(16, "fec_2"),
CLK_MSR_ID(17, "sys_pll_div16"),
CLK_MSR_ID(18, "sys_cpu_div16"),
CLK_MSR_ID(19, "lcd_an_ph2"),
CLK_MSR_ID(20, "rtc_osc_out"),
CLK_MSR_ID(21, "lcd_an_ph3"),
CLK_MSR_ID(22, "eth_phy_ref"),
CLK_MSR_ID(23, "mpll_50m"),
CLK_MSR_ID(24, "eth_125m"),
CLK_MSR_ID(25, "eth_rmii"),
CLK_MSR_ID(26, "sc_int"),
CLK_MSR_ID(27, "in_mac"),
CLK_MSR_ID(28, "sar_adc"),
CLK_MSR_ID(29, "pcie_inp"),
CLK_MSR_ID(30, "pcie_inn"),
CLK_MSR_ID(31, "mpll_test_out"),
CLK_MSR_ID(32, "vdec"),
CLK_MSR_ID(33, "sys_cpu_ring_osc_1"),
CLK_MSR_ID(34, "eth_mpll_50m"),
CLK_MSR_ID(35, "mali"),
CLK_MSR_ID(36, "hdmi_tx_pixel"),
CLK_MSR_ID(37, "cdac"),
CLK_MSR_ID(38, "vdin_meas"),
CLK_MSR_ID(39, "bt656"),
CLK_MSR_ID(41, "eth_rx_or_rmii"),
CLK_MSR_ID(42, "mp0_out"),
CLK_MSR_ID(43, "fclk_div5"),
CLK_MSR_ID(44, "pwm_b"),
CLK_MSR_ID(45, "pwm_a"),
CLK_MSR_ID(46, "vpu"),
CLK_MSR_ID(47, "ddr_dpll_pt"),
CLK_MSR_ID(48, "mp1_out"),
CLK_MSR_ID(49, "mp2_out"),
CLK_MSR_ID(50, "mp3_out"),
CLK_MSR_ID(51, "sd_emmc_c"),
CLK_MSR_ID(52, "sd_emmc_b"),
CLK_MSR_ID(53, "sd_emmc_a"),
CLK_MSR_ID(54, "vpu_clkc"),
CLK_MSR_ID(55, "vid_pll_div_out"),
CLK_MSR_ID(56, "wave420l_a"),
CLK_MSR_ID(57, "wave420l_c"),
CLK_MSR_ID(58, "wave420l_b"),
CLK_MSR_ID(59, "hcodec"),
CLK_MSR_ID(61, "gpio_msr"),
CLK_MSR_ID(62, "hevcb"),
CLK_MSR_ID(63, "dsi_meas"),
CLK_MSR_ID(64, "spicc_1"),
CLK_MSR_ID(65, "spicc_0"),
CLK_MSR_ID(66, "vid_lock"),
CLK_MSR_ID(67, "dsi_phy"),
CLK_MSR_ID(68, "hdcp22_esm"),
CLK_MSR_ID(69, "hdcp22_skp"),
CLK_MSR_ID(70, "pwm_f"),
CLK_MSR_ID(71, "pwm_e"),
CLK_MSR_ID(72, "pwm_d"),
CLK_MSR_ID(73, "pwm_c"),
CLK_MSR_ID(75, "hevcf"),
CLK_MSR_ID(77, "rng_ring_osc_0"),
CLK_MSR_ID(78, "rng_ring_osc_1"),
CLK_MSR_ID(79, "rng_ring_osc_2"),
CLK_MSR_ID(80, "rng_ring_osc_3"),
CLK_MSR_ID(81, "vapb"),
CLK_MSR_ID(82, "ge2d"),
CLK_MSR_ID(83, "co_rx"),
CLK_MSR_ID(84, "co_tx"),
CLK_MSR_ID(89, "hdmi_todig"),
CLK_MSR_ID(90, "hdmitx_sys"),
CLK_MSR_ID(91, "sys_cpub_div16"),
CLK_MSR_ID(92, "sys_pll_cpub_div16"),
CLK_MSR_ID(94, "eth_phy_rx"),
CLK_MSR_ID(95, "eth_phy_pll"),
CLK_MSR_ID(96, "vpu_b"),
CLK_MSR_ID(97, "cpu_b_tmp"),
CLK_MSR_ID(98, "ts"),
CLK_MSR_ID(99, "ring_osc_out_ee_3"),
CLK_MSR_ID(100, "ring_osc_out_ee_4"),
CLK_MSR_ID(101, "ring_osc_out_ee_5"),
CLK_MSR_ID(102, "ring_osc_out_ee_6"),
CLK_MSR_ID(103, "ring_osc_out_ee_7"),
CLK_MSR_ID(104, "ring_osc_out_ee_8"),
CLK_MSR_ID(105, "ring_osc_out_ee_9"),
CLK_MSR_ID(106, "ephy_test"),
CLK_MSR_ID(107, "au_dac_g128x"),
CLK_MSR_ID(108, "audio_locker_out"),
CLK_MSR_ID(109, "audio_locker_in"),
CLK_MSR_ID(110, "audio_tdmout_c_sclk"),
CLK_MSR_ID(111, "audio_tdmout_b_sclk"),
CLK_MSR_ID(112, "audio_tdmout_a_sclk"),
CLK_MSR_ID(113, "audio_tdmin_lb_sclk"),
CLK_MSR_ID(114, "audio_tdmin_c_sclk"),
CLK_MSR_ID(115, "audio_tdmin_b_sclk"),
CLK_MSR_ID(116, "audio_tdmin_a_sclk"),
CLK_MSR_ID(117, "audio_resample"),
CLK_MSR_ID(118, "audio_pdm_sys"),
CLK_MSR_ID(119, "audio_spdifout_b"),
CLK_MSR_ID(120, "audio_spdifout"),
