| // SPDX-License-Identifier: BSD-3-Clause |
| /* |
| * sc7280 IDP board device tree source (common between SKU1 and SKU2) |
| * |
| * Copyright (c) 2021, The Linux Foundation. All rights reserved. |
| */ |
| |
| #include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h> |
| #include <dt-bindings/input/linux-event-codes.h> |
| #include "sc7280.dtsi" |
| #include "pm7325.dtsi" |
| #include "pm8350c.dtsi" |
| #include "pmk8350.dtsi" |
| |
| #include "sc7280-chrome-common.dtsi" |
| #include "sc7280-herobrine-lte-sku.dtsi" |
| |
| / { |
| aliases { |
| bluetooth0 = &bluetooth; |
| serial1 = &uart7; |
| }; |
| |
| max98360a: audio-codec-0 { |
| compatible = "maxim,max98360a"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&_en>; |
| sdmode-gpios = <&tlmm 63 GPIO_ACTIVE_HIGH>; |
| #sound-dai-cells = <0>; |
| }; |
| |
| wcd9385: audio-codec-1 { |
| compatible = "qcom,wcd9385-codec"; |
| pinctrl-names = "default", "sleep"; |
| pinctrl-0 = <&wcd_reset_n>; |
| pinctrl-1 = <&wcd_reset_n_sleep>; |
| |
| reset-gpios = <&tlmm 83 GPIO_ACTIVE_LOW>; |
| |
| qcom,rx-device = <&wcd_rx>; |
| qcom,tx-device = <&wcd_tx>; |
| |
| vdd-rxtx-supply = <&vreg_l18b_1p8>; |
| vdd-io-supply = <&vreg_l18b_1p8>; |
| vdd-buck-supply = <&vreg_l17b_1p8>; |
| vdd-mic-bias-supply = <&vreg_bob>; |
| |
| qcom,micbias1-microvolt = <1800000>; |
| qcom,micbias2-microvolt = <1800000>; |
| qcom,micbias3-microvolt = <1800000>; |
| qcom,micbias4-microvolt = <1800000>; |
| |
| qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 |
| 500000 500000 500000>; |
| qcom,mbhc-headset-vthreshold-microvolt = <1700000>; |
| qcom,mbhc-headphone-vthreshold-microvolt = <50000>; |
| #sound-dai-cells = <1>; |
| }; |
| |
| gpio-keys { |
| compatible = "gpio-keys"; |
| label = "gpio-keys"; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&key_vol_up_default>; |
| |
| key-volume-up { |
| label = "volume_up"; |
| gpios = <&pm7325_gpios 6 GPIO_ACTIVE_LOW>; |
| linux,input-type = <1>; |
| linux,code = <KEY_VOLUMEUP>; |
| gpio-key,wakeup; |
| debounce-interval = <15>; |
| linux,can-disable; |
| }; |
| }; |
| |
| nvme_3v3_regulator: nvme-3v3-regulator { |
| compatible = "regulator-fixed"; |
| regulator-name = "VLDO_3V3"; |
| |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| |
| enable-active-high; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&nvme_pwren>; |
| }; |
| |
| sound: sound { |
| compatible = "google,sc7280-herobrine"; |
| model = "sc7280-wcd938x-max98360a-1mic"; |
| |
| audio-routing = |
| "IN1_HPHL", "HPHL_OUT", |
| "IN2_HPHR", "HPHR_OUT", |
| "AMIC1", "MIC BIAS1", |
| "AMIC2", "MIC BIAS2", |
| "VA DMIC0", "MIC BIAS3", |
| "VA DMIC1", "MIC BIAS3", |
| "VA DMIC2", "MIC BIAS1", |
| "VA DMIC3", "MIC BIAS1", |
| "TX SWR_ADC0", "ADC1_OUTPUT", |
| "TX SWR_ADC1", "ADC2_OUTPUT", |
| "TX SWR_ADC2", "ADC3_OUTPUT", |
| "TX SWR_DMIC0", "DMIC1_OUTPUT", |
| "TX SWR_DMIC1", "DMIC2_OUTPUT", |
| "TX SWR_DMIC2", "DMIC3_OUTPUT", |
| "TX SWR_DMIC3", "DMIC4_OUTPUT", |
| "TX SWR_DMIC4", "DMIC5_OUTPUT", |
