mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2026-07-07 05:52:04 +00:00
Yann GautierandYann Gautier
0aae96cfb9
With the /omit-if-no-ref/ keyword in DT, the non-referenced nodes are just removed. This allows reducing the size of device tree blobs. Setting it before pins node allows a size reduction of more than 2kB. The corresponding nodes can also be removed from BL2 and BL32 DT overlays. Signed-off-by: Yann Gautier <yann.gautier@st.com> Change-Id: I6b4a4d227d5592e1d253a1b35da2dafaac2ddcae
104 lines
2.5 KiB
Devicetree
104 lines
2.5 KiB
Devicetree
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
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/*
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* Copyright (c) 2022-2023, STMicroelectronics - All Rights Reserved
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* Author: Alexandre Torgue <alexandre.torgue@foss.st.com>
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*/
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#include <dt-bindings/pinctrl/stm32-pinfunc.h>
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&pinctrl {
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/omit-if-no-ref/ i2c4_pins_a: i2c4-0 {
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pins {
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pinmux = <STM32_PINMUX('E', 15, AF6)>, /* I2C4_SCL */
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<STM32_PINMUX('B', 9, AF6)>; /* I2C4_SDA */
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bias-disable;
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drive-open-drain;
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slew-rate = <0>;
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};
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};
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/omit-if-no-ref/ sdmmc1_b4_pins_a: sdmmc1-b4-0 {
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pins {
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pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
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<STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
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<STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
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<STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */
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<STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
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slew-rate = <1>;
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drive-push-pull;
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bias-disable;
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};
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};
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/omit-if-no-ref/ sdmmc1_clk_pins_a: sdmmc1-clk-0 {
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pins {
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pinmux = <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */
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slew-rate = <1>;
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drive-push-pull;
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bias-disable;
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};
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};
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/omit-if-no-ref/ sdmmc2_b4_pins_a: sdmmc2-b4-0 {
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pins {
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pinmux = <STM32_PINMUX('B', 14, AF10)>, /* SDMMC2_D0 */
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<STM32_PINMUX('B', 15, AF10)>, /* SDMMC2_D1 */
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<STM32_PINMUX('B', 3, AF10)>, /* SDMMC2_D2 */
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<STM32_PINMUX('B', 4, AF10)>, /* SDMMC2_D3 */
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<STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
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slew-rate = <1>;
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drive-push-pull;
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bias-pull-up;
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};
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};
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/omit-if-no-ref/ sdmmc2_clk_pins_a: sdmmc2-clk-0 {
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pins {
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pinmux = <STM32_PINMUX('E', 3, AF10)>; /* SDMMC2_CK */
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slew-rate = <1>;
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drive-push-pull;
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bias-pull-up;
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};
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};
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/omit-if-no-ref/ uart4_pins_a: uart4-0 {
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pins1 {
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pinmux = <STM32_PINMUX('D', 6, AF8)>; /* UART4_TX */
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bias-disable;
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drive-push-pull;
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slew-rate = <0>;
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};
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pins2 {
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pinmux = <STM32_PINMUX('D', 8, AF8)>; /* UART4_RX */
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bias-disable;
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};
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};
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/omit-if-no-ref/ usart1_pins_a: usart1-0 {
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pins1 {
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pinmux = <STM32_PINMUX('C', 0, AF7)>, /* USART1_TX */
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<STM32_PINMUX('C', 2, AF7)>; /* USART1_RTS */
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bias-disable;
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drive-push-pull;
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slew-rate = <0>;
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};
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pins2 {
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pinmux = <STM32_PINMUX('B', 0, AF4)>, /* USART1_RX */
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<STM32_PINMUX('A', 7, AF7)>; /* USART1_CTS_NSS */
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bias-pull-up;
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};
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};
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/omit-if-no-ref/ uart8_pins_a: uart8-0 {
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pins1 {
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pinmux = <STM32_PINMUX('E', 1, AF8)>; /* UART8_TX */
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bias-disable;
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drive-push-pull;
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slew-rate = <0>;
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};
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pins2 {
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pinmux = <STM32_PINMUX('F', 9, AF8)>; /* UART8_RX */
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bias-pull-up;
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};
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};
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};
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