CLK_MSR_ID(121, "audio_spdifin"),
CLK_MSR_ID(122, "audio_pdm_dclk"),
};
static const struct meson_msr_id clk_msr_sm1[] = {
CLK_MSR_ID(0, "ring_osc_out_ee_0"),
CLK_MSR_ID(1, "ring_osc_out_ee_1"),
CLK_MSR_ID(2, "ring_osc_out_ee_2"),
CLK_MSR_ID(3, "ring_osc_out_ee_3"),
CLK_MSR_ID(4, "gp0_pll"),
CLK_MSR_ID(5, "gp1_pll"),
CLK_MSR_ID(6, "enci"),
CLK_MSR_ID(7, "clk81"),
CLK_MSR_ID(8, "encp"),
CLK_MSR_ID(9, "encl"),
CLK_MSR_ID(10, "vdac"),
CLK_MSR_ID(11, "eth_tx"),
CLK_MSR_ID(12, "hifi_pll"),
CLK_MSR_ID(13, "mod_tcon"),
CLK_MSR_ID(14, "fec_0"),
CLK_MSR_ID(15, "fec_1"),
CLK_MSR_ID(16, "fec_2"),
CLK_MSR_ID(17, "sys_pll_div16"),
CLK_MSR_ID(18, "sys_cpu_div16"),
CLK_MSR_ID(19, "lcd_an_ph2"),
CLK_MSR_ID(20, "rtc_osc_out"),
CLK_MSR_ID(21, "lcd_an_ph3"),
CLK_MSR_ID(22, "eth_phy_ref"),
CLK_MSR_ID(23, "mpll_50m"),
CLK_MSR_ID(24, "eth_125m"),
CLK_MSR_ID(25, "eth_rmii"),
CLK_MSR_ID(26, "sc_int"),
CLK_MSR_ID(27, "in_mac"),
CLK_MSR_ID(28, "sar_adc"),
CLK_MSR_ID(29, "pcie_inp"),
CLK_MSR_ID(30, "pcie_inn"),
CLK_MSR_ID(31, "mpll_test_out"),
CLK_MSR_ID(32, "vdec"),
CLK_MSR_ID(34, "eth_mpll_50m"),
CLK_MSR_ID(35, "mali"),
CLK_MSR_ID(36, "hdmi_tx_pixel"),
CLK_MSR_ID(37, "cdac"),
CLK_MSR_ID(38, "vdin_meas"),
CLK_MSR_ID(39, "bt656"),
CLK_MSR_ID(40, "arm_ring_osc_out_4"),
CLK_MSR_ID(41, "eth_rx_or_rmii"),
CLK_MSR_ID(42, "mp0_out"),
CLK_MSR_ID(43, "fclk_div5"),
CLK_MSR_ID(44, "pwm_b"),
CLK_MSR_ID(45, "pwm_a"),
CLK_MSR_ID(46, "vpu"),
CLK_MSR_ID(47, "ddr_dpll_pt"),
CLK_MSR_ID(48, "mp1_out"),
CLK_MSR_ID(49, "mp2_out"),
CLK_MSR_ID(50, "mp3_out"),
CLK_MSR_ID(51, "sd_emmc_c"),
CLK_MSR_ID(52, "sd_emmc_b"),
CLK_MSR_ID(53, "sd_emmc_a"),
CLK_MSR_ID(54, "vpu_clkc"),
CLK_MSR_ID(55, "vid_pll_div_out"),
CLK_MSR_ID(56, "wave420l_a"),
CLK_MSR_ID(57, "wave420l_c"),
CLK_MSR_ID(58, "wave420l_b"),
CLK_MSR_ID(59, "hcodec"),
CLK_MSR_ID(60, "arm_ring_osc_out_5"),
CLK_MSR_ID(61, "gpio_msr"),
CLK_MSR_ID(62, "hevcb"),
CLK_MSR_ID(63, "dsi_meas"),
CLK_MSR_ID(64, "spicc_1"),
CLK_MSR_ID(65, "spicc_0"),
CLK_MSR_ID(66, "vid_lock"),
CLK_MSR_ID(67, "dsi_phy"),
CLK_MSR_ID(68, "hdcp22_esm"),
CLK_MSR_ID(69, "hdcp22_skp"),
CLK_MSR_ID(70, "pwm_f"),
CLK_MSR_ID(71, "pwm_e"),
CLK_MSR_ID(72, "pwm_d"),
CLK_MSR_ID(73, "pwm_c"),
CLK_MSR_ID(74, "arm_ring_osc_out_6"),
CLK_MSR_ID(75, "hevcf"),
CLK_MSR_ID(76, "arm_ring_osc_out_7"),
CLK_MSR_ID(77, "rng_ring_osc_0"),
CLK_MSR_ID(78, "rng_ring_osc_1"),
CLK_MSR_ID(79, "rng_ring_osc_2"),
CLK_MSR_ID(80, "rng_ring_osc_3"),
CLK_MSR_ID(81, "vapb"),
CLK_MSR_ID(82, "ge2d"),
CLK_MSR_ID(83, "co_rx"),
CLK_MSR_ID(84, "co_tx"),
CLK_MSR_ID(85, "arm_ring_osc_out_8"),
CLK_MSR_ID(86, "arm_ring_osc_out_9"),
CLK_MSR_ID(87, "mipi_dsi_phy"),
CLK_MSR_ID(88, "cis2_adapt"),
CLK_MSR_ID(89, "hdmi_todig"),
CLK_MSR_ID(90, "hdmitx_sys"),
CLK_MSR_ID(91, "nna_core"),
CLK_MSR_ID(92, "nna_axi"),
CLK_MSR_ID(93, "vad"),
CLK_MSR_ID(94, "eth_phy_rx"),
CLK_MSR_ID(95, "eth_phy_pll"),
CLK_MSR_ID(96, "vpu_b"),
CLK_MSR_ID(97, "cpu_b_tmp"),
