7b69552264
Add pinctrl definitions for the I2C controllers used in RoseapplePi SBC. For the moment enable only I2C0, which is used by the ATC2603C PMIC. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
135 lines
2.1 KiB
Plaintext
135 lines
2.1 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Roseapple Pi
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*
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* Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
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*/
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/dts-v1/;
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#include "owl-s500.dtsi"
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/ {
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compatible = "roseapplepi,roseapplepi", "actions,s500";
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model = "Roseapple Pi";
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aliases {
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mmc0 = &mmc0;
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serial2 = &uart2;
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};
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chosen {
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stdout-path = "serial2:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x80000000>; /* 2GB */
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};
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/* Fixed regulator used in the absence of PMIC */
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sd_vcc: sd-vcc {
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compatible = "regulator-fixed";
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regulator-name = "fixed-3.1V";
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regulator-min-microvolt = <3100000>;
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regulator-max-microvolt = <3100000>;
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regulator-always-on;
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};
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};
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&i2c0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins>;
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};
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&i2c1 {
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status = "disabled";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins>;
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};
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&i2c2 {
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status = "disabled";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_pins>;
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};
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&pinctrl {
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i2c0_pins: i2c0-pins {
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pinmux {
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groups = "i2c0_mfp";
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function = "i2c0";
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};
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pinconf {
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pins = "i2c0_sclk", "i2c0_sdata";
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bias-pull-up;
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};
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};
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i2c1_pins: i2c1-pins {
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pinconf {
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pins = "i2c1_sclk", "i2c1_sdata";
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bias-pull-up;
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};
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};
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i2c2_pins: i2c2-pins {
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pinconf {
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pins = "i2c2_sclk", "i2c2_sdata";
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bias-pull-up;
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};
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};
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mmc0_pins: mmc0-pins {
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pinmux {
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groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp",
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"sd0_cmd_mfp", "sd0_clk_mfp";
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function = "sd0";
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};
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drv-pinconf {
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groups = "sd0_d0_d3_drv", "sd0_cmd_drv", "sd0_clk_drv";
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drive-strength = <8>;
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};
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bias0-pinconf {
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pins = "sd0_d0", "sd0_d1", "sd0_d2",
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"sd0_d3", "sd0_cmd";
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bias-pull-up;
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};
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bias1-pinconf {
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pins = "sd0_clk";
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bias-pull-down;
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};
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};
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};
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/* uSD */
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&mmc0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&mmc0_pins>;
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no-sdio;
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no-mmc;
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no-1-8-v;
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cd-gpios = <&pinctrl 117 GPIO_ACTIVE_LOW>;
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bus-width = <4>;
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vmmc-supply = <&sd_vcc>;
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vqmmc-supply = <&sd_vcc>;
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};
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&twd_timer {
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status = "okay";
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};
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&timer {
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clocks = <&hosc>;
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};
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&uart2 {
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status = "okay";
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};
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