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authorRomain Sioen <romain.sioen@microchip.com>2025-01-07 19:07:27 +0300
committerClaudiu Beznea <claudiu.beznea@tuxon.dev>2025-01-07 20:33:17 +0300
commitdeaa14ab6b0610d052597c3f6114c3d9f0dc4c6c (patch)
treebd820c43da5e933e9906319a9deca42c983d790b
parent261dcfad1b59efd0e77b014ff963b6fe1ada260b (diff)
downloadlinux-deaa14ab6b0610d052597c3f6114c3d9f0dc4c6c.tar.xz
ARM: dts: microchip: add support for sama7d65_curiosity board
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@microchip.com> Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com> Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com> Link: https://lore.kernel.org/r/20250107160850.120537-6-Ryan.Wanner@microchip.com [claudiu.beznea: moved chosen node after alias for aphanumerically sortage, added a space in front of <PIN_PD19__FLEXCOM6_IO1> for alignment] Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
-rw-r--r--arch/arm/boot/dts/microchip/Makefile3
-rw-r--r--arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts89
2 files changed, 92 insertions, 0 deletions
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..0f86360fb733
--- /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@microchip.com>
+ *
+ */
+/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";
+
+ aliases {
+ serial0 = &uart6;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ 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 {
+ 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>;
+};