| "TX SWR_DMIC5", "DMIC6_OUTPUT", |
| "TX SWR_DMIC6", "DMIC7_OUTPUT", |
| "TX SWR_DMIC7", "DMIC8_OUTPUT"; |
| |
| qcom,msm-mbhc-hphl-swh = <1>; |
| qcom,msm-mbhc-gnd-swh = <1>; |
| |
| #address-cells = <1>; |
| #size-cells = <0>; |
| #sound-dai-cells = <0>; |
| |
| dai-link@0 { |
| link-name = "MAX98360A"; |
| reg = <0>; |
| |
| cpu { |
| sound-dai = <&lpass_cpu MI2S_SECONDARY>; |
| }; |
| |
| codec { |
| sound-dai = <&max98360a>; |
| }; |
| }; |
| |
| dai-link@1 { |
| link-name = "DisplayPort"; |
| reg = <1>; |
| |
| cpu { |
| sound-dai = <&lpass_cpu LPASS_DP_RX>; |
| }; |
| |
| codec { |
| sound-dai = <&mdss_dp>; |
| }; |
| }; |
| |
| dai-link@2 { |
| link-name = "WCD9385 Playback"; |
| reg = <2>; |
| |
| cpu { |
| sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>; |
| }; |
| |
| codec { |
| sound-dai = <&wcd9385 0>, <&swr0 0>, <&lpass_rx_macro 0>; |
| }; |
| }; |
| |
| dai-link@3 { |
| link-name = "WCD9385 Capture"; |
| reg = <3>; |
| |
| cpu { |
| sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>; |
| }; |
| |
| codec { |
| sound-dai = <&wcd9385 1>, <&swr1 0>, <&lpass_tx_macro 0>; |
| }; |
| }; |
| |
| dai-link@4 { |
| link-name = "DMIC"; |
| reg = <4>; |
| |
| cpu { |
| sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>; |
| }; |
| |
| codec { |
| sound-dai = <&lpass_va_macro 0>; |
| }; |
| }; |
| }; |
| }; |
| |
| &apps_rsc { |
| pm7325-regulators { |
| compatible = "qcom,pm7325-rpmh-regulators"; |
| qcom,pmic-id = "b"; |
| |
| vreg_s1b_1p8: smps1 { |
| regulator-min-microvolt = <1856000>; |
| regulator-max-microvolt = <2040000>; |
| }; |
| |
| vreg_s7b_0p9: smps7 { |
| regulator-min-microvolt = <535000>; |
| regulator-max-microvolt = <1120000>; |
| }; |
| |
| vreg_s8b_1p2: smps8 { |
| regulator-min-microvolt = <1256000>; |
| regulator-max-microvolt = <1500000>; |
| }; |
| |
| vreg_l1b_0p8: ldo1 { |
| regulator-min-microvolt = <825000>; |
| regulator-max-microvolt = <925000>; |
| }; |
| |
| vreg_l2b_3p0: ldo2 { |
| regulator-min-microvolt = <2700000>; |
| regulator-max-microvolt = <3544000>; |
| }; |
| |
| vreg_l6b_1p2: ldo6 { |
| regulator-min-microvolt = <1140000>; |
| regulator-max-microvolt = <1260000>; |
| }; |
| |
| vreg_l7b_2p9: ldo7 { |
| regulator-min-microvolt = <2960000>; |
| regulator-max-microvolt = <2960000>; |
| }; |
| |
| vreg_l8b_0p9: ldo8 { |
| regulator-min-microvolt = <870000>; |
| regulator-max-microvolt = <970000>; |
| }; |
| |
| vreg_l9b_1p2: ldo9 { |
| regulator-min-microvolt = <1080000>; |
| regulator-max-microvolt = <1304000>; |
| }; |
| |
| vreg_l11b_1p7: ldo11 { |
| regulator-min-microvolt = <1504000>; |
| regulator-max-microvolt = <2000000>; |
| }; |
| |
| vreg_l12b_0p8: ldo12 { |
| regulator-min-microvolt = <751000>; |
| regulator-max-microvolt = <824000>; |
| }; |
| |
| vreg_l13b_0p8: ldo13 { |
| regulator-min-microvolt = <530000>; |
| regulator-max-microvolt = <824000>; |
| }; |
| |
| vreg_l14b_1p2: ldo14 { |
| regulator-min-microvolt = <1080000>; |
| regulator-max-microvolt = <1304000>; |
