67e7607fcd
Add the pinctrl to switch mmc clk pins in gpio (pulled down) mode. This is necessary to be able to gate the clk outside of the SoC while keeping it running in the controller Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
176 lines
3.5 KiB
Plaintext
176 lines
3.5 KiB
Plaintext
/*
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* Copyright (c) 2016 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
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* Based on meson-gx-p23x-q20x.dtsi:
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* - Copyright (c) 2016 Endless Computers, Inc.
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* Author: Carlo Caione <carlo@endlessm.com>
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* - Copyright (c) 2016 BayLibre, SAS.
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* Author: Neil Armstrong <narmstrong@baylibre.com>
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*
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* SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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*/
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/* Common DTSI for devices which are based on the P212 reference board. */
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#include "meson-gxl-s905x.dtsi"
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/ {
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aliases {
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serial0 = &uart_AO;
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serial1 = &uart_A;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x80000000>;
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};
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vddio_boot: regulator-vddio_boot {
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compatible = "regulator-fixed";
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regulator-name = "VDDIO_BOOT";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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vddao_3v3: regulator-vddao_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VDDAO_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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vddio_ao18: regulator-vddio_ao18 {
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compatible = "regulator-fixed";
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regulator-name = "VDDIO_AO18";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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vcc_3v3: regulator-vcc_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VCC_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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emmc_pwrseq: emmc-pwrseq {
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compatible = "mmc-pwrseq-emmc";
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reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
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};
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wifi32k: wifi32k {
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compatible = "pwm-clock";
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#clock-cells = <0>;
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clock-frequency = <32768>;
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pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
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};
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sdio_pwrseq: sdio-pwrseq {
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compatible = "mmc-pwrseq-simple";
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reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
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clocks = <&wifi32k>;
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clock-names = "ext_clock";
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};
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};
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ðmac {
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status = "okay";
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};
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&ir {
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status = "okay";
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pinctrl-0 = <&remote_input_ao_pins>;
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pinctrl-names = "default";
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};
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&saradc {
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status = "okay";
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vref-supply = <&vddio_ao18>;
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};
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/* Wireless SDIO Module */
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&sd_emmc_a {
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status = "okay";
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pinctrl-0 = <&sdio_pins>;
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pinctrl-1 = <&sdio_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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#address-cells = <1>;
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#size-cells = <0>;
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bus-width = <4>;
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cap-sd-highspeed;
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max-frequency = <100000000>;
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non-removable;
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disable-wp;
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mmc-pwrseq = <&sdio_pwrseq>;
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vmmc-supply = <&vddao_3v3>;
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vqmmc-supply = <&vddio_boot>;
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};
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/* SD card */
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&sd_emmc_b {
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status = "okay";
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pinctrl-0 = <&sdcard_pins>;
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pinctrl-1 = <&sdcard_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <4>;
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cap-sd-highspeed;
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max-frequency = <100000000>;
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disable-wp;
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cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
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cd-inverted;
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vmmc-supply = <&vddao_3v3>;
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vqmmc-supply = <&vddio_boot>;
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};
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/* eMMC */
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&sd_emmc_c {
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status = "okay";
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pinctrl-0 = <&emmc_pins>;
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pinctrl-1 = <&emmc_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <8>;
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cap-mmc-highspeed;
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max-frequency = <200000000>;
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non-removable;
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disable-wp;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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mmc-pwrseq = <&emmc_pwrseq>;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&vddio_boot>;
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};
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&pwm_ef {
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status = "okay";
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pinctrl-0 = <&pwm_e_pins>;
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pinctrl-names = "default";
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clocks = <&clkc CLKID_FCLK_DIV4>;
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clock-names = "clkin0";
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};
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/* This is connected to the Bluetooth module: */
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&uart_A {
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status = "okay";
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pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
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pinctrl-names = "default";
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uart-has-rtscts;
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};
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&uart_AO {
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status = "okay";
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pinctrl-0 = <&uart_ao_a_pins>;
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pinctrl-names = "default";
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};
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