CLK_MSR_ID(98, "ts"),
CLK_MSR_ID(99, "arm_ring_osc_out_10"),
CLK_MSR_ID(100, "arm_ring_osc_out_11"),
CLK_MSR_ID(101, "arm_ring_osc_out_12"),
CLK_MSR_ID(102, "arm_ring_osc_out_13"),
CLK_MSR_ID(103, "arm_ring_osc_out_14"),
CLK_MSR_ID(104, "arm_ring_osc_out_15"),
CLK_MSR_ID(105, "arm_ring_osc_out_16"),
CLK_MSR_ID(106, "ephy_test"),
CLK_MSR_ID(107, "au_dac_g128x"),
CLK_MSR_ID(108, "audio_locker_out"),
CLK_MSR_ID(109, "audio_locker_in"),
CLK_MSR_ID(110, "audio_tdmout_c_sclk"),
CLK_MSR_ID(111, "audio_tdmout_b_sclk"),
CLK_MSR_ID(112, "audio_tdmout_a_sclk"),
CLK_MSR_ID(113, "audio_tdmin_lb_sclk"),
CLK_MSR_ID(114, "audio_tdmin_c_sclk"),
CLK_MSR_ID(115, "audio_tdmin_b_sclk"),
CLK_MSR_ID(116, "audio_tdmin_a_sclk"),
CLK_MSR_ID(117, "audio_resample"),
CLK_MSR_ID(118, "audio_pdm_sys"),
CLK_MSR_ID(119, "audio_spdifout_b"),
CLK_MSR_ID(120, "audio_spdifout"),
CLK_MSR_ID(121, "audio_spdifin"),
CLK_MSR_ID(122, "audio_pdm_dclk"),
CLK_MSR_ID(123, "audio_resampled"),
CLK_MSR_ID(124, "earcrx_pll"),
CLK_MSR_ID(125, "earcrx_pll_test"),
CLK_MSR_ID(126, "csi_phy0"),
CLK_MSR_ID(127, "csi2_data"),
};
static const struct meson_msr_id clk_msr_c3[] = {
CLK_MSR_ID(0, "sys_clk"),
CLK_MSR_ID(1, "axi_clk"),
CLK_MSR_ID(2, "rtc_clk"),
CLK_MSR_ID(3, "p20_usb2_ckout"),
CLK_MSR_ID(4, "eth_mpll_test"),
CLK_MSR_ID(5, "sys_pll"),
CLK_MSR_ID(6, "cpu_clk_div16"),
CLK_MSR_ID(7, "ts_pll"),
CLK_MSR_ID(8, "fclk_div2"),
CLK_MSR_ID(9, "fclk_div2p5"),
CLK_MSR_ID(10, "fclk_div3"),
CLK_MSR_ID(11, "fclk_div4"),
CLK_MSR_ID(12, "fclk_div5"),
CLK_MSR_ID(13, "fclk_div7"),
CLK_MSR_ID(15, "fclk_50m"),
CLK_MSR_ID(16, "sys_oscin32k_i"),
CLK_MSR_ID(17, "mclk_pll"),
CLK_MSR_ID(19, "hifi_pll"),
CLK_MSR_ID(20, "gp0_pll"),
CLK_MSR_ID(21, "gp1_pll"),
CLK_MSR_ID(22, "eth_mppll_50m_ckout"),
CLK_MSR_ID(23, "sys_pll_div16"),
CLK_MSR_ID(24, "ddr_dpll_pt_clk"),
CLK_MSR_ID(26, "nna_core"),
CLK_MSR_ID(27, "rtc_sec_pulse_out"),
CLK_MSR_ID(28, "rtc_osc_clk_out"),
CLK_MSR_ID(29, "debug_in_clk"),
CLK_MSR_ID(30, "mod_eth_phy_ref_clk"),
CLK_MSR_ID(31, "mod_eth_tx_clk"),
CLK_MSR_ID(32, "eth_125m"),
CLK_MSR_ID(33, "eth_rmii"),
CLK_MSR_ID(34, "co_clkin_to_mac"),
CLK_MSR_ID(36, "co_rx_clk"),
CLK_MSR_ID(37, "co_tx_clk"),
CLK_MSR_ID(38, "eth_phy_rxclk"),
CLK_MSR_ID(39, "eth_phy_plltxclk"),
CLK_MSR_ID(40, "ephy_test_clk"),
CLK_MSR_ID(66, "vapb"),
CLK_MSR_ID(67, "ge2d"),
CLK_MSR_ID(68, "dewarpa"),
CLK_MSR_ID(70, "mipi_dsi_meas"),
CLK_MSR_ID(71, "dsi_phy"),
CLK_MSR_ID(79, "rama"),
CLK_MSR_ID(94, "vc9000e_core"),
CLK_MSR_ID(95, "vc9000e_sys"),
CLK_MSR_ID(96, "vc9000e_aclk"),
CLK_MSR_ID(97, "hcodec"),
CLK_MSR_ID(106, "deskew_pll_clk_div32_out"),
CLK_MSR_ID(107, "mipi_csi_phy_clk_out[0]"),
CLK_MSR_ID(108, "mipi_csi_phy_clk_out[1]"),
CLK_MSR_ID(110, "spifc"),
CLK_MSR_ID(111, "saradc"),
CLK_MSR_ID(112, "ts"),
CLK_MSR_ID(113, "sd_emmc_c"),
CLK_MSR_ID(114, "sd_emmc_b"),
CLK_MSR_ID(115, "sd_emmc_a"),
CLK_MSR_ID(116, "gpio_msr_clk"),
CLK_MSR_ID(117, "spicc_b"),
CLK_MSR_ID(118, "spicc_a"),