| }; |
| |
| vreg_l15b_0p8: ldo15 { |
| regulator-min-microvolt = <765000>; |
| regulator-max-microvolt = <1020000>; |
| }; |
| |
| vreg_l16b_1p2: ldo16 { |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1300000>; |
| }; |
| |
| vreg_l17b_1p8: ldo17 { |
| regulator-min-microvolt = <1700000>; |
| regulator-max-microvolt = <1900000>; |
| }; |
| |
| vreg_l18b_1p8: ldo18 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <2000000>; |
| }; |
| |
| vreg_l19b_1p8: ldo19 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| }; |
| }; |
| |
| pm8350c-regulators { |
| compatible = "qcom,pm8350c-rpmh-regulators"; |
| qcom,pmic-id = "c"; |
| |
| vreg_s1c_2p2: smps1 { |
| regulator-min-microvolt = <2190000>; |
| regulator-max-microvolt = <2210000>; |
| }; |
| |
| vreg_s9c_1p0: smps9 { |
| regulator-min-microvolt = <1010000>; |
| regulator-max-microvolt = <1170000>; |
| }; |
| |
| vreg_l1c_1p8: ldo1 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1980000>; |
| }; |
| |
| vreg_l2c_1p8: ldo2 { |
| regulator-min-microvolt = <1620000>; |
| regulator-max-microvolt = <1980000>; |
| }; |
| |
| vreg_l3c_3p0: ldo3 { |
| regulator-min-microvolt = <2800000>; |
| regulator-max-microvolt = <3540000>; |
| }; |
| |
| vreg_l4c_1p8: ldo4 { |
| regulator-min-microvolt = <1620000>; |
| regulator-max-microvolt = <3300000>; |
| }; |
| |
| vreg_l5c_1p8: ldo5 { |
| regulator-min-microvolt = <1620000>; |
| regulator-max-microvolt = <3300000>; |
| }; |
| |
| vreg_l6c_2p9: ldo6 { |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <2950000>; |
| }; |
| |
| vreg_l7c_3p0: ldo7 { |
| regulator-min-microvolt = <3000000>; |
| regulator-max-microvolt = <3544000>; |
| }; |
| |
| vreg_l8c_1p8: ldo8 { |
| regulator-min-microvolt = <1620000>; |
| regulator-max-microvolt = <2000000>; |
| }; |
| |
| vreg_l9c_2p9: ldo9 { |
| regulator-min-microvolt = <2960000>; |
| regulator-max-microvolt = <2960000>; |
| }; |
| |
| vreg_l10c_0p8: ldo10 { |
| regulator-min-microvolt = <720000>; |
| regulator-max-microvolt = <1050000>; |
| }; |
| |
| vreg_l11c_2p8: ldo11 { |
| regulator-min-microvolt = <2800000>; |
| regulator-max-microvolt = <3544000>; |
| }; |
| |
| vreg_l12c_1p8: ldo12 { |
| regulator-min-microvolt = <1650000>; |
| regulator-max-microvolt = <2000000>; |
| }; |
| |
| vreg_l13c_3p0: ldo13 { |
| regulator-min-microvolt = <2700000>; |
| regulator-max-microvolt = <3544000>; |
| }; |
| |
| vreg_bob: bob { |
| regulator-min-microvolt = <3008000>; |
| regulator-max-microvolt = <3960000>; |
| }; |
| }; |
| }; |
| |
| &gpi_dma0 { |
| status = "okay"; |
| }; |
| |
| &gpi_dma1 { |
| status = "okay"; |
| }; |
| |
| &ipa { |
| status = "okay"; |
| modem-init; |
| }; |
| |
| &lpass_cpu { |
| status = "okay"; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&mi2s1_data0>, <&mi2s1_sclk>, <&mi2s1_ws>; |
| |
| dai-link@1 { |
| reg = <MI2S_SECONDARY>; |
| qcom,playback-sd-lines = <0>; |
| }; |
| |
| dai-link@5 { |
| reg = <LPASS_DP_RX>; |
| }; |
| |
| dai-link@6 { |
| reg = <LPASS_CDC_DMA_RX0>; |
