On 06.12.2024 21:59, Ryan.Wanner@xxxxxxxxxxxxx wrote:
> From: Romain Sioen <romain.sioen@xxxxxxxxxxxxx>
>
> Add device tree support for the SAMA7D65 Curiosity board.
> Update the Makefile to include the new device tree file.
>
> uart6 is related to flexcom6, hence not sorted in alphabetical order.
>
> Signed-off-by: Romain Sioen <romain.sioen@xxxxxxxxxxxxx>
> Signed-off-by: Varshini Rajendran <varshini.rajendran@xxxxxxxxxxxxx>
> Signed-off-by: Ryan Wanner <Ryan.Wanner@xxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/microchip/Makefile | 3 +
> .../dts/microchip/at91-sama7d65_curiosity.dts | 89 +++++++++++++++++++
> 2 files changed, 92 insertions(+)
> create mode 100644 arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
>
> diff --git a/arch/arm/boot/dts/microchip/Makefile b/arch/arm/boot/dts/microchip/Makefile
> index 470fe46433a9..79cd38fdc7da 100644
> --- a/arch/arm/boot/dts/microchip/Makefile
> +++ b/arch/arm/boot/dts/microchip/Makefile
> @@ -12,6 +12,7 @@ DTC_FLAGS_at91-sama5d2_xplained := -@
> DTC_FLAGS_at91-sama5d3_eds := -@
> DTC_FLAGS_at91-sama5d3_xplained := -@
> DTC_FLAGS_at91-sama5d4_xplained := -@
> +DTC_FLAGS_at91-sama7d65_curiosity := -@
> DTC_FLAGS_at91-sama7g54_curiosity := -@
> DTC_FLAGS_at91-sama7g5ek := -@
> dtb-$(CONFIG_SOC_AT91RM9200) += \
> @@ -90,6 +91,8 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
> at91-sama5d4_xplained.dtb \
> at91-sama5d4ek.dtb \
> at91-vinco.dtb
> +dtb-$(CONFIG_SOC_SAMA7D65) += \
> + at91-sama7d65_curiosity.dtb
> dtb-$(CONFIG_SOC_SAMA7G5) += \
> at91-sama7g54_curiosity.dtb \
> at91-sama7g5ek.dtb
> diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> new file mode 100644
> index 000000000000..3aab2c542d98
> --- /dev/null
> +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> @@ -0,0 +1,89 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * at91-sama7d65_curiosity.dts - Device Tree file for SAMA7D65 Curiosity board
> + *
> + * Copyright (c) 2024 Microchip Technology Inc. and its subsidiaries
> + *
> + * Author: Romain Sioen <romain.sioen@xxxxxxxxxxxxx>
> + *
> + */
> +/dts-v1/;
> +#include "sama7d65-pinfunc.h"
> +#include "sama7d65.dtsi"
> +#include <dt-bindings/mfd/atmel-flexcom.h>
> +#include <dt-bindings/pinctrl/at91.h>
> +
> +/ {
> + model = "Microchip SAMA7D65 Curiosity";
> + compatible = "microchip,sama7d65-curiosity", "microchip,sama7d65",
> + "microchip,sama7d6", "microchip,sama7";
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + aliases {
> + serial0 = &uart6;
> + };
> +
> + memory@60000000 {
> + device_type = "memory";
> + reg = <0x60000000 0x40000000>;
> + };
> +};
> +
> +&flx6 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
> + status = "okay";
> +};
> +
> +&uart6 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart6_default>;
> + status = "okay";
> +};
> +
> +&main_xtal {
> + clock-frequency = <24000000>;
> +};
> +
> +&pioA {
Compilation fails for this:
Error: ../arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts:50.1-6
Label or path pioA not found
FATAL ERROR: Syntax error parsing input tree
Thank you,
Claudiu
> + pinctrl_sdmmc1_default: sdmmc1-default {
> + cmd-data {
> + pinmux = <PIN_PB22__SDMMC1_CMD>,
> + <PIN_PB24__SDMMC1_DAT0>,
> + <PIN_PB25__SDMMC1_DAT1>,
> + <PIN_PB26__SDMMC1_DAT2>,
> + <PIN_PB27__SDMMC1_DAT3>;
> + slew-rate = <0>;
> + bias-disable;
> + };
> +
> + ck-cd-rstn-vddsel {
> + pinmux = <PIN_PB23__SDMMC1_CK>,
> + <PIN_PB21__SDMMC1_RSTN>,
> + <PIN_PB30__SDMMC1_1V8SEL>,
> + <PIN_PB29__SDMMC1_CD>,
> + <PIN_PB28__SDMMC1_WP>;
> + slew-rate = <0>;
> + bias-disable;
> + };
> + };
> +
> + pinctrl_uart6_default: uart6-default {
> + pinmux = <PIN_PD18__FLEXCOM6_IO0>,
> + <PIN_PD19__FLEXCOM6_IO1>;
> + bias-disable;
> + };
> +};
> +
> +&sdmmc1 {
> + bus-width = <4>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sdmmc1_default>;
> + status = "okay";
> +};
> +
> +&slow_xtal {
> + clock-frequency = <32768>;
> +};
