跟一下msm8953音频的dts。
msm8953-audio-mtp.dtsi
&int_codec { status = "okay"; qcom,model = "msm8953-snd-card-mtp"; qcom,msm-hs-micbias-type = "internal"; // 具有内部MICBIAS qcom,msm-spk-ext-pa = <&tlmm 96 0>; action,enable-aw8738; qcom,audio-routing = "RX_BIAS", "MCLK", "SPK_RX_BIAS", "MCLK", "INT_LDO_H", "MCLK", "MIC BIAS Internal1", "Handset Mic", // 听筒采用内部MICBIAS "MIC BIAS Internal2", "Headset Mic", // 耳机采用内部MICBIAS "MIC BIAS Internal3", "Secondary Mic", "AMIC1", "MIC BIAS Internal1", "AMIC2", "MIC BIAS Internal2", "AMIC3", "MIC BIAS Internal3";}; msm-audio.dtsi
int_codec: sound { status = "disabled"; compatible = "qcom,msm8952-audio-codec"; qcom,model = "msm8952-snd-card-mtp"; reg = <0xc051000 0x4>, <0xc051004 0x4>, <0xc055000 0x4>, <0xc052000 0x4>; reg-names = "csr_gp_io_mux_mic_ctl", "csr_gp_io_mux_spkr_ctl", "csr_gp_io_lpaif_pri_pcm_pri_mode_muxsel", "csr_gp_io_mux_quin_ctl"; qcom,msm-ext-pa = "primary"; qcom,msm-mclk-freq = <9600000>; // 驱动编解码器的所需的时钟 qcom,msm-mbhc-hphl-swh = <0>; qcom,msm-mbhc-gnd-swh = <0>; qcom,msm-hs-micbias-type = "external"; qcom,msm-micbias1-ext-cap; // 听筒具有外部电容 qcom,audio-routing = "RX_BIAS", "MCLK", "SPK_RX_BIAS", "MCLK", "INT_LDO_H", "MCLK", "MIC BIAS External", "Handset Mic", "MIC BIAS External2", "Headset Mic", "MIC BIAS External", "Secondary Mic", "AMIC1", "MIC BIAS External", "AMIC2", "MIC BIAS External2", "AMIC3", "MIC BIAS External", "WSA_SPK OUT", "VDD_WSA_SWITCH", "SpkrMono WSA_IN", "WSA_SPK OUT"; // 扬声器 qcom,hdmi-dba-codec-rx; qcom,msm-gpios = "pri_i2s", "us_eu_gpio", "quin_i2s"; qcom,pinctrl-names = "all_off", "pri_i2s_act", "us_eu_gpio_act", "pri_i2s_us_eu_gpio_act", "quin_act", "quin_pri_i2s_act", "quin_us_eu_gpio_act", "quin_us_eu_gpio_pri_i2s_act"; // 8种功能，不同的功能使用的引脚见pinctrl-x pinctrl-names = "all_off", "pri_i2s_act", "us_eu_gpio_act", "pri_i2s_us_eu_gpio_act", "quin_act", "quin_pri_i2s_act", "quin_us_eu_gpio_act", "quin_us_eu_gpio_pri_i2s_act"; // 对应all_off功能, 使用3组pin,总共7个引脚 pinctrl-0 = <&cdc_pdm_lines_sus &cdc_pdm_lines_2_sus &cross_conn_det_sus>; // pri_i2s_act, 7个引脚 pinctrl-1 = <&cdc_pdm_lines_act &cdc_pdm_lines_2_act &cross_conn_det_sus>; // "us_eu_gpio_act", pinctrl-2 = <&cdc_pdm_lines_sus &cdc_pdm_lines_2_sus &cross_conn_det_act>; // "pri_i2s_us_eu_gpio_act", pinctrl-3 = <&cdc_pdm_lines_act &cdc_pdm_lines_2_act &cross_conn_det_act>; // "quin_act", pinctrl-4 = <&cdc_pdm_lines_sus &cdc_pdm_lines_2_sus &cross_conn_det_sus>; // "quin_pri_i2s_act", pinctrl-5 = <&cdc_pdm_lines_act &cdc_pdm_lines_2_act &cross_conn_det_sus>; // "quin_us_eu_gpio_act", pinctrl-6 = <&cdc_pdm_lines_sus &cdc_pdm_lines_2_sus &cross_conn_det_act>; // "quin_us_eu_gpio_pri_i2s_act"; pinctrl-7 = <&cdc_pdm_lines_act &cdc_pdm_lines_2_act &cross_conn_det_act>; asoc-platform = <&pcm0>, <&pcm1>, <&pcm2>, <&voip>, <&voice>, <&loopback>, <&compress>, <&hostless>, <&afe>, <&lsm>, <&routing>, <&lpa>; asoc-platform-names = "msm-pcm-dsp.0", "msm-pcm-dsp.1", "msm-pcm-dsp.2", "msm-voip-dsp", "msm-pcm-voice", "msm-pcm-loopback", "msm-compress-dsp", "msm-pcm-hostless", "msm-pcm-afe", "msm-lsm-client", "msm-pcm-routing", "msm-pcm-lpa"; asoc-cpu = <&dai_pri_auxpcm>, <&dai_mi2s0>, <&dai_mi2s1>, <&dai_mi2s2>, <&dai_mi2s3>, <&dai_mi2s5>, <&dai_mi2s6>, <&sb_0_rx>, <&sb_0_tx>, <&sb_1_rx>, <&sb_1_tx>, <&sb_3_rx>, <&sb_3_tx>, <&sb_4_rx>, <&sb_4_tx>, <&bt_sco_rx>, <&bt_sco_tx>, <&int_fm_rx>, <&int_fm_tx>, <&afe_pcm_rx>, <&afe_pcm_tx>, <&afe_proxy_rx>, <&afe_proxy_tx>, <&incall_record_rx>, <&incall_record_tx>, <&incall_music_rx>, <&incall_music_2_rx>; asoc-cpu-names = "msm-dai-q6-auxpcm.1", "msm-dai-q6-mi2s.0", "msm-dai-q6-mi2s.1", "msm-dai-q6-mi2s.2", "msm-dai-q6-mi2s.3", "msm-dai-q6-mi2s.5", "msm-dai-q6-mi2s.6", "msm-dai-q6-dev.16384", "msm-dai-q6-dev.16385", "msm-dai-q6-dev.16386", "msm-dai-q6-dev.16387", "msm-dai-q6-dev.16390", "msm-dai-q6-dev.16391", "msm-dai-q6-dev.16392", "msm-dai-q6-dev.16393", "msm-dai-q6-dev.12288", "msm-dai-q6-dev.12289", "msm-dai-q6-dev.12292", "msm-dai-q6-dev.12293", "msm-dai-q6-dev.224", "msm-dai-q6-dev.225", "msm-dai-q6-dev.241", "msm-dai-q6-dev.240", "msm-dai-q6-dev.32771", "msm-dai-q6-dev.32772", "msm-dai-q6-dev.32773", "msm-dai-q6-dev.32770"; }; msm8953-pinctrl.dtsi
cdc_reset_ctrl { cdc_reset_sleep: cdc_reset_sleep { mux { pins = "gpio67"; function = "gpio"; }; config { pins = "gpio67"; drive-strength = <16>; bias-disable; output-low; }; }; cdc_reset_active:cdc_reset_active { mux { pins = "gpio67"; function = "gpio"; }; config { pins = "gpio67"; drive-strength = <16>; bias-pull-down; output-high; }; }; }; cdc_mclk2_pin { cdc_mclk2_sleep: cdc_mclk2_sleep { mux { pins = "gpio66"; function = "pri_mi2s"; }; config { pins = "gpio66"; drive-strength = <2>; /* 2 mA */ bias-pull-down; /* PULL DOWN */ }; }; cdc_mclk2_active: cdc_mclk2_active { mux { pins = "gpio66"; function = "pri_mi2s"; }; config { pins = "gpio66"; drive-strength = <8>; /* 8 mA */ bias-disable; /* NO PULL */ }; }; }; cdc-pdm-2-lines { cdc_pdm_lines_2_act: pdm_lines_2_on { mux { pins = "gpio70", "gpio71", "gpio72"; function = "cdc_pdm0"; }; config { pins = "gpio70", "gpio71", "gpio72"; drive-strength = <8>; }; }; cdc_pdm_lines_2_sus: pdm_lines_2_off { mux { pins = "gpio70", "gpio71", "gpio72"; function = "cdc_pdm0"; }; config { pins = "gpio70", "gpio71", "gpio72"; drive-strength = <2>; bias-disable; }; }; }; cdc-pdm-lines { cdc_pdm_lines_act: pdm_lines_on { mux { pins = "gpio69", "gpio73", "gpio74"; function = "cdc_pdm0"; }; config { pins = "gpio69", "gpio73", "gpio74"; drive-strength = <8>; }; }; cdc_pdm_lines_sus: pdm_lines_off { mux { pins = "gpio69", "gpio73", "gpio74"; function = "cdc_pdm0"; }; config { pins = "gpio69", "gpio73", "gpio74"; drive-strength = <2>; bias-disable; }; }; }; cdc-pdm-comp-lines { cdc_pdm_comp_lines_act: pdm_comp_lines_on { mux { pins = "gpio67", "gpio68"; function = "cdc_pdm0"; }; config { pins = "gpio67", "gpio68"; drive-strength = <8>; }; }; cdc_pdm_comp_lines_sus: pdm_comp_lines_off { mux { pins = "gpio67", "gpio68"; function = "cdc_pdm0"; }; config { pins = "gpio67", "gpio68"; drive-strength = <2>; bias-disable; }; }; }; cross-conn-det { cross_conn_det_act: lines_on { mux { pins = "gpio63"; function = "gpio"; }; config { pins = "gpio63"; drive-strength = <8>; output-low; bias-pull-down; }; }; cross_conn_det_sus: lines_off { mux { pins = "gpio63"; function = "gpio"; }; config { pins = "gpio63"; drive-strength = <2>; bias-pull-down; }; }; }; msm-pm8953.dtsi
&spmi_bus { qcom,pm8953@0 { spmi-slave-container; reg = <0x0>; #address-cells = <1>; #size-cells = <1>; pm8953_revid: qcom,revid@100 { compatible = "qcom,qpnp-revid"; reg = <0x100 0x100>; }; qcom,power-on@800 { compatible = "qcom,qpnp-power-on"; reg = <0x800 0x100>; interrupts = <0x0 0x8 0x0>, <0x0 0x8 0x1>, <0x0 0x8 0x4>, <0x0 0x8 0x5>; interrupt-names = "kpdpwr", "resin", "resin-bark", "kpdpwr-resin-bark"; qcom,pon-dbc-delay = <15625>; qcom,system-reset; qcom,pon_1 { qcom,pon-type = <0>; qcom,support-reset = <1>; qcom,s1-timer = <6720>;//<10256>; qcom,s2-timer = <2000>; qcom,s2-type = <7>; //default 1 warm reset,4 is shutdown,7 is hard reset qcom,pull-up = <1>; linux,code = <116>; }; qcom,pon_2 { qcom,pon-type = <1>; qcom,pull-up = <1>; linux,code = <114>; }; }; pm8953_temp_alarm: qcom,temp-alarm@2400 { compatible = "qcom,qpnp-temp-alarm"; reg = <0x2400 0x100>; interrupts = <0x0 0x24 0x0>; label = "pm8953_tz"; qcom,channel-num = <8>; qcom,threshold-set = <0>; qcom,temp_alarm-vadc = <&pm8953_vadc>; }; pm8953_coincell: qcom,coincell@2800 { compatible = "qcom,qpnp-coincell"; reg = <0x2800 0x100>; }; pm8953_mpps: mpps { compatible = "qcom,qpnp-pin"; spmi-dev-container; gpio-controller; #gpio-cells = <2>; #address-cells = <1>; #size-cells = <1>; label = "pm8953-mpp"; mpp@a000 { reg = <0xa000 0x100>; qcom,pin-num = <1>; status = "disabled"; }; mpp@a100 { reg = <0xa100 0x100>; qcom,pin-num = <2>; }; mpp@a200 { reg = <0xa200 0x100>; qcom,pin-num = <3>; status = "disabled"; }; mpp@a300 { reg = <0xa300 0x100>; qcom,pin-num = <4>; }; }; pm8953_gpios: gpios { spmi-dev-container; compatible = "qcom,qpnp-pin"; gpio-controller; #gpio-cells = <2>; #address-cells = <1>; #size-cells = <1>; label = "pm8953-gpio"; gpio@c000 { reg = <0xc000 0x100>; qcom,pin-num = <1>; status = "disabled"; }; gpio@c100 { reg = <0xc100 0x100>; qcom,pin-num = <2>; status = "disabled"; }; gpio@c200 { reg = <0xc200 0x100>; qcom,pin-num = <3>; status = "disabled"; }; gpio@c300 { reg = <0xc300 0x100>; qcom,pin-num = <4>; status = "disabled"; }; gpio@c400 { reg = <0xc400 