// 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) \static const struct meson_msr_id clk_msr_m8[] = {0 , "ring_osc_out_ee0" ),1 , "ring_osc_out_ee1" ),2 , "ring_osc_out_ee2" ),3 , "a9_ring_osck" ),6 , "vid_pll" ),7 , "clk81" ),8 , "encp" ),9 , "encl" ),11 , "eth_rmii" ),13 , "amclk" ),14 , "fec_clk_0" ),15 , "fec_clk_1" ),16 , "fec_clk_2" ),18 , "a9_clk_div16" ),19 , "hdmi_sys" ),20 , "rtc_osc_clk_out" ),21 , "i2s_clk_in_src0" ),22 , "clk_rmii_from_pad" ),23 , "hdmi_ch0_tmds" ),24 , "lvds_fifo" ),26 , "sc_clk_int" ),28 , "sar_adc" ),30 , "mpll_clk_test_out" ),31 , "audac_clkpi" ),32 , "vdac" ),33 , "sdhc_rx" ),34 , "sdhc_sd" ),35 , "mali" ),36 , "hdmi_tx_pixel" ),38 , "vdin_meas" ),39 , "pcm_sclk" ),40 , "pcm_mclk" ),41 , "eth_rx_tx" ),42 , "pwm_d" ),43 , "pwm_c" ),44 , "pwm_b" ),45 , "pwm_a" ),46 , "pcm2_sclk" ),47 , "ddr_dpll_pt" ),48 , "pwm_f" ),49 , "pwm_e" ),59 , "hcodec" ),60 , "usb_32k_alt" ),61 , "gpio" ),62 , "vid2_pll" ),63 , "mipi_csi_cfg" ),static const struct meson_msr_id clk_msr_gx[] = {0 , "ring_osc_out_ee_0" ),1 , "ring_osc_out_ee_1" ),2 , "ring_osc_out_ee_2" ),3 , "a53_ring_osc" ),4 , "gp0_pll" ),6 , "enci" ),7 , "clk81" ),8 , "encp" ),9 , "encl" ),10 , "vdac" ),11 , "rgmii_tx" ),12 , "pdm" ),13 , "amclk" ),14 , "fec_0" ),15 , "fec_1" ),16 , "fec_2" ),17 , "sys_pll_div16" ),18 , "sys_cpu_div16" ),19 , "hdmitx_sys" ),20 , "rtc_osc_out" ),21 , "i2s_in_src0" ),22 , "eth_phy_ref" ),23 , "hdmi_todig" ),26 , "sc_int" ),28 , "sar_adc" ),31 , "mpll_test_out" ),32 , "vdec" ),35 , "mali" ),36 , "hdmi_tx_pixel" ),37 , "i958" ),38 , "vdin_meas" ),39 , "pcm_sclk" ),40 , "pcm_mclk" ),41 , "eth_rx_or_rmii" ),42 , "mp0_out" ),43 , "fclk_div5" ),44 , "pwm_b" ),45 , "pwm_a" ),46 , "vpu" ),47 , "ddr_dpll_pt" ),48 , "mp1_out" ),49 , "mp2_out" ),50 , "mp3_out" ),51 , "nand_core" ),52 , "sd_emmc_b" ),53 , "sd_emmc_a" ),55 , "vid_pll_div_out" ),56 , "cci" ),57 , "wave420l_c" ),58 , "wave420l_b" ),59 , "hcodec" ),60 , "alt_32k" ),61 , "gpio_msr" ),62 , "hevc" ),66 , "vid_lock" ),70 , "pwm_f" ),71 , "pwm_e" ),72 , "pwm_d" ),73 , "pwm_c" ),75 , "aoclkx2_int" ),76 , "aoclk_int" ),77 , "rng_ring_osc_0" ),78 , "rng_ring_osc_1" ),79 , "rng_ring_osc_2" ),80 , "rng_ring_osc_3" ),81 , "vapb" ),82 , "ge2d" ),static const struct meson_msr_id clk_msr_axg[] = {0 , "ring_osc_out_ee_0" ),1 , "ring_osc_out_ee_1" ),2 , "ring_osc_out_ee_2" ),3 , "a53_ring_osc" ),4 , "gp0_pll" ),5 , "gp1_pll" ),7 , "clk81" ),9 , "encl" ),17 , "sys_pll_div16" ),18 , "sys_cpu_div16" ),20 , "rtc_osc_out" ),23 , "mmc_clk" ),28 , "sar_adc" ),31 , "mpll_test_out" ),40 , "mod_eth_tx_clk" ),41 , "mod_eth_rx_clk_rmii" ),42 , "mp0_out" ),43 , "fclk_div5" ),44 , "pwm_b" ),45 , "pwm_a" ),46 , "vpu" ),47 , "ddr_dpll_pt" ),48 , "mp1_out" ),49 , "mp2_out" ),50 , "mp3_out" ),51 , "sd_emmm_c" ),52 , "sd_emmc_b" ),61 , "gpio_msr" ),66 , "audio_slv_lrclk_c" ),67 , "audio_slv_lrclk_b" ),68 , "audio_slv_lrclk_a" ),69 , "audio_slv_sclk_c" ),70 , "audio_slv_sclk_b" ),71 , "audio_slv_sclk_a" ),72 , "pwm_d" ),73 , "pwm_c" ),74 , "wifi_beacon" ),75 , "tdmin_lb_lrcl" ),76 , "tdmin_lb_sclk" ),77 , "rng_ring_osc_0" ),78 , "rng_ring_osc_1" ),79 , "rng_ring_osc_2" ),80 , "rng_ring_osc_3" ),81 , "vapb" ),82 , "ge2d" ),84 , "audio_resample" ),85 , "audio_pdm_sys" ),86 , "audio_spdifout" ),87 , "audio_spdifin" ),88 , "audio_lrclk_f" ),89 , "audio_lrclk_e" ),90 , "audio_lrclk_d" ),91 , "audio_lrclk_c" ),92 , "audio_lrclk_b" ),93 , "audio_lrclk_a" ),94 , "audio_sclk_f" ),95 , "audio_sclk_e" ),96 , "audio_sclk_d" ),97 , "audio_sclk_c" ),98 , "audio_sclk_b" ),99 , "audio_sclk_a" ),100 , "audio_mclk_f" ),101 , "audio_mclk_e" ),102 , "audio_mclk_d" ),103 , "audio_mclk_c" ),104 , "audio_mclk_b" ),105 , "audio_mclk_a" ),106 , "pcie_refclk_n" ),107 , "pcie_refclk_p" ),108 , "audio_locker_out" ),109 , "audio_locker_in" ),static const struct meson_msr_id clk_msr_g12a[] = {0 , "ring_osc_out_ee_0" ),1 , "ring_osc_out_ee_1" ),2 , "ring_osc_out_ee_2" ),3 , "sys_cpu_ring_osc" ),4 , "gp0_pll" ),6 , "enci" ),7 , "clk81" ),8 , "encp" ),9 , "encl" ),10 , "vdac" ),11 , "eth_tx" ),12 , "hifi_pll" ),13 , "mod_tcon" ),14 , "fec_0" ),15 , "fec_1" ),16 , "fec_2" ),17 , "sys_pll_div16" ),18 , "sys_cpu_div16" ),19 , "lcd_an_ph2" ),20 , "rtc_osc_out" ),21 , "lcd_an_ph3" ),22 , "eth_phy_ref" ),23 , "mpll_50m" ),24 , "eth_125m" ),25 , "eth_rmii" ),26 , "sc_int" ),27 , "in_mac" ),28 , "sar_adc" ),29 , "pcie_inp" ),30 , "pcie_inn" ),31 , "mpll_test_out" ),32 , "vdec" ),33 , "sys_cpu_ring_osc_1" ),34 , "eth_mpll_50m" ),35 , "mali" ),36 , "hdmi_tx_pixel" ),37 , "cdac" ),38 , "vdin_meas" ),39 , "bt656" ),41 , "eth_rx_or_rmii" ),42 , "mp0_out" ),43 , "fclk_div5" ),44 , "pwm_b" ),45 , "pwm_a" ),46 , "vpu" ),47 , "ddr_dpll_pt" ),48 , "mp1_out" ),49 , "mp2_out" ),50 , "mp3_out" ),51 , "sd_emmc_c" ),52 , "sd_emmc_b" ),53 , "sd_emmc_a" ),54 , "vpu_clkc" ),55 , "vid_pll_div_out" ),56 , "wave420l_a" ),57 , "wave420l_c" ),58 , "wave420l_b" ),59 , "hcodec" ),61 , "gpio_msr" ),62 , "hevcb" ),63 , "dsi_meas" ),64 , "spicc_1" ),65 , "spicc_0" ),66 , "vid_lock" ),67 , "dsi_phy" ),68 , "hdcp22_esm" ),69 , "hdcp22_skp" ),70 , "pwm_f" ),71 , "pwm_e" ),72 , "pwm_d" ),73 , "pwm_c" ),75 , "hevcf" ),77 , "rng_ring_osc_0" ),78 , "rng_ring_osc_1" ),79 , "rng_ring_osc_2" ),80 , "rng_ring_osc_3" ),81 , "vapb" ),82 , "ge2d" ),83 , "co_rx" ),84 , "co_tx" ),89 , "hdmi_todig" ),90 , "hdmitx_sys" ),91 , "sys_cpub_div16" ),92 , "sys_pll_cpub_div16" ),94 , "eth_phy_rx" ),95 , "eth_phy_pll" ),96 , "vpu_b" ),97 , "cpu_b_tmp" ),98 , "ts" ),99 , "ring_osc_out_ee_3" ),100 , "ring_osc_out_ee_4" ),101 , "ring_osc_out_ee_5" ),102 , "ring_osc_out_ee_6" ),103 , "ring_osc_out_ee_7" ),104 , "ring_osc_out_ee_8" ),105 , "ring_osc_out_ee_9" ),106 , "ephy_test" ),107 , "au_dac_g128x" ),108 , "audio_locker_out" ),109 , "audio_locker_in" ),110 , "audio_tdmout_c_sclk" ),111 , "audio_tdmout_b_sclk" ),112 , "audio_tdmout_a_sclk" ),113 , "audio_tdmin_lb_sclk" ),114 , "audio_tdmin_c_sclk" ),115 , "audio_tdmin_b_sclk" ),116 , "audio_tdmin_a_sclk" ),117 , "audio_resample" ),118 , "audio_pdm_sys" ),119 , "audio_spdifout_b" ),120 , "audio_spdifout" ),121 , "audio_spdifin" ),122 , "audio_pdm_dclk" ),static const struct meson_msr_id clk_msr_sm1[] = {0 , "ring_osc_out_ee_0" ),1 , "ring_osc_out_ee_1" ),2 , "ring_osc_out_ee_2" ),3 , "ring_osc_out_ee_3" ),4 , "gp0_pll" ),5 , "gp1_pll" ),6 , "enci" ),7 , "clk81" ),8 , "encp" ),9 , "encl" ),10 , "vdac" ),11 , "eth_tx" ),12 , "hifi_pll" ),13 , "mod_tcon" ),14 , "fec_0" ),15 , "fec_1" ),16 , "fec_2" ),17 , "sys_pll_div16" ),18 , "sys_cpu_div16" ),19 , "lcd_an_ph2" ),20 , "rtc_osc_out" ),21 , "lcd_an_ph3" ),22 , "eth_phy_ref" ),23 , "mpll_50m" ),24 , "eth_125m" ),25 , "eth_rmii" ),26 , "sc_int" ),27 , "in_mac" ),28 , "sar_adc" ),29 , "pcie_inp" ),30 , "pcie_inn" ),31 , "mpll_test_out" ),32 , "vdec" ),34 , "eth_mpll_50m" ),35 , "mali" ),36 , "hdmi_tx_pixel" ),37 , "cdac" ),38 , "vdin_meas" ),39 , "bt656" ),40 , "arm_ring_osc_out_4" ),41 , "eth_rx_or_rmii" ),42 , "mp0_out" ),43 , "fclk_div5" ),44 , "pwm_b" ),45 , "pwm_a" ),46 , "vpu" ),47 , "ddr_dpll_pt" ),48 , "mp1_out" ),49 , "mp2_out" ),50 , "mp3_out" ),51 , "sd_emmc_c" ),52 , "sd_emmc_b" ),53 , "sd_emmc_a" ),54 , "vpu_clkc" ),55 , "vid_pll_div_out" ),56 , "wave420l_a" ),57 , "wave420l_c" ),58 , "wave420l_b" ),59 , "hcodec" ),60 , "arm_ring_osc_out_5" ),61 , "gpio_msr" ),62 , "hevcb" ),63 , "dsi_meas" ),64 , "spicc_1" ),65 , "spicc_0" ),66 , "vid_lock" ),67 , "dsi_phy" ),68 , "hdcp22_esm" ),69 , "hdcp22_skp" ),70 , "pwm_f" ),71 , "pwm_e" ),72 , "pwm_d" ),73 , "pwm_c" ),74 , "arm_ring_osc_out_6" ),75 , "hevcf" ),76 , "arm_ring_osc_out_7" ),77 , "rng_ring_osc_0" ),78 , "rng_ring_osc_1" ),79 , "rng_ring_osc_2" ),80 , "rng_ring_osc_3" ),81 , "vapb" ),82 , "ge2d" ),83 , "co_rx" ),84 , "co_tx" ),85 , "arm_ring_osc_out_8" ),86 , "arm_ring_osc_out_9" ),87 , "mipi_dsi_phy" ),88 , "cis2_adapt" ),89 , "hdmi_todig" ),90 , "hdmitx_sys" ),91 , "nna_core" ),92 , "nna_axi" ),93 , "vad" ),94 , "eth_phy_rx" ),95 , "eth_phy_pll" ),96 , "vpu_b" ),97 , "cpu_b_tmp" ),98 , "ts" ),99 , "arm_ring_osc_out_10" ),100 , "arm_ring_osc_out_11" ),101 , "arm_ring_osc_out_12" ),102 , "arm_ring_osc_out_13" ),103 , "arm_ring_osc_out_14" ),104 , "arm_ring_osc_out_15" ),105 , "arm_ring_osc_out_16" ),106 , "ephy_test" ),107 , "au_dac_g128x" ),108 , "audio_locker_out" ),109 , "audio_locker_in" ),110 , "audio_tdmout_c_sclk" ),111 , "audio_tdmout_b_sclk" ),112 , "audio_tdmout_a_sclk" ),113 , "audio_tdmin_lb_sclk" ),114 , "audio_tdmin_c_sclk" ),115 , "audio_tdmin_b_sclk" ),116 , "audio_tdmin_a_sclk" ),117 , "audio_resample" ),118 , "audio_pdm_sys" ),119 , "audio_spdifout_b" ),120 , "audio_spdifout" ),121 , "audio_spdifin" ),122 , "audio_pdm_dclk" ),123 , "audio_resampled" ),124 , "earcrx_pll" ),125 , "earcrx_pll_test" ),126 , "csi_phy0" ),127 , "csi2_data" ),static const struct meson_msr_id clk_msr_c3[] = {0 , "sys_clk" ),1 , "axi_clk" ),2 , "rtc_clk" ),3 , "p20_usb2_ckout" ),4 , "eth_mpll_test" ),5 , "sys_pll" ),6 , "cpu_clk_div16" ),7 , "ts_pll" ),8 , "fclk_div2" ),9 , "fclk_div2p5" ),10 , "fclk_div3" ),11 , "fclk_div4" ),12 , "fclk_div5" ),13 , "fclk_div7" ),15 , "fclk_50m" ),16 , "sys_oscin32k_i" ),17 , "mclk_pll" ),19 , "hifi_pll" ),20 , "gp0_pll" ),21 , "gp1_pll" ),22 , "eth_mppll_50m_ckout" ),23 , "sys_pll_div16" ),24 , "ddr_dpll_pt_clk" ),26 , "nna_core" ),27 , "rtc_sec_pulse_out" ),28 , "rtc_osc_clk_out" ),29 , "debug_in_clk" ),30 , "mod_eth_phy_ref_clk" ),31 , "mod_eth_tx_clk" ),32 , "eth_125m" ),33 , "eth_rmii" ),34 , "co_clkin_to_mac" ),36 , "co_rx_clk" ),37 , "co_tx_clk" ),38 , "eth_phy_rxclk" ),39 , "eth_phy_plltxclk" ),40 , "ephy_test_clk" ),66 , "vapb" ),67 , "ge2d" ),68 , "dewarpa" ),70 , "mipi_dsi_meas" ),71 , "dsi_phy" ),79 , "rama" ),94 , "vc9000e_core" ),95 , "vc9000e_sys" ),96 , "vc9000e_aclk" ),97 , "hcodec" ),106 , "deskew_pll_clk_div32_out" ),107 , "mipi_csi_phy_clk_out[0]" ),108 , "mipi_csi_phy_clk_out[1]" ),110 , "spifc" ),111 , "saradc" ),112 , "ts" ),113 , "sd_emmc_c" ),114 , "sd_emmc_b" ),115 , "sd_emmc_a" ),116 , "gpio_msr_clk" ),117 , "spicc_b" ),118 , "spicc_a" ),122 , "mod_audio_pdm_dclk_o" ),124 , "o_earcrx_dmac_clk" ),125 , "o_earcrx_cmdc_clk" ),126 , "o_earctx_dmac_clk" ),127 , "o_earctx_cmdc_clk" ),128 , "o_tohdmitx_bclk" ),129 , "o_tohdmitx_mclk" ),130 , "o_tohdmitx_spdif_clk" ),131 , "o_toacodec_bclk" ),132 , "o_toacodec_mclk" ),133 , "o_spdifout_b_mst_clk" ),134 , "o_spdifout_mst_clk" ),135 , "o_spdifin_mst_clk" ),136 , "o_audio_mclk" ),137 , "o_vad_clk" ),138 , "o_tdmout_d_sclk" ),139 , "o_tdmout_c_sclk" ),140 , "o_tdmout_b_sclk" ),141 , "o_tdmout_a_sclk" ),142 , "o_tdminb_1b_sclk" ),143 , "o_tdmin_1b_sclk" ),144 , "o_tdmin_d_sclk" ),145 , "o_tdmin_c_sclk" ),146 , "o_tdmin_b_sclk" ),147 , "o_tdmin_a_sclk" ),148 , "o_resampleb_clk" ),149 , "o_resamplea_clk" ),150 , "o_pdmb_sysclk" ),151 , "o_pdmb_dclk" ),152 , "o_pdm_sysclk" ),153 , "o_pdm_dclk" ),154 , "c_alockerb_out_clk" ),155 , "c_alockerb_in_clk" ),156 , "c_alocker_out_clk" ),157 , "c_alocker_in_clk" ),158 , "audio_mst_clk[34]" ),159 , "audio_mst_clk[35]" ),160 , "pwm_n" ),161 , "pwm_m" ),162 , "pwm_l" ),163 , "pwm_k" ),164 , "pwm_j" ),165 , "pwm_i" ),166 , "pwm_h" ),167 , "pwm_g" ),168 , "pwm_f" ),169 , "pwm_e" ),170 , "pwm_d" ),171 , "pwm_c" ),172 , "pwm_b" ),173 , "pwm_a" ),174 , "AU_DAC1_CLK_TO_GPIO" ),175 , "AU_ADC_CLK_TO_GPIO" ),176 , "rng_ring_osc_clk[0]" ),177 , "rng_ring_osc_clk[1]" ),178 , "rng_ring_osc_clk[2]" ),179 , "rng_ring_osc_clk[3]" ),180 , "sys_cpu_ring_osc_clk[0]" ),181 , "sys_cpu_ring_osc_clk[1]" ),182 , "sys_cpu_ring_osc_clk[2]" ),183 , "sys_cpu_ring_osc_clk[3]" ),184 , "sys_cpu_ring_osc_clk[4]" ),185 , "sys_cpu_ring_osc_clk[5]" ),186 , "sys_cpu_ring_osc_clk[6]" ),187 , "sys_cpu_ring_osc_clk[7]" ),188 , "sys_cpu_ring_osc_clk[8]" ),189 , "sys_cpu_ring_osc_clk[9]" ),190 , "sys_cpu_ring_osc_clk[10]" ),191 , "sys_cpu_ring_osc_clk[11]" ),192 , "am_ring_osc_clk_out[12](dmc)" ),193 , "am_ring_osc_clk_out[13](rama)" ),194 , "am_ring_osc_clk_out[14](nna)" ),195 , "am_ring_osc_clk_out[15](nna)" ),200 , "rng_ring_osc_clk_1[0]" ),201 , "rng_ring_osc_clk_1[1]" ),202 , "rng_ring_osc_clk_1[2]" ),203 , "rng_ring_osc_clk_1[3]" ),static const struct meson_msr_id clk_msr_s4[] = {0 , "sys_clk" ),1 , "axi_clk" ),2 , "rtc_clk" ),5 , "mali" ),6 , "cpu_clk_div16" ),7 , "ceca_clk" ),8 , "cecb_clk" ),10 , "fclk_div5" ),11 , "mpll0" ),12 , "mpll1" ),13 , "mpll2" ),14 , "mpll3" ),15 , "fclk_50m" ),16 , "pcie_clk_inp" ),17 , "pcie_clk_inn" ),18 , "mpll_clk_test_out" ),19 , "hifi_pll" ),20 , "gp0_pll" ),21 , "gp1_pll" ),22 , "eth_mppll_50m_ckout" ),23 , "sys_pll_div16" ),24 , "ddr_dpll_pt_clk" ),30 , "mod_eth_phy_ref_clk" ),31 , "mod_eth_tx_clk" ),32 , "eth_125m" ),33 , "eth_rmii" ),34 , "co_clkin_to_mac" ),35 , "mod_eth_rx_clk_rmii" ),36 , "co_rx_clk" ),37 , "co_tx_clk" ),38 , "eth_phy_rxclk" ),39 , "eth_phy_plltxclk" ),40 , "ephy_test_clk" ),50 , "vid_pll_div_clk_out" ),51 , "enci" ),52 , "encp" ),53 , "encl" ),54 , "vdac" ),55 , "cdac_clk_c" ),56 , "mod_tcon_clko" ),57 , "lcd_an_clk_ph2" ),58 , "lcd_an_clk_ph3" ),59 , "hdmitx_pixel" ),60 , "vdin_meas" ),61 , "vpu" ),62 , "vpu_clkb" ),63 , "vpu_clkb_tmp" ),64 , "vpu_clkc" ),65 , "vid_lock" ),66 , "vapb" ),67 , "ge2d" ),68 , "cts_hdcp22_esmclk" ),69 , "cts_hdcp22_skpclk" ),76 , "hdmitx_tmds" ),77 , "hdmitx_sys_clk" ),78 , "hdmitx_fe_clk" ),79 , "rama" ),93 , "vdec" ),99 , "hevcf" ),100 , "demod_core" ),101 , "adc_extclk_in" ),102 , "cts_demod_core_t2_clk" ),103 , "adc_dpll_intclk" ),104 , "adc_dpll_clk_b3" ),105 , "s2_adc_clk" ),106 , "deskew_pll_clk_div32_out" ),110 , "sc" ),111 , "sar_adc" ),113 , "sd_emmc_c" ),114 , "sd_emmc_b" ),115 , "sd_emmc_a" ),116 , "gpio_msr_clk" ),118 , "spicc0" ),121 , "ts" ),130 , "audio_vad_clk" ),131 , "acodec_dac_clk_x128" ),132 , "audio_locker_in_clk" ),133 , "audio_locker_out_clk" ),134 , "audio_tdmout_c_sclk" ),135 , "audio_tdmout_b_sclk" ),136 , "audio_tdmout_a_sclk" ),137 , "audio_tdmin_lb_sclk" ),138 , "audio_tdmin_c_sclk" ),139 , "audio_tdmin_b_sclk" ),140 , "audio_tdmin_a_sclk" ),141 , "audio_resamplea_clk" ),142 , "audio_pdm_sysclk" ),143 , "audio_spdifout_b_mst_clk" ),144 , "audio_spdifout_mst_clk" ),145 , "audio_spdifin_mst_clk" ),146 , "audio_pdm_dclk" ),147 , "audio_resampleb_clk" ),160 , "pwm_j" ),161 , "pwm_i" ),162 , "pwm_h" ),163 , "pwm_g" ),164 , "pwm_f" ),165 , "pwm_e" ),166 , "pwm_d" ),167 , "pwm_c" ),168 , "pwm_b" ),169 , "pwm_a" ),176 , "rng_ring_0" ),177 , "rng_ring_1" ),178 , "rng_ring_2" ),179 , "rng_ring_3" ),180 , "dmc_osc_ring(LVT16)" ),181 , "gpu_osc_ring0(LVT16)" ),182 , "gpu_osc_ring1(ULVT16)" ),183 , "gpu_osc_ring2(SLVT16)" ),184 , "vpu_osc_ring0(SVT24)" ),185 , "vpu_osc_ring1(LVT20)" ),186 , "vpu_osc_ring2(LVT16)" ),187 , "dos_osc_ring0(SVT24)" ),188 , "dos_osc_ring1(SVT16)" ),189 , "dos_osc_ring2(LVT16)" ),190 , "dos_osc_ring3(ULVT20)" ),192 , "axi_sram_osc_ring(SVT16)" ),193 , "demod_osc_ring0" ),194 , "demod_osc_ring1" ),195 , "sar_osc_ring" ),196 , "sys_cpu_osc_ring0" ),197 , "sys_cpu_osc_ring1" ),198 , "sys_cpu_osc_ring2" ),199 , "sys_cpu_osc_ring3" ),200 , "sys_cpu_osc_ring4" ),201 , "sys_cpu_osc_ring5" ),202 , "sys_cpu_osc_ring6" ),203 , "sys_cpu_osc_ring7" ),204 , "sys_cpu_osc_ring8" ),205 , "sys_cpu_osc_ring9" ),206 , "sys_cpu_osc_ring10" ),207 , "sys_cpu_osc_ring11" ),208 , "sys_cpu_osc_ring12" ),209 , "sys_cpu_osc_ring13" ),210 , "sys_cpu_osc_ring14" ),211 , "sys_cpu_osc_ring15" ),212 , "sys_cpu_osc_ring16" ),213 , "sys_cpu_osc_ring17" ),214 , "sys_cpu_osc_ring18" ),215 , "sys_cpu_osc_ring19" ),216 , "sys_cpu_osc_ring20" ),217 , "sys_cpu_osc_ring21" ),218 , "sys_cpu_osc_ring22" ),219 , "sys_cpu_osc_ring23" ),220 , "sys_cpu_osc_ring24" ),221 , "sys_cpu_osc_ring25" ),222 , "sys_cpu_osc_ring26" ),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;if (ret)return ret;0 );/* Set measurement duration */ 1 ));/* Set ID */ /* Enable & Start */ 10 , 10000 );if (ret) {return ret;/* Disable */ 0 );/* Get the value in multiple of gate time counts */ if (val >= MSR_VAL_MASK)return -EINVAL;return DIV_ROUND_CLOSEST_ULL((val & MSR_VAL_MASK) * 1000000 ULL,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 {if (ret >= 0 )2 * 1000000 ) / duration;else 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;if (val < 0 )return