linux-kernel - [PATCH v3 11/13] ARM: dts: microchip: add support for sama7d65

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Message-ID: <e47d8c8cdaec834ce080ef8c34b9976228223c8f.1733505542.git.Ryan.Wanner@microchip.com>
Date: Fri, 6 Dec 2024 12:59:56 -0700
From: <Ryan.Wanner@...rochip.com>
To: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
	<claudiu.beznea@...on.dev>, <mturquette@...libre.com>, <sboyd@...nel.org>,
	<arnd@...db.de>
CC: <dharma.b@...rochip.com>, <mihai.sain@...rochip.com>,
	<romain.sioen@...rochip.com>, <varshini.rajendran@...rochip.com>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
	<linux-gpio@...r.kernel.org>, <linux-spi@...r.kernel.org>,
	<linux-serial@...r.kernel.org>
Subject: [PATCH v3 11/13] ARM: dts: microchip: add support for sama7d65_curiosity board

From: Romain Sioen <romain.sioen@...rochip.com>

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@...rochip.com>
Signed-off-by: Varshini Rajendran <varshini.rajendran@...rochip.com>
Signed-off-by: Ryan Wanner <Ryan.Wanner@...rochip.com>
---
 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@...rochip.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";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	aliases {
+		serial0 = &uart6;
+	};
+
+	memory@...00000 {
+		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>;
+};
-- 
2.43.0