[PATCH v2 2/4] ARM: dts: at91: sama7g54_curiosity: Add initial device tree of the board
Mihai Sain
mihai.sain at microchip.com
Tue Feb 27 14:44:01 CET 2024
Add initial device tree of the SAMA7G54 Curiosity board.
Signed-off-by: Mihai Sain <mihai.sain at microchip.com>
---
arch/arm/dts/Makefile | 3 +
.../dts/at91-sama7g54_curiosity-u-boot.dtsi | 59 +++++
arch/arm/dts/at91-sama7g54_curiosity.dts | 242 ++++++++++++++++++
3 files changed, 304 insertions(+)
create mode 100644 arch/arm/dts/at91-sama7g54_curiosity-u-boot.dtsi
create mode 100644 arch/arm/dts/at91-sama7g54_curiosity.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d9725030d5..45069047ad 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1266,6 +1266,9 @@ dtb-$(CONFIG_TARGET_OMAP4_SDP4430) += \
dtb-$(CONFIG_TARGET_SAMA7G5EK) += \
at91-sama7g5ek.dtb
+dtb-$(CONFIG_TARGET_SAMA7G54_CURIOSITY) += \
+ at91-sama7g54_curiosity.dtb
+
dtb-$(CONFIG_TARGET_SAMA5D2_PTC_EK) += \
at91-sama5d2_ptc_ek.dtb
diff --git a/arch/arm/dts/at91-sama7g54_curiosity-u-boot.dtsi b/arch/arm/dts/at91-sama7g54_curiosity-u-boot.dtsi
new file mode 100644
index 0000000000..04d7d9e522
--- /dev/null
+++ b/arch/arm/dts/at91-sama7g54_curiosity-u-boot.dtsi
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * at91-sama7g54_curiosity-u-boot.dtsi - Device Tree file for SAMA7G5 SoC u-boot properties.
+ *
+ * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Mihai Sain <mihai.sain at microchip.com>
+ *
+ */
+
+/ {
+ chosen {
+ bootph-all;
+ };
+};
+
+&main_rc {
+ bootph-all;
+};
+
+&main_xtal {
+ bootph-all;
+};
+
+&pioA {
+ bootph-all;
+};
+
+&pinctrl_flx3_default {
+ bootph-all;
+};
+
+&pinctrl_sdmmc1_default {
+ bootph-all;
+};
+
+&pit64b0 {
+ bootph-all;
+};
+
+&pmc {
+ bootph-all;
+};
+
+&sdmmc1 {
+ bootph-all;
+};
+
+&slow_rc_osc {
+ bootph-all;
+};
+
+&slow_xtal {
+ bootph-all;
+};
+
+&uart3 {
+ bootph-all;
+};
diff --git a/arch/arm/dts/at91-sama7g54_curiosity.dts b/arch/arm/dts/at91-sama7g54_curiosity.dts
new file mode 100644
index 0000000000..93c230be0a
--- /dev/null
+++ b/arch/arm/dts/at91-sama7g54_curiosity.dts
@@ -0,0 +1,242 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * at91-sama7g54_curiosity.dts - Device Tree file for SAMA7G54 CURIOSITY board
+ *
+ * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Mihai Sain <mihai.sain at microchip.com>
+ *
+ */
+/dts-v1/;
+#include "sama7g5-pinfunc.h"
+#include "sama7g5.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/mfd/atmel-flexcom.h>
+#include <dt-bindings/pinctrl/at91.h>
+
+/ {
+ model = "Microchip SAMA7G54 Curiosity";
+ compatible = "microchip,sama7g54-curiosity", "microchip,sama7g5", "microchip,sama7";
+
+ aliases {
+ serial0 = &uart3;
+ i2c0 = &i2c10;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200 root=/dev/mmcblk1p2 rw rootwait";
+ stdout-path = "serial0:115200n8";
+ };
+
+ clocks {
+ slow_xtal {