val;"%d\t+/-%dHz\n" , val, precision);return 0 ;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;" clock rate precision\n" );"---------------------------------------------\n" );for (i = 0 ; i < msr_count ; ++i) {if (!msr_table[i].name)continue ;if (val < 0 )return val;" %-20s %10d +/-%dHz\n" ,return 0 ;static struct regmap_config meson_clk_msr_regmap_config = {32 ,32 ,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;sizeof (struct meson_msr),if (!priv)return -ENOMEM;if (!match_data) {"failed to get match data\n" );return -ENODEV;sizeof (struct meson_msr_id),if (!priv->data.msr_table)return -ENOMEM;sizeof (struct meson_msr_id));0 , &res);if (IS_ERR(base))return PTR_ERR(base);4 ;if (IS_ERR(priv->regmap))return PTR_ERR(priv->regmap);sizeof (struct msr_reg_offset),if (!priv->data.reg)return -ENOMEM;void *)priv->data.reg, match_data->reg,sizeof (struct msr_reg_offset));"meson-clk-msr" , NULL);"clks" , root);"measure_summary" , 0444 , root,for (i = 0 ; i < priv->data.msr_count ; ++i) {if (!priv->data.msr_table[i].name)continue ;0444 , clks,return 0 ;static const struct msr_reg_offset msr_reg_offset = {0 x0,0 x4,0 x8,0 xc,static const struct meson_msr_data clk_msr_gx_data = {void *)clk_msr_gx,static const struct meson_msr_data clk_msr_m8_data = {void *)clk_msr_m8,static const struct meson_msr_data clk_msr_axg_data = {void *)clk_msr_axg,static const struct meson_msr_data clk_msr_g12a_data = {void *)clk_msr_g12a,static const struct meson_msr_data clk_msr_sm1_data = {void *)clk_msr_sm1,static const struct msr_reg_offset msr_reg_offset_v2 = {0 x0,0 x4,0 x8,0 x18,static const struct meson_msr_data clk_msr_c3_data = {void *)clk_msr_c3,static const struct meson_msr_data clk_msr_s4_data = {void *)clk_msr_s4,static const struct of_device_id meson_msr_match_table[] = {"amlogic,meson-gx-clk-measure" ,"amlogic,meson8-clk-measure" ,"amlogic,meson8b-clk-measure" ,"amlogic,meson-axg-clk-measure" ,"amlogic,meson-g12a-clk-measure" ,"amlogic,meson-sm1-clk-measure" ,"amlogic,c3-clk-measure" ,"amlogic,s4-clk-measure" ,/* sentinel */ } static struct platform_driver meson_msr_driver = {"meson_msr" ,"Amlogic Meson SoC Clock Measure driver" );"GPL v2" );
Messung V0.5 in Prozent C=96 H=92 G=93
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet am 2026-06-07)
¤ *© Formatika GbR, Deutschland