| }; |
| |
| dai-link@19 { |
| reg = <LPASS_CDC_DMA_TX3>; |
| }; |
| |
| dai-link@25 { |
| reg = <LPASS_CDC_DMA_VA_TX0>; |
| }; |
| }; |
| |
| &lpass_rx_macro { |
| status = "okay"; |
| }; |
| |
| &lpass_tx_macro { |
| status = "okay"; |
| }; |
| |
| &lpass_va_macro { |
| status = "okay"; |
| vdd-micb-supply = <&vreg_bob>; |
| }; |
| |
| &pcie1 { |
| status = "okay"; |
| perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>; |
| |
| vddpe-3v3-supply = <&nvme_3v3_regulator>; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&pcie1_reset_n>, <&pcie1_wake_n>; |
| }; |
| |
| &pcie1_phy { |
| status = "okay"; |
| |
| vdda-phy-supply = <&vreg_l10c_0p8>; |
| vdda-pll-supply = <&vreg_l6b_1p2>; |
| }; |
| |
| &pmk8350_vadc { |
| pmk8350-die-temp@3 { |
| reg = <PMK8350_ADC7_DIE_TEMP>; |
| label = "pmk8350_die_temp"; |
| qcom,pre-scaling = <1 1>; |
| }; |
| }; |
| |
| &qfprom { |
| vcc-supply = <&vreg_l1c_1p8>; |
| }; |
| |
| &qupv3_id_0 { |
| status = "okay"; |
| }; |
| |
| &qupv3_id_1 { |
| status = "okay"; |
| }; |
| |
| &sdhc_1 { |
| status = "okay"; |
| |
| non-removable; |
| no-sd; |
| no-sdio; |
| |
| vmmc-supply = <&vreg_l7b_2p9>; |
| vqmmc-supply = <&vreg_l19b_1p8>; |
| }; |
| |
| &sdhc_2 { |
| status = "okay"; |
| |
| pinctrl-0 = <&sdc2_clk>, <&sdc2_cmd>, <&sdc2_data>, <&sd_cd>; |
| pinctrl-1 = <&sdc2_clk_sleep>, <&sdc2_cmd_sleep>, <&sdc2_data_sleep>, <&sd_cd>; |
| |
| vmmc-supply = <&vreg_l9c_2p9>; |
| vqmmc-supply = <&vreg_l6c_2p9>; |
| |
| cd-gpios = <&tlmm 91 GPIO_ACTIVE_LOW>; |
| }; |
| |
| &swr0 { |
| status = "okay"; |
| |
| wcd_rx: codec@0,4 { |
| compatible = "sdw20217010d00"; |
| reg = <0 4>; |
| #sound-dai-cells = <1>; |
| qcom,rx-port-mapping = <1 2 3 4 5>; |
| }; |
| }; |
| |
| &swr1 { |
| status = "okay"; |
| |
| wcd_tx: codec@0,3 { |
| compatible = "sdw20217010d00"; |
| reg = <0 3>; |
| #sound-dai-cells = <1>; |
| qcom,tx-port-mapping = <1 2 3 4>; |
| }; |
| }; |
| |
| &uart5 { |
| compatible = "qcom,geni-debug-uart"; |
| status = "okay"; |
| }; |
| |
| &usb_1 { |
| status = "okay"; |
| }; |
| |
| &usb_1_dwc3 { |
| dr_mode = "host"; |
| }; |
| |
| &usb_1_hsphy { |
| status = "okay"; |
| |
| vdda-pll-supply = <&vreg_l10c_0p8>; |
| vdda33-supply = <&vreg_l2b_3p0>; |
| vdda18-supply = <&vreg_l1c_1p8>; |
| qcom,hs-rise-fall-time-bp = <0>; |
| qcom,squelch-detector-bp = <(-2090)>; |
| qcom,hs-disconnect-bp = <1743>; |
| qcom,hs-amplitude-bp = <1780>; |
| qcom,hs-crossover-voltage-microvolt = <(-31000)>; |
| qcom,hs-output-impedance-micro-ohms = <2600000>; |
| }; |
| |
| &usb_1_qmpphy { |
| status = "okay"; |
| |
| vdda-phy-supply = <&vreg_l6b_1p2>; |
| vdda-pll-supply = <&vreg_l1b_0p8>; |
| }; |
| |
| &uart7 { |
| status = "okay"; |
| |
| /delete-property/interrupts; |
| interrupts-extended = <&intc GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>, |
| <&tlmm 31 IRQ_TYPE_EDGE_FALLING>; |
| pinctrl-names = "default", "sleep"; |
| pinctrl-1 = <&qup_uart7_sleep_cts>, <&qup_uart7_sleep_rts>, <&qup_uart7_sleep_tx>, <&qup_uart7_sleep_rx>; |
