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board: arm64: add pinctrl support for imx93 evk board

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1. Added imx93-pinctrl dts binding yaml
2. Added imx93 pinctrl_soc.h header file
3. Updated imx93 dts to enable pinctrl for lpuart.

Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
This commit is contained in:
Jiafei Pan 2022-11-10 15:32:09 +08:00 • committed by Carles Cufí
commit 921b32663b
6 changed files with 215 additions and 0 deletions
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19
boards/arm64/mimx93_evk/mimx93_evk-pinctrl.dtsi Normal file
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@ -0,0 +1,19 @@
/*
* Copyright (c) 2022, NXP
* SPDX-License-Identifier: Apache-2.0
*
*/
#include <nxp/nxp_imx/mimx9352cvuxk-pinctrl.dtsi>
&pinctrl {
uart2_default: uart2_default {
group0 {
pinmux = <&iomuxc_uart2_rxd_uart_rx_uart2_rx>,
<&iomuxc_uart2_txd_uart_tx_uart2_tx>;
bias-pull-up;
slew-rate = "slightly_fast";
drive-strength = "x5";
};
};
};

4
boards/arm64/mimx93_evk/mimx93_evk_a55.dts
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@ -7,6 +7,7 @@
/dts-v1/;
#include <nxp/nxp_mimx93_a55.dtsi>
#include "mimx93_evk-pinctrl.dtsi"
/ {
model = "NXP i.MX93 A55";
@ -32,4 +33,7 @@
&lpuart2 {
status = "okay";
current-speed = <115200>;
/* clocks = <&ccm IMX_CCM_UART4_CLK 0x6c 24>; */
pinctrl-0 = <&uart2_default>;
pinctrl-names = "default";
};

1
boards/arm64/mimx93_evk/mimx93_evk_a55_defconfig
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@ -29,3 +29,4 @@ CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y
CONFIG_CLOCK_CONTROL=y
CONFIG_PINCTRL=y