CLK_MSR_ID(122, "mod_audio_pdm_dclk_o"),
CLK_MSR_ID(124, "o_earcrx_dmac_clk"),
CLK_MSR_ID(125, "o_earcrx_cmdc_clk"),
CLK_MSR_ID(126, "o_earctx_dmac_clk"),
CLK_MSR_ID(127, "o_earctx_cmdc_clk"),
CLK_MSR_ID(128, "o_tohdmitx_bclk"),
CLK_MSR_ID(129, "o_tohdmitx_mclk"),
CLK_MSR_ID(130, "o_tohdmitx_spdif_clk"),
CLK_MSR_ID(131, "o_toacodec_bclk"),
CLK_MSR_ID(132, "o_toacodec_mclk"),
CLK_MSR_ID(133, "o_spdifout_b_mst_clk"),
CLK_MSR_ID(134, "o_spdifout_mst_clk"),
CLK_MSR_ID(135, "o_spdifin_mst_clk"),
CLK_MSR_ID(136, "o_audio_mclk"),
CLK_MSR_ID(137, "o_vad_clk"),
CLK_MSR_ID(138, "o_tdmout_d_sclk"),
CLK_MSR_ID(139, "o_tdmout_c_sclk"),
CLK_MSR_ID(140, "o_tdmout_b_sclk"),
CLK_MSR_ID(141, "o_tdmout_a_sclk"),
CLK_MSR_ID(142, "o_tdminb_1b_sclk"),
CLK_MSR_ID(143, "o_tdmin_1b_sclk"),
CLK_MSR_ID(144, "o_tdmin_d_sclk"),
CLK_MSR_ID(145, "o_tdmin_c_sclk"),
CLK_MSR_ID(146, "o_tdmin_b_sclk"),
CLK_MSR_ID(147, "o_tdmin_a_sclk"),
CLK_MSR_ID(148, "o_resampleb_clk"),
CLK_MSR_ID(149, "o_resamplea_clk"),
CLK_MSR_ID(150, "o_pdmb_sysclk"),
CLK_MSR_ID(151, "o_pdmb_dclk"),
CLK_MSR_ID(152, "o_pdm_sysclk"),
CLK_MSR_ID(153, "o_pdm_dclk"),
CLK_MSR_ID(154, "c_alockerb_out_clk"),
CLK_MSR_ID(155, "c_alockerb_in_clk"),
CLK_MSR_ID(156, "c_alocker_out_clk"),
CLK_MSR_ID(157, "c_alocker_in_clk"),
CLK_MSR_ID(158, "audio_mst_clk[34]"),
CLK_MSR_ID(159, "audio_mst_clk[35]"),
CLK_MSR_ID(160, "pwm_n"),
CLK_MSR_ID(161, "pwm_m"),
CLK_MSR_ID(162, "pwm_l"),
CLK_MSR_ID(163, "pwm_k"),
CLK_MSR_ID(164, "pwm_j"),
CLK_MSR_ID(165, "pwm_i"),
CLK_MSR_ID(166, "pwm_h"),
CLK_MSR_ID(167, "pwm_g"),
CLK_MSR_ID(168, "pwm_f"),
CLK_MSR_ID(169, "pwm_e"),
CLK_MSR_ID(170, "pwm_d"),
CLK_MSR_ID(171, "pwm_c"),
CLK_MSR_ID(172, "pwm_b"),
CLK_MSR_ID(173, "pwm_a"),
CLK_MSR_ID(174, "AU_DAC1_CLK_TO_GPIO"),
CLK_MSR_ID(175, "AU_ADC_CLK_TO_GPIO"),
CLK_MSR_ID(176, "rng_ring_osc_clk[0]"),
CLK_MSR_ID(177, "rng_ring_osc_clk[1]"),
CLK_MSR_ID(178, "rng_ring_osc_clk[2]"),
CLK_MSR_ID(179, "rng_ring_osc_clk[3]"),
CLK_MSR_ID(180, "sys_cpu_ring_osc_clk[0]"),
CLK_MSR_ID(181, "sys_cpu_ring_osc_clk[1]"),
CLK_MSR_ID(182, "sys_cpu_ring_osc_clk[2]"),
CLK_MSR_ID(183, "sys_cpu_ring_osc_clk[3]"),
CLK_MSR_ID(184, "sys_cpu_ring_osc_clk[4]"),
CLK_MSR_ID(185, "sys_cpu_ring_osc_clk[5]"),
CLK_MSR_ID(186, "sys_cpu_ring_osc_clk[6]"),
CLK_MSR_ID(187, "sys_cpu_ring_osc_clk[7]"),
CLK_MSR_ID(188, "sys_cpu_ring_osc_clk[8]"),
CLK_MSR_ID(189, "sys_cpu_ring_osc_clk[9]"),
CLK_MSR_ID(190, "sys_cpu_ring_osc_clk[10]"),
CLK_MSR_ID(191, "sys_cpu_ring_osc_clk[11]"),
CLK_MSR_ID(192, "am_ring_osc_clk_out[12](dmc)"),
CLK_MSR_ID(193, "am_ring_osc_clk_out[13](rama)"),
CLK_MSR_ID(194, "am_ring_osc_clk_out[14](nna)"),
CLK_MSR_ID(195, "am_ring_osc_clk_out[15](nna)"),
CLK_MSR_ID(200, "rng_ring_osc_clk_1[0]"),
CLK_MSR_ID(201, "rng_ring_osc_clk_1[1]"),
CLK_MSR_ID(202, "rng_ring_osc_clk_1[2]"),
CLK_MSR_ID(203, "rng_ring_osc_clk_1[3]"),
};
static const struct meson_msr_id clk_msr_s4[] = {
CLK_MSR_ID(0, "sys_clk"),