0x100>; qcom,pin-num = <5>; status = "disabled"; }; gpio@c500 { reg = <0xc500 0x100>; qcom,pin-num = <6>; status = "disabled"; }; gpio@c600 { reg = <0xc600 0x100>; qcom,pin-num = <7>; status = "disabled"; }; gpio@c700 { reg = <0xc700 0x100>; qcom,pin-num = <8>; status = "disabled"; }; }; pm8953_vadc: vadc@3100 { compatible = "qcom,qpnp-vadc"; reg = <0x3100 0x100>; #address-cells = <1>; #size-cells = <0>; interrupts = <0x0 0x31 0x0>; interrupt-names = "eoc-int-en-set"; qcom,adc-bit-resolution = <15>; qcom,adc-vdd-reference = <1800>; qcom,vadc-poll-eoc; chan@8 { label = "die_temp"; reg = <8>; qcom,decimation = <0>; qcom,pre-div-channel-scaling = <0>; qcom,calibration-type = "absolute"; qcom,scale-function = <3>; qcom,hw-settle-time = <0>; qcom,fast-avg-setup = <0>; }; chan@9 { label = "ref_625mv"; reg = <9>; qcom,decimation = <0>; qcom,pre-div-channel-scaling = <0>; qcom,calibration-type = "absolute"; qcom,scale-function = <0>; qcom,hw-settle-time = <0>; qcom,fast-avg-setup = <0>; }; chan@a { label = "ref_1250v"; reg = <0xa>; qcom,decimation = <0>; qcom,pre-div-channel-scaling = <0>; qcom,calibration-type = "absolute"; qcom,scale-function = <0>; qcom,hw-settle-time = <0>; qcom,fast-avg-setup = <0>; }; chan@c { label = "ref_buf_625mv"; reg = <0xc>; qcom,decimation = <0>; qcom,pre-div-channel-scaling = <0>; qcom,calibration-type = "absolute"; qcom,scale-function = <0>; qcom,hw-settle-time = <0>; qcom,fast-avg-setup = <0>; }; }; pm8953_adc_tm: vadc@3400 { compatible = "qcom,qpnp-adc-tm"; reg = <0x3400 0x100>; #address-cells = <1>; #size-cells = <0>; interrupts = <0x0 0x34 0x0>, <0x0 0x34 0x3>, <0x0 0x34 0x4>; interrupt-names = "eoc-int-en-set", "high-thr-en-set", "low-thr-en-set"; qcom,adc-bit-resolution = <15>; qcom,adc-vdd-reference = <1800>; qcom,adc_tm-vadc = <&pm8953_vadc>; }; pm8953_rtc: qcom,pm8953_rtc { spmi-dev-container; compatible = "qcom,qpnp-rtc"; #address-cells = <1>; #size-cells = <1>; qcom,qpnp-rtc-write = <0>; qcom,qpnp-rtc-alarm-pwrup = <0>; qcom,pm8953_rtc_rw@6000 { reg = <0x6000 0x100>; }; qcom,pm8953_rtc_alarm@6100 { reg = <0x6100 0x100>; interrupts = <0x0 0x61 0x1>; }; }; pm8953_typec: qcom,pm8953_typec@bf00 { status = "disable"; compatible = "qcom,qpnp-typec"; reg = <0xbf00 0x100>; interrupts = <0x0 0xbf 0x0>, <0x0 0xbf 0x1>, <0x0 0xbf 0x2>, <0x0 0xbf 0x3>, <0x0 0xbf 0x4>, <0x0 0xbf 0x6>, <0x0 0xbf 0x7>; interrupt-names = "vrd-change", "ufp-detect", "ufp-detach", "dfp-detect", "dfp-detach", "vbus-err", "vconn-oc"; }; }; pm8953_1: qcom,pm8953@1 { spmi-slave-container; reg = <0x1>; #address-cells = <1>; #size-cells = <1>; pm8953_pwm: pwm@bc00 { status = "disabled"; compatible = "qcom,qpnp-pwm"; reg = <0xbc00 0x100>; reg-names = "qpnp-lpg-channel-base"; qcom,channel-id = <0>; qcom,supported-sizes = <6>, <9>; #pwm-cells = <2>; }; };}; Liu Tao
2019-3-5