c391832342
All ESP32 boards shows a garbage char before Zephyr banner. This happens during uart TX pin configuration that current lacks setting as output high. Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
51 lines
859 B
Plaintext
51 lines
859 B
Plaintext
/*
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* Copyright 2022 Google LLC
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h>
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#include <dt-bindings/pinctrl/esp32c3-pinctrl.h>
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#include <zephyr/dt-bindings/pinctrl/esp32c3-gpio-sigmap.h>
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&pinctrl {
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uart0_default: uart0_default {
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group1 {
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pinmux = <UART0_TX_GPIO21>;
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output-high;
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};
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group2 {
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pinmux = <UART0_RX_GPIO20>;
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bias-pull-up;
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};
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};
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spim2_default: spim2_default {
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group1 {
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pinmux = <SPIM2_MISO_GPIO9>,
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<SPIM2_SCLK_GPIO8>;
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};
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group2 {
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pinmux = <SPIM2_MOSI_GPIO10>;
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output-low;
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};
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};
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i2c0_default: i2c0_default {
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group1 {
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pinmux = <I2C0_SDA_GPIO6>,
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<I2C0_SCL_GPIO7>;
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bias-pull-up;
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drive-open-drain;
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output-high;
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};
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};
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twai_default: twai_default {
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group1 {
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pinmux = <TWAI_TX_GPIO2>,
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<TWAI_RX_GPIO3>;
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};
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};
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};
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