162 lines
3.0 KiB
Plaintext
162 lines
3.0 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0 OR MIT
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/*
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* Copyright (C) 2021 StarFive Technology Co., Ltd.
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* Copyright (C) 2021 Emil Renner Berthing <kernel@esmil.dk>
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*/
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/dts-v1/;
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#include "jh7100.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/leds/common.h>
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#include <dt-bindings/pinctrl/pinctrl-starfive-jh7100.h>
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/ {
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aliases {
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serial0 = &uart3;
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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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cpus {
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timebase-frequency = <6250000>;
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};
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memory@80000000 {
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device_type = "memory";
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reg = <0x0 0x80000000 0x2 0x0>;
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};
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leds {
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compatible = "gpio-leds";
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led-ack {
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gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
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color = <LED_COLOR_ID_GREEN>;
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function = LED_FUNCTION_HEARTBEAT;
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linux,default-trigger = "heartbeat";
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label = "ack";
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};
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};
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};
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&gpio {
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i2c0_pins: i2c0-0 {
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i2c-pins {
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pinmux = <GPIOMUX(62, GPO_LOW,
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GPO_I2C0_PAD_SCK_OEN,
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GPI_I2C0_PAD_SCK_IN)>,
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<GPIOMUX(61, GPO_LOW,
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GPO_I2C0_PAD_SDA_OEN,
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GPI_I2C0_PAD_SDA_IN)>;
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bias-disable; /* external pull-up */
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input-enable;
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input-schmitt-enable;
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};
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};
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i2c1_pins: i2c1-0 {
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i2c-pins {
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pinmux = <GPIOMUX(47, GPO_LOW,
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GPO_I2C1_PAD_SCK_OEN,
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GPI_I2C1_PAD_SCK_IN)>,
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<GPIOMUX(48, GPO_LOW,
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GPO_I2C1_PAD_SDA_OEN,
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GPI_I2C1_PAD_SDA_IN)>;
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bias-pull-up;
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input-enable;
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input-schmitt-enable;
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};
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};
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i2c2_pins: i2c2-0 {
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i2c-pins {
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pinmux = <GPIOMUX(60, GPO_LOW,
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GPO_I2C2_PAD_SCK_OEN,
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GPI_I2C2_PAD_SCK_IN)>,
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<GPIOMUX(59, GPO_LOW,
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GPO_I2C2_PAD_SDA_OEN,
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GPI_I2C2_PAD_SDA_IN)>;
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bias-disable; /* external pull-up */
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input-enable;
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input-schmitt-enable;
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};
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};
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uart3_pins: uart3-0 {
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rx-pins {
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pinmux = <GPIOMUX(13, GPO_LOW, GPO_DISABLE,
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GPI_UART3_PAD_SIN)>;
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bias-pull-up;
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drive-strength = <14>;
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input-enable;
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input-schmitt-enable;
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slew-rate = <0>;
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};
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tx-pins {
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pinmux = <GPIOMUX(14, GPO_UART3_PAD_SOUT,
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GPO_ENABLE, GPI_NONE)>;
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bias-disable;
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drive-strength = <35>;
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input-disable;
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input-schmitt-disable;
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slew-rate = <0>;
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};
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};
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};
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&i2c0 {
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clock-frequency = <100000>;
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i2c-sda-hold-time-ns = <300>;
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i2c-sda-falling-time-ns = <500>;
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i2c-scl-falling-time-ns = <500>;
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins>;
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status = "okay";
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pmic@5e {
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compatible = "ti,tps65086";
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reg = <0x5e>;
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gpio-controller;
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#gpio-cells = <2>;
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regulators {
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};
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};
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};
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&i2c1 {
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clock-frequency = <400000>;
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i2c-sda-hold-time-ns = <300>;
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i2c-sda-falling-time-ns = <100>;
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i2c-scl-falling-time-ns = <100>;
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins>;
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status = "okay";
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};
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&i2c2 {
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clock-frequency = <100000>;
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i2c-sda-hold-time-ns = <300>;
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i2c-sda-falling-time-ns = <500>;
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i2c-scl-falling-time-ns = <500>;
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_pins>;
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status = "okay";
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};
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&osc_sys {
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clock-frequency = <25000000>;
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};
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&osc_aud {
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clock-frequency = <27000000>;
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};
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&uart3 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart3_pins>;
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status = "okay";
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};
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