| |
| bluetooth: bluetooth { |
| compatible = "qcom,wcn6750-bt"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&bt_en>, <&sw_ctrl>; |
| enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>; |
| swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>; |
| vddaon-supply = <&vreg_s7b_0p9>; |
| vddbtcxmx-supply = <&vreg_s7b_0p9>; |
| vddrfacmn-supply = <&vreg_s7b_0p9>; |
| vddrfa0p8-supply = <&vreg_s7b_0p9>; |
| vddrfa1p7-supply = <&vreg_s1b_1p8>; |
| vddrfa1p2-supply = <&vreg_s8b_1p2>; |
| vddrfa2p2-supply = <&vreg_s1c_2p2>; |
| vddasd-supply = <&vreg_l11c_2p8>; |
| max-speed = <3200000>; |
| }; |
| }; |
| |
| /* PINCTRL - additions to nodes defined in sc7280.dtsi */ |
| |
| &dp_hot_plug_det { |
| bias-disable; |
| }; |
| |
| &lpass_dmic01_clk { |
| drive-strength = <8>; |
| bias-disable; |
| }; |
| |
| &lpass_dmic01_data { |
| bias-pull-down; |
| }; |
| |
| &lpass_dmic23_clk { |
| drive-strength = <8>; |
| bias-disable; |
| }; |
| |
| &lpass_dmic23_data { |
| bias-pull-down; |
| }; |
| |
| &lpass_rx_swr_clk { |
| drive-strength = <2>; |
| slew-rate = <1>; |
| bias-disable; |
| }; |
| |
| &lpass_rx_swr_data { |
| drive-strength = <2>; |
| slew-rate = <1>; |
| bias-bus-hold; |
| }; |
| |
| &lpass_tx_swr_clk { |
| drive-strength = <2>; |
| slew-rate = <1>; |
| bias-disable; |
| }; |
| |
| &lpass_tx_swr_data { |
| drive-strength = <2>; |
| slew-rate = <1>; |
| bias-bus-hold; |
| }; |
| |
| &mi2s1_data0 { |
| drive-strength = <6>; |
| bias-disable; |
| }; |
| |
| &mi2s1_sclk { |
| drive-strength = <6>; |
| bias-disable; |
| }; |
| |
| &mi2s1_ws { |
| drive-strength = <6>; |
| }; |
| |
| &pm7325_gpios { |
| key_vol_up_default: key-vol-up-state { |
| pins = "gpio6"; |
| function = "normal"; |
| input-enable; |
| bias-pull-up; |
| power-source = <0>; |
| qcom,drive-strength = <3>; |
| }; |
| }; |
| |
| &pcie1_clkreq_n { |
| bias-pull-up; |
| drive-strength = <2>; |
| }; |
| |
| &qspi_cs0 { |
| bias-disable; |
| }; |
| |
| &qspi_clk { |
| bias-disable; |
| }; |
| |
| &qspi_data01 { |
| /* High-Z when no transfers; nice to park the lines */ |
| bias-pull-up; |
| }; |
| |
| &qup_uart5_tx { |
| drive-strength = <2>; |
| bias-disable; |
| }; |
| |
| &qup_uart5_rx { |
| drive-strength = <2>; |
| bias-pull-up; |
| }; |
| |
| &qup_uart7_cts { |
| /* |
| * Configure a bias-bus-hold on CTS to lower power |
| * usage when Bluetooth is turned off. Bus hold will |
| * maintain a low power state regardless of whether |
| * the Bluetooth module drives the pin in either |
| * direction or leaves the pin fully unpowered. |
| */ |
| bias-bus-hold; |
| }; |
| |
| &qup_uart7_rts { |
| /* We'll drive RTS, so no pull */ |
| drive-strength = <2>; |
| bias-disable; |
| }; |
| |
| &qup_uart7_tx { |
| /* We'll drive TX, so no pull */ |
| drive-strength = <2>; |
| bias-disable; |
| }; |
| |
| &qup_uart7_rx { |
| /* |
| * Configure a pull-up on RX. This is needed to avoid |
| * garbage data when the TX pin of the Bluetooth module is |
