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boards: esp32: dts: uart: add default UART pinctrl states

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through the inclusion of pinctrl-[0/name] properties to
ESP32's board UART nodes.

Signed-off-by: Glauber Maroto Ferreira <glauber.ferreira@espressif.com>
This commit is contained in:
Glauber Maroto Ferreira 2022-01-30 19:22:37 -03:00 • committed by Carles Cufí
commit a263f2c498
2 changed files with 47 additions and 6 deletions
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40
boards/xtensa/esp32/esp32-pinctrl.dtsi Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <dt-bindings/pinctrl/esp-pinctrl-common.h>
#include <dt-bindings/pinctrl/esp32-pinctrl.h>
#include <dt-bindings/pinctrl/esp32-gpio-sigmap.h>
&pinctrl {
uart0_tx_gpio1: uart0_tx_gpio1 {
pinmux = <UART0_TX_GPIO1>;
};
uart0_rx_gpio3: uart0_rx_gpio3 {
pinmux = <UART0_RX_GPIO3>;
bias-pull-up;
};
uart1_tx_gpio10: uart1_tx_gpio10 {
pinmux = <UART0_TX_GPIO10>;
};
uart1_rx_gpio9: uart1_rx_gpio9 {
pinmux = <UART0_RX_GPIO9>;
bias-pull-up;
};
uart2_tx_gpio17: uart2_tx_gpio17 {
pinmux = <UART0_TX_GPIO17>;
};
uart2_rx_gpio16: uart2_rx_gpio16 {
pinmux = <UART0_RX_GPIO16>;
bias-pull-up;
};
};

13
boards/xtensa/esp32/esp32.dts
View file

@ -6,6 +6,7 @@
/dts-v1/; /dts-v1/;
#include <espressif/esp32.dtsi> #include <espressif/esp32.dtsi>
#include "esp32-pinctrl.dtsi"
/ { / {
model = "esp32"; model = "esp32";
@ -35,20 +36,20 @@
&uart0 { &uart0 {
status = "okay"; status = "okay";
current-speed = <115200>; current-speed = <115200>;
tx-pin = <1>; pinctrl-0 = <&uart0_tx_gpio1 &uart0_rx_gpio3>;
rx-pin = <3>; pinctrl-names = "default";
}; };
&uart1 { &uart1 {
current-speed = <115200>; current-speed = <115200>;
tx-pin = <10>; pinctrl-0 = <&uart1_tx_gpio10 &uart1_rx_gpio9>;
rx-pin = <9>; pinctrl-names = "default";
}; };
&uart2 { &uart2 {
current-speed = <115200>; current-speed = <115200>;
tx-pin = <17>; pinctrl-0 = <&uart2_tx_gpio17 &uart2_rx_gpio16>;
rx-pin = <16>; pinctrl-names = "default";
}; };
&gpio0 { &gpio0 {