CLK_MSR_ID(1, "axi_clk"),
CLK_MSR_ID(2, "rtc_clk"),
CLK_MSR_ID(5, "mali"),
CLK_MSR_ID(6, "cpu_clk_div16"),
CLK_MSR_ID(7, "ceca_clk"),
CLK_MSR_ID(8, "cecb_clk"),
CLK_MSR_ID(10, "fclk_div5"),
CLK_MSR_ID(11, "mpll0"),
CLK_MSR_ID(12, "mpll1"),
CLK_MSR_ID(13, "mpll2"),
CLK_MSR_ID(14, "mpll3"),
CLK_MSR_ID(15, "fclk_50m"),
CLK_MSR_ID(16, "pcie_clk_inp"),
CLK_MSR_ID(17, "pcie_clk_inn"),
CLK_MSR_ID(18, "mpll_clk_test_out"),
CLK_MSR_ID(19, "hifi_pll"),
CLK_MSR_ID(20, "gp0_pll"),
CLK_MSR_ID(21, "gp1_pll"),
CLK_MSR_ID(22, "eth_mppll_50m_ckout"),
CLK_MSR_ID(23, "sys_pll_div16"),
CLK_MSR_ID(24, "ddr_dpll_pt_clk"),
CLK_MSR_ID(30, "mod_eth_phy_ref_clk"),
CLK_MSR_ID(31, "mod_eth_tx_clk"),
CLK_MSR_ID(32, "eth_125m"),
CLK_MSR_ID(33, "eth_rmii"),
CLK_MSR_ID(34, "co_clkin_to_mac"),
CLK_MSR_ID(35, "mod_eth_rx_clk_rmii"),
CLK_MSR_ID(36, "co_rx_clk"),
CLK_MSR_ID(37, "co_tx_clk"),
CLK_MSR_ID(38, "eth_phy_rxclk"),
CLK_MSR_ID(39, "eth_phy_plltxclk"),
CLK_MSR_ID(40, "ephy_test_clk"),
CLK_MSR_ID(50, "vid_pll_div_clk_out"),
CLK_MSR_ID(51, "enci"),
CLK_MSR_ID(52, "encp"),
CLK_MSR_ID(53, "encl"),
CLK_MSR_ID(54, "vdac"),
CLK_MSR_ID(55, "cdac_clk_c"),
CLK_MSR_ID(56, "mod_tcon_clko"),
CLK_MSR_ID(57, "lcd_an_clk_ph2"),
CLK_MSR_ID(58, "lcd_an_clk_ph3"),
CLK_MSR_ID(59, "hdmitx_pixel"),
CLK_MSR_ID(60, "vdin_meas"),
CLK_MSR_ID(61, "vpu"),
CLK_MSR_ID(62, "vpu_clkb"),
CLK_MSR_ID(63, "vpu_clkb_tmp"),
CLK_MSR_ID(64, "vpu_clkc"),
CLK_MSR_ID(65, "vid_lock"),
CLK_MSR_ID(66, "vapb"),
CLK_MSR_ID(67, "ge2d"),
CLK_MSR_ID(68, "cts_hdcp22_esmclk"),
CLK_MSR_ID(69, "cts_hdcp22_skpclk"),
CLK_MSR_ID(76, "hdmitx_tmds"),
CLK_MSR_ID(77, "hdmitx_sys_clk"),
CLK_MSR_ID(78, "hdmitx_fe_clk"),
CLK_MSR_ID(79, "rama"),
CLK_MSR_ID(93, "vdec"),
CLK_MSR_ID(99, "hevcf"),
CLK_MSR_ID(100, "demod_core"),
CLK_MSR_ID(101, "adc_extclk_in"),
CLK_MSR_ID(102, "cts_demod_core_t2_clk"),
CLK_MSR_ID(103, "adc_dpll_intclk"),
CLK_MSR_ID(104, "adc_dpll_clk_b3"),
CLK_MSR_ID(105, "s2_adc_clk"),
CLK_MSR_ID(106, "deskew_pll_clk_div32_out"),
CLK_MSR_ID(110, "sc"),
CLK_MSR_ID(111, "sar_adc"),
CLK_MSR_ID(113, "sd_emmc_c"),
CLK_MSR_ID(114, "sd_emmc_b"),
CLK_MSR_ID(115, "sd_emmc_a"),
CLK_MSR_ID(116, "gpio_msr_clk"),
CLK_MSR_ID(118, "spicc0"),
CLK_MSR_ID(121, "ts"),
CLK_MSR_ID(130, "audio_vad_clk"),
CLK_MSR_ID(131, "acodec_dac_clk_x128"),
CLK_MSR_ID(132, "audio_locker_in_clk"),
CLK_MSR_ID(133, "audio_locker_out_clk"),
CLK_MSR_ID(134, "audio_tdmout_c_sclk"),
CLK_MSR_ID(135, "audio_tdmout_b_sclk"),
CLK_MSR_ID(136, "audio_tdmout_a_sclk"),
CLK_MSR_ID(137, "audio_tdmin_lb_sclk"),
CLK_MSR_ID(138, "audio_tdmin_c_sclk"),
CLK_MSR_ID(139, "audio_tdmin_b_sclk"),
CLK_MSR_ID(140, "audio_tdmin_a_sclk"),
CLK_MSR_ID(141, "audio_resamplea_clk"),
CLK_MSR_ID(142, "audio_pdm_sysclk"),
CLK_MSR_ID(143, "audio_spdifout_b_mst_clk"),
CLK_MSR_ID(144, "audio_spdifout_mst_clk"),
CLK_MSR_ID(145, "audio_spdifin_mst_clk"),
CLK_MSR_ID(146, "audio_pdm_dclk"),
CLK_MSR_ID(147, "audio_resampleb_clk"),