| * in tri-state (module powered off or not driving the |
| * signal yet). |
| */ |
| bias-pull-up; |
| }; |
| |
| &sdc1_clk { |
| bias-disable; |
| drive-strength = <16>; |
| }; |
| |
| &sdc1_cmd { |
| bias-pull-up; |
| drive-strength = <10>; |
| }; |
| |
| &sdc1_data { |
| bias-pull-up; |
| drive-strength = <10>; |
| }; |
| |
| &sdc1_rclk { |
| bias-pull-down; |
| }; |
| |
| &sdc2_clk { |
| bias-disable; |
| drive-strength = <16>; |
| }; |
| |
| &sdc2_cmd { |
| bias-pull-up; |
| drive-strength = <10>; |
| }; |
| |
| &sdc2_data { |
| bias-pull-up; |
| drive-strength = <10>; |
| }; |
| |
| &tlmm { |
| amp_en: amp-en-state { |
| pins = "gpio63"; |
| bias-pull-down; |
| drive-strength = <2>; |
| }; |
| |
| bt_en: bt-en-state { |
| pins = "gpio85"; |
| function = "gpio"; |
| output-low; |
| bias-disable; |
| }; |
| |
| nvme_pwren: nvme-pwren-state { |
| function = "gpio"; |
| }; |
| |
| pcie1_reset_n: pcie1-reset-n-state { |
| pins = "gpio2"; |
| function = "gpio"; |
| |
| drive-strength = <16>; |
| output-low; |
| bias-disable; |
| }; |
| |
| pcie1_wake_n: pcie1-wake-n-state { |
| pins = "gpio3"; |
| function = "gpio"; |
| |
| drive-strength = <2>; |
| bias-pull-up; |
| }; |
| |
| qup_uart7_sleep_cts: qup-uart7-sleep-cts-state { |
| pins = "gpio28"; |
| function = "gpio"; |
| /* |
| * Configure a bias-bus-hold on CTS to lower power |
| * usage when Bluetooth is turned off. Bus hold will |
| * maintain a low power state regardless of whether |
| * the Bluetooth module drives the pin in either |
| * direction or leaves the pin fully unpowered. |
| */ |
| bias-bus-hold; |
| }; |
| |
| qup_uart7_sleep_rts: qup-uart7-sleep-rts-state { |
| pins = "gpio29"; |
| function = "gpio"; |
| /* |
| * Configure pull-down on RTS. As RTS is active low |
| * signal, pull it low to indicate the BT SoC that it |
| * can wakeup the system anytime from suspend state by |
| * pulling RX low (by sending wakeup bytes). |
| */ |
| bias-pull-down; |
| }; |
| |
| qup_uart7_sleep_tx: qup-uart7-sleep-tx-state { |
| pins = "gpio30"; |
| function = "gpio"; |
| /* |
| * Configure pull-up on TX when it isn't actively driven |
| * to prevent BT SoC from receiving garbage during sleep. |
| */ |
| bias-pull-up; |
| }; |
| |
| qup_uart7_sleep_rx: qup-uart7-sleep-rx-state { |
| pins = "gpio31"; |
| function = "gpio"; |
| /* |
| * Configure a pull-up on RX. This is needed to avoid |
| * garbage data when the TX pin of the Bluetooth module |
| * is floating which may cause spurious wakeups. |
| */ |
| bias-pull-up; |
| }; |
| |
| sd_cd: sd-cd-state { |
| pins = "gpio91"; |
| function = "gpio"; |
| bias-pull-up; |
| }; |
| |
| sw_ctrl: sw-ctrl-state { |
| pins = "gpio86"; |
| function = "gpio"; |
| bias-pull-down; |
| }; |
| |
| wcd_reset_n: wcd-reset-n-state { |
| pins = "gpio83"; |
| function = "gpio"; |
| drive-strength = <8>; |
| }; |
| |
| wcd_reset_n_sleep: wcd-reset-n-sleep-state { |
| pins = "gpio83"; |
| function = "gpio"; |
| drive-strength = <8>; |
| bias-disable; |
| }; |
| }; |
