0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (c) 2016 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
0004 * Based on meson-gx-p23x-q20x.dtsi:
0005 * - Copyright (c) 2016 Endless Computers, Inc.
0006 * Author: Carlo Caione <carlo@endlessm.com>
0007 * - Copyright (c) 2016 BayLibre, SAS.
0008 * Author: Neil Armstrong <narmstrong@baylibre.com>
0009 */
0010
0011 /* Common DTSI for devices which are based on the P212 reference board. */
0012
0013 #include "meson-gxl-s905x.dtsi"
0014
0015 / {
0016 aliases {
0017 serial0 = &uart_AO;
0018 ethernet0 = ðmac;
0019 };
0020
0021 chosen {
0022 stdout-path = "serial0:115200n8";
0023 };
0024
0025 memory@0 {
0026 device_type = "memory";
0027 reg = <0x0 0x0 0x0 0x80000000>;
0028 };
0029
0030 hdmi_5v: regulator-hdmi-5v {
0031 compatible = "regulator-fixed";
0032
0033 regulator-name = "HDMI_5V";
0034 regulator-min-microvolt = <5000000>;
0035 regulator-max-microvolt = <5000000>;
0036
0037 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
0038 enable-active-high;
0039 regulator-always-on;
0040 };
0041
0042 vddio_boot: regulator-vddio_boot {
0043 compatible = "regulator-fixed";
0044 regulator-name = "VDDIO_BOOT";
0045 regulator-min-microvolt = <1800000>;
0046 regulator-max-microvolt = <1800000>;
0047 };
0048
0049 vddao_3v3: regulator-vddao_3v3 {
0050 compatible = "regulator-fixed";
0051 regulator-name = "VDDAO_3V3";
0052 regulator-min-microvolt = <3300000>;
0053 regulator-max-microvolt = <3300000>;
0054 };
0055
0056 vddio_ao18: regulator-vddio_ao18 {
0057 compatible = "regulator-fixed";
0058 regulator-name = "VDDIO_AO18";
0059 regulator-min-microvolt = <1800000>;
0060 regulator-max-microvolt = <1800000>;
0061 };
0062
0063 vcc_3v3: regulator-vcc_3v3 {
0064 compatible = "regulator-fixed";
0065 regulator-name = "VCC_3V3";
0066 regulator-min-microvolt = <3300000>;
0067 regulator-max-microvolt = <3300000>;
0068 };
0069
0070 emmc_pwrseq: emmc-pwrseq {
0071 compatible = "mmc-pwrseq-emmc";
0072 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
0073 };
0074
0075 wifi32k: wifi32k {
0076 compatible = "pwm-clock";
0077 #clock-cells = <0>;
0078 clock-frequency = <32768>;
0079 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
0080 };
0081
0082 sdio_pwrseq: sdio-pwrseq {
0083 compatible = "mmc-pwrseq-simple";
0084 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
0085 clocks = <&wifi32k>;
0086 clock-names = "ext_clock";
0087 };
0088 };
0089
0090 ðmac {
0091 status = "okay";
0092 };
0093
0094 &ir {
0095 status = "okay";
0096 pinctrl-0 = <&remote_input_ao_pins>;
0097 pinctrl-names = "default";
0098 };
0099
0100 &saradc {
0101 status = "okay";
0102 vref-supply = <&vddio_ao18>;
0103 };
0104
0105 /* Wireless SDIO Module */
0106 &sd_emmc_a {
0107 status = "okay";
0108 pinctrl-0 = <&sdio_pins>;
0109 pinctrl-1 = <&sdio_clk_gate_pins>;
0110 pinctrl-names = "default", "clk-gate";
0111 #address-cells = <1>;
0112 #size-cells = <0>;
0113
0114 bus-width = <4>;
0115 cap-sd-highspeed;
0116 max-frequency = <50000000>;
0117
0118 non-removable;
0119 disable-wp;
0120
0121 /* WiFi firmware requires power to be kept while in suspend */
0122 keep-power-in-suspend;
0123
0124 mmc-pwrseq = <&sdio_pwrseq>;
0125
0126 vmmc-supply = <&vddao_3v3>;
0127 vqmmc-supply = <&vddio_boot>;
0128 };
0129
0130 /* SD card */
0131 &sd_emmc_b {
0132 status = "okay";
0133 pinctrl-0 = <&sdcard_pins>;
0134 pinctrl-1 = <&sdcard_clk_gate_pins>;
0135 pinctrl-names = "default", "clk-gate";
0136
0137 bus-width = <4>;
0138 cap-sd-highspeed;
0139 max-frequency = <50000000>;
0140 disable-wp;
0141
0142 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
0143
0144 vmmc-supply = <&vddao_3v3>;
0145 vqmmc-supply = <&vddio_boot>;
0146 };
0147
0148 /* eMMC */
0149 &sd_emmc_c {
0150 status = "okay";
0151 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
0152 pinctrl-1 = <&emmc_clk_gate_pins>;
0153 pinctrl-names = "default", "clk-gate";
0154
0155 bus-width = <8>;
0156 cap-mmc-highspeed;
0157 max-frequency = <200000000>;
0158 non-removable;
0159 disable-wp;
0160 mmc-ddr-1_8v;
0161 mmc-hs200-1_8v;
0162
0163 mmc-pwrseq = <&emmc_pwrseq>;
0164 vmmc-supply = <&vcc_3v3>;
0165 vqmmc-supply = <&vddio_boot>;
0166 };
0167
0168 &pwm_ef {
0169 status = "okay";
0170 pinctrl-0 = <&pwm_e_pins>;
0171 pinctrl-names = "default";
0172 clocks = <&clkc CLKID_FCLK_DIV4>;
0173 clock-names = "clkin0";
0174 };
0175
0176 /* This is connected to the Bluetooth module: */
0177 &uart_A {
0178 status = "okay";
0179 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
0180 pinctrl-names = "default";
0181 uart-has-rtscts;
0182
0183 bluetooth {
0184 compatible = "brcm,bcm43438-bt";
0185 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
0186 max-speed = <2000000>;
0187 clocks = <&wifi32k>;
0188 clock-names = "lpo";
0189 };
0190 };
0191
0192 &uart_AO {
0193 status = "okay";
0194 pinctrl-0 = <&uart_ao_a_pins>;
0195 pinctrl-names = "default";
0196 };
0197
0198 &usb {
0199 status = "okay";
0200 dr_mode = "host";
0201 };
0202
0203 &usb2_phy0 {
0204 /*
0205 * HDMI_5V is also used as supply for the USB VBUS.
0206 */
0207 phy-supply = <&hdmi_5v>;
0208 };