CLK_MSR_ID(160, "pwm_j"),
CLK_MSR_ID(161, "pwm_i"),
CLK_MSR_ID(162, "pwm_h"),
CLK_MSR_ID(163, "pwm_g"),
CLK_MSR_ID(164, "pwm_f"),
CLK_MSR_ID(165, "pwm_e"),
CLK_MSR_ID(166, "pwm_d"),
CLK_MSR_ID(167, "pwm_c"),
CLK_MSR_ID(168, "pwm_b"),
CLK_MSR_ID(169, "pwm_a"),
CLK_MSR_ID(176, "rng_ring_0"),
CLK_MSR_ID(177, "rng_ring_1"),
CLK_MSR_ID(178, "rng_ring_2"),
CLK_MSR_ID(179, "rng_ring_3"),
CLK_MSR_ID(180, "dmc_osc_ring(LVT16)"),
CLK_MSR_ID(181, "gpu_osc_ring0(LVT16)"),
CLK_MSR_ID(182, "gpu_osc_ring1(ULVT16)"),
CLK_MSR_ID(183, "gpu_osc_ring2(SLVT16)"),
CLK_MSR_ID(184, "vpu_osc_ring0(SVT24)"),
CLK_MSR_ID(185, "vpu_osc_ring1(LVT20)"),
CLK_MSR_ID(186, "vpu_osc_ring2(LVT16)"),
CLK_MSR_ID(187, "dos_osc_ring0(SVT24)"),
CLK_MSR_ID(188, "dos_osc_ring1(SVT16)"),
CLK_MSR_ID(189, "dos_osc_ring2(LVT16)"),
CLK_MSR_ID(190, "dos_osc_ring3(ULVT20)"),
CLK_MSR_ID(192, "axi_sram_osc_ring(SVT16)"),
CLK_MSR_ID(193, "demod_osc_ring0"),
CLK_MSR_ID(194, "demod_osc_ring1"),
CLK_MSR_ID(195, "sar_osc_ring"),
CLK_MSR_ID(196, "sys_cpu_osc_ring0"),
CLK_MSR_ID(197, "sys_cpu_osc_ring1"),
CLK_MSR_ID(198, "sys_cpu_osc_ring2"),
CLK_MSR_ID(199, "sys_cpu_osc_ring3"),
CLK_MSR_ID(200, "sys_cpu_osc_ring4"),
CLK_MSR_ID(201, "sys_cpu_osc_ring5"),
CLK_MSR_ID(202, "sys_cpu_osc_ring6"),
CLK_MSR_ID(203, "sys_cpu_osc_ring7"),
CLK_MSR_ID(204, "sys_cpu_osc_ring8"),
CLK_MSR_ID(205, "sys_cpu_osc_ring9"),
CLK_MSR_ID(206, "sys_cpu_osc_ring10"),
CLK_MSR_ID(207, "sys_cpu_osc_ring11"),
CLK_MSR_ID(208, "sys_cpu_osc_ring12"),
CLK_MSR_ID(209, "sys_cpu_osc_ring13"),
CLK_MSR_ID(210, "sys_cpu_osc_ring14"),
CLK_MSR_ID(211, "sys_cpu_osc_ring15"),
CLK_MSR_ID(212, "sys_cpu_osc_ring16"),
CLK_MSR_ID(213, "sys_cpu_osc_ring17"),
CLK_MSR_ID(214, "sys_cpu_osc_ring18"),
CLK_MSR_ID(215, "sys_cpu_osc_ring19"),
CLK_MSR_ID(216, "sys_cpu_osc_ring20"),
CLK_MSR_ID(217, "sys_cpu_osc_ring21"),
CLK_MSR_ID(218, "sys_cpu_osc_ring22"),
CLK_MSR_ID(219, "sys_cpu_osc_ring23"),
CLK_MSR_ID(220, "sys_cpu_osc_ring24"),
CLK_MSR_ID(221, "sys_cpu_osc_ring25"),
CLK_MSR_ID(222, "sys_cpu_osc_ring26"),
CLK_MSR_ID(223, "sys_cpu_osc_ring27"),
};
static int meson_measure_id(struct meson_msr_id *clk_msr_id,
unsigned int duration)
{
struct meson_msr *priv = clk_msr_id->priv;
const struct msr_reg_offset *reg = priv->data.reg;
unsigned int val;
int ret;
ret = mutex_lock_interruptible(&measure_lock);
if (ret)
return ret;
regmap_write(priv->regmap, reg->freq_ctrl, 0);
/* Set measurement duration */
regmap_update_bits(priv->regmap, reg->freq_ctrl, MSR_DURATION,
FIELD_PREP(MSR_DURATION, duration - 1));
/* Set ID */
regmap_update_bits(priv->regmap, reg->freq_ctrl, MSR_CLK_SRC,
FIELD_PREP(MSR_CLK_SRC, clk_msr_id->id));
/* Enable & Start */
regmap_update_bits(priv->regmap, reg->freq_ctrl,
MSR_RUN | MSR_ENABLE,
MSR_RUN | MSR_ENABLE);
ret = regmap_read_poll_timeout(priv->regmap, reg->freq_ctrl,
val, !(val & MSR_BUSY), 10, 10000);
if (ret) {
mutex_unlock(&measure_lock);
return ret;
}
