ab91612a6d
Use i2c_hal functions to enable support for multiple SoCs. Use DT compat to enable I2C from device tree configuration Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
158 lines
3.4 KiB
Text
158 lines
3.4 KiB
Text
/*
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* Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <mem.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/i2c/i2c.h>
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#include <dt-bindings/interrupt-controller/esp-esp32c3-intmux.h>
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#include <dt-bindings/clock/esp32c3_clock.h>
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/ {
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#address-cells = <1>;
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#size-cells = <1>;
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chosen {
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zephyr,entropy = &trng0;
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zephyr,flash-controller = &flash;
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};
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu0: cpu@0 {
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device_type = "cpu";
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compatible = "esp,riscv";
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reg = <0>;
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};
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};
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soc {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "simple-bus";
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ranges;
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sram0: memory@3fc7c000 {
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compatible = "mmio-sram";
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reg = <0x3fc7c000 0x50000>;
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};
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pinmux: pinmux@60009000 {
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compatible = "espressif,esp32-pinmux";
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reg = <0x60009000 0x800>;
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};
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intc: interrupt-controller@600c2000 {
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#interrupt-cells = <1>;
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compatible = "espressif,esp32-intc";
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interrupt-controller;
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reg = <0x600c2000 0x198>;
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label = "INTC_0";
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status = "okay";
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};
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systimer0: systimer@60023000 {
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compatible = "espressif,esp32-systimer";
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reg = <0x60023000 0x80>;
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interrupts = <SYSTIMER_TARGET0_EDGE_INTR_SOURCE>;
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interrupt-parent = <&intc>;
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label = "SYSTIMER_0";
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status = "okay";
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};
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rtc: rtc@60008000 {
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compatible = "espressif,esp32-rtc";
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reg = <0x60008000 0x1000>;
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label = "RTC";
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xtal-freq = <ESP32_CLK_XTAL_40M>;
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#clock-cells = <1>;
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status = "ok";
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};
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flash: flash-controller@60002000 {
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compatible = "espressif,esp32-flash-controller";
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label = "FLASH_CTRL";
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reg = <0x60002000 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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flash0: flash@0 {
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compatible = "soc-nv-flash";
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label = "FLASH_ESP32C3";
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reg = <0 0x400000>;
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erase-block-size = <4096>;
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write-block-size = <4>;
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};
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};
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gpio0: gpio@60004000 {
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compatible = "espressif,esp32-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0x60004000 0x800>;
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interrupts = <GPIO_INTR_SOURCE>;
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interrupt-parent = <&intc>;
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label = "GPIO_0";
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ngpios = <32>; /* 0..31 */
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};
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i2c0: i2c@60013000 {
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compatible = "espressif,esp32-i2c";
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0x60013000 0x1000>;
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interrupts = <I2C_EXT0_INTR_SOURCE>;
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interrupt-parent = <&intc>;
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label = "I2C_0";
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clocks = <&rtc ESP32_I2C0_MODULE>;
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status = "disabled";
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};
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uart0: uart@60000000 {
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compatible = "espressif,esp32-uart";
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reg = <0x60000000 0x400>;
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label = "UART_0";
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interrupts = <UART0_INTR_SOURCE>;
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interrupt-parent = <&intc>;
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clocks = <&rtc ESP32_UART0_MODULE>;
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current-speed = <115200>;
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status = "okay";
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tx-pin = <21>;
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rx-pin = <20>;
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};
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uart1: uart@60010000 {
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compatible = "espressif,esp32-uart";
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reg = <0x60010000 0x400>;
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label = "UART_1";
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status = "disabled";
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interrupts = <UART1_INTR_SOURCE>;
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interrupt-parent = <&intc>;
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clocks = <&rtc ESP32_UART1_MODULE>;
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current-speed = <115200>;
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};
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trng0: trng@3ff700b0 {
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compatible = "espressif,esp32-trng";
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reg = <0x3FF700B0 0x4>;
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label = "TRNG_0";
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status = "disabled";
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};
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spi2: spi@60024000 {
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compatible = "espressif,esp32-spi";
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reg = <0x60024000 DT_SIZE_K(4)>;
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interrupts = <SPI2_INTR_SOURCE>;
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interrupt-parent = <&intc>;
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label = "SPI_2";
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clocks = <&rtc ESP32_SPI2_MODULE>;
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status = "disabled";
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use-iomux;
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};
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};
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};
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