/* Disable */
regmap_update_bits(priv->regmap, reg->freq_ctrl, MSR_ENABLE, 0);
/* Get the value in multiple of gate time counts */
regmap_read(priv->regmap, reg->freq_val, &val);
mutex_unlock(&measure_lock);
if (val >= MSR_VAL_MASK)
return -EINVAL;
return DIV_ROUND_CLOSEST_ULL((val & MSR_VAL_MASK) * 1000000ULL,
duration);
}
static int meson_measure_best_id(struct meson_msr_id *clk_msr_id,
unsigned int *precision)
{
unsigned int duration = DIV_MAX;
int ret;
/* Start from max duration and down to min duration */
do {
ret = meson_measure_id(clk_msr_id, duration);
if (ret >= 0)
*precision = (2 * 1000000) / duration;
else
duration -= DIV_STEP;
} while (duration >= DIV_MIN && ret == -EINVAL);
return ret;
}
static int clk_msr_show(struct seq_file *s, void *data)
{
struct meson_msr_id *clk_msr_id = s->private;
unsigned int precision = 0;
int val;
val = meson_measure_best_id(clk_msr_id, &precision);
if (val < 0)
return val;
seq_printf(s, "%d\t+/-%dHz\n", val, precision);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(clk_msr);
static int clk_msr_summary_show(struct seq_file *s, void *data)
{
struct meson_msr_id *msr_table = s->private;
unsigned int msr_count = msr_table->priv->data.msr_count;
unsigned int precision = 0;
int val, i;
seq_puts(s, " clock rate precision\n");
seq_puts(s, "---------------------------------------------\n");
for (i = 0 ; i < msr_count ; ++i) {
if (!msr_table[i].name)
continue;
val = meson_measure_best_id(&msr_table[i], &precision);
if (val < 0)
return val;
seq_printf(s, " %-20s %10d +/-%dHz\n",
msr_table[i].name, val, precision);
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(clk_msr_summary);
static struct regmap_config meson_clk_msr_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
};
static int meson_msr_probe(struct platform_device *pdev)
{
const struct meson_msr_data *match_data;
struct meson_msr *priv;
struct dentry *root, *clks;
struct resource *res;
void __iomem *base;
int i;
priv = devm_kzalloc(&pdev->dev, sizeof(struct meson_msr),
GFP_KERNEL);
if (!priv)
return -ENOMEM;
match_data = device_get_match_data(&pdev->dev);
if (!match_data) {
dev_err(&pdev->dev, "failed to get match data\n");
return -ENODEV;
}
priv->data.msr_table = devm_kcalloc(&pdev->dev,
match_data->msr_count,
sizeof(struct meson_msr_id),
GFP_KERNEL);
if (!priv->data.msr_table)
return -ENOMEM;
memcpy(priv->data.msr_table, match_data->msr_table,
match_data->msr_count * sizeof(struct meson_msr_id));
priv->data.msr_count = match_data->msr_count;
base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(base))
return PTR_ERR(base);
meson_clk_msr_regmap_config.max_register = resource_size(res) - 4;
priv->regmap = devm_regmap_init_mmio(&pdev->dev, base,
&meson_clk_msr_regmap_config);
if (IS_ERR(priv->regmap))
return PTR_ERR(priv->regmap);
priv->data.reg = devm_kzalloc(&pdev->dev, sizeof(struct msr_reg_offset),
GFP_KERNEL);
if (!priv->data.reg)
return -ENOMEM;
memcpy((void *)priv->data.reg, match_data->reg,
sizeof(struct msr_reg_offset));
root = debugfs_create_dir("meson-clk-msr", NULL);
clks = debugfs_create_dir("clks", root);
debugfs_create_file("measure_summary", 0444, root,
priv->data.msr_table, &clk_msr_summary_fops);
for (i = 0 ; i < priv->data.msr_count ; ++i) {
if (!priv->data.msr_table[i].name)
continue;
priv->data.msr_table[i].priv = priv;
debugfs_create_file(priv->data.msr_table[i].name, 0444, clks,
&priv->data.msr_table[i], &clk_msr_fops);
}
return 0;
}
static const struct msr_reg_offset msr_reg_offset = {
.duty_val = 0x0,
.freq_ctrl = 0x4,
.duty_ctrl = 0x8,
.freq_val = 0xc,
};
static const struct meson_msr_data clk_msr_gx_data = {
.msr_table = (void *)clk_msr_gx,
.msr_count = ARRAY_SIZE(clk_msr_gx),
.reg = &msr_reg_offset,
};
static const struct meson_msr_data clk_msr_m8_data = {
.msr_table = (void *)clk_msr_m8,
.msr_count = ARRAY_SIZE(clk_msr_m8),
.reg = &msr_reg_offset,
};
static const struct meson_msr_data clk_msr_axg_data = {
.msr_table = (void *)clk_msr_axg,
.msr_count = ARRAY_SIZE(clk_msr_axg),
.reg = &msr_reg_offset,
};
static const struct meson_msr_data clk_msr_g12a_data = {
.msr_table = (void *)clk_msr_g12a,
.msr_count = ARRAY_SIZE(clk_msr_g12a),
.reg = &msr_reg_offset,
};
static const struct meson_msr_data clk_msr_sm1_data = {
.msr_table = (void *)clk_msr_sm1,
.msr_count = ARRAY_SIZE(clk_msr_sm1),
.reg = &msr_reg_offset,
};
static const struct msr_reg_offset msr_reg_offset_v2 = {
.freq_ctrl = 0x0,
.duty_ctrl = 0x4,
.freq_val = 0x8,
.duty_val = 0x18,
};
static const struct meson_msr_data clk_msr_c3_data = {
.msr_table = (void *)clk_msr_c3,
.msr_count = ARRAY_SIZE(clk_msr_c3),
.reg = &msr_reg_offset_v2,
};
static const struct meson_msr_data clk_msr_s4_data = {
.msr_table = (void *)clk_msr_s4,
.msr_count = ARRAY_SIZE(clk_msr_s4),
.reg = &msr_reg_offset_v2,
};
static const struct of_device_id meson_msr_match_table[] = {
{
.compatible = "amlogic,meson-gx-clk-measure",
.data = &clk_msr_gx_data,
},
{
.compatible = "amlogic,meson8-clk-measure",
.data = &clk_msr_m8_data,
},
{
.compatible = "amlogic,meson8b-clk-measure",
.data = &clk_msr_m8_data,
},
{
.compatible = "amlogic,meson-axg-clk-measure",
.data = &clk_msr_axg_data,
},
{
.compatible = "amlogic,meson-g12a-clk-measure",
.data = &clk_msr_g12a_data,
},
{
.compatible = "amlogic,meson-sm1-clk-measure",
.data = &clk_msr_sm1_data,
},
{
.compatible = "amlogic,c3-clk-measure",
.data = &clk_msr_c3_data,
},
{
.compatible = "amlogic,s4-clk-measure",
.data = &clk_msr_s4_data,
},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, meson_msr_match_table);
static struct platform_driver meson_msr_driver = {
.probe = meson_msr_probe,
.driver = {
.name = "meson_msr",
.of_match_table = meson_msr_match_table,
},
};
module_platform_driver(meson_msr_driver);
MODULE_DESCRIPTION("Amlogic Meson SoC Clock Measure driver");
MODULE_LICENSE("GPL v2");
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