+ clock-frequency = <32768>;
+ };
+
+ main_xtal {
+ clock-frequency = <24000000>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_led_gpio_default>;
+
+ led-red {
+ label = "red";
+ gpios = <&pioA PIN_PD13 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ led-green {
+ label = "green";
+ gpios = <&pioA PIN_PD14 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ led-blue {
+ label = "blue";
+ gpios = <&pioA PIN_PB15 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x60000000 0x10000000>; // 256 MiB DDR3L-1066 16-bit
+ };
+};
+
+&ebi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_nand_default>;
+ status = "okay";
+
+ nand_controller: nand-controller {
+ status = "okay";
+
+ nand at 3 {
+ reg = <0x3 0x0 0x800000>;
+ atmel,rb = <0>;
+ nand-bus-width = <8>;
+ nand-ecc-mode = "hw";
+ nand-ecc-strength = <8>;
+ nand-ecc-step-size = <512>;
+ nand-on-flash-bbt;
+ };
+ };
+};
+
+&flx3 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+ status = "okay";
+
+ uart3: serial at 200 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flx3_default>;
+ status = "okay";
+ };
+};
+
+&flx10 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+ status = "okay";
+
+ i2c10: i2c at 600 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flx10_default>;
+ i2c-analog-filter;
+ i2c-digital-filter;
+ i2c-digital-filter-width-ns = <35>;
+ status = "okay";
+
+ adc at 1f {
+ compatible = "microchip,pac1934";
+ reg = <0x1f>;
+ };
+
+ eeprom at 51 {
+ compatible = "atmel,24c02";
+ reg = <0x51>;
+ pagesize = <16>;
+ size = <256>;
+ };
+
+ pmic at 5b {
+ compatible = "microchip,mcp16502";
+ reg = <0x5b>;
+ };
+ };
+};
+
+&pioA {
+ pinctrl_flx3_default: flx3-default {
+ pinmux = <PIN_PD16__FLEXCOM3_IO0>,
+ <PIN_PD17__FLEXCOM3_IO1>;
+ bias-pull-up;
+ };
+
+ pinctrl_flx10_default: flx10-default {
+ pinmux = <PIN_PC30__FLEXCOM10_IO0>,
+ <PIN_PC31__FLEXCOM10_IO1>;
+ bias-pull-up;
+ };
+
+ pinctrl_led_gpio_default: led-gpio-default {
+ pinmux = <PIN_PD13__GPIO>,
+ <PIN_PD14__GPIO>,
+ <PIN_PB15__GPIO>;
+ bias-pull-up;
+ };
+
+ pinctrl_nand_default: nand-default {
+ pinmux = <PIN_PD9__D0>,
+ <PIN_PD10__D1>,
+ <PIN_PD11__D2>,
+ <PIN_PC21__D3>,
+ <PIN_PC22__D4>,
+ <PIN_PC23__D5>,
+ <PIN_PC24__D6>,
+ <PIN_PD2__D7>,
+ <PIN_PD3__NANDRDY>,
+ <PIN_PD4__NCS3_NANDCS>,
+ <PIN_PD5__NWE_NWR0_NANDWE>,
+ <PIN_PD6__NRD_NANDOE>,
+ <PIN_PD7__A21_NANDALE>,
+ <PIN_PD8__A22_NANDCLE>;
+ bias-disable;
+ slew-rate = <0>;
+ };
+
+ pinctrl_qspi1_default: qspi1-default {
+ pinmux = <PIN_PB22__QSPI1_IO3>,
+ <PIN_PB23__QSPI1_IO2>,
+ <PIN_PB24__QSPI1_IO1>,
+ <PIN_PB25__QSPI1_IO0>,
+ <PIN_PB26__QSPI1_CS>,
+ <PIN_PB27__QSPI1_SCK>;
+ bias-pull-up;
+ slew-rate = <0>;
+ };
+
+ pinctrl_sdmmc0_default: sdmmc0-default {
+ pinmux = <PIN_PA0__SDMMC0_CK>,
+ <PIN_PA1__SDMMC0_CMD>,
+ <PIN_PA2__SDMMC0_RSTN>,
+ <PIN_PA3__SDMMC0_DAT0>,
+ <PIN_PA4__SDMMC0_DAT1>,
+ <PIN_PA5__SDMMC0_DAT2>,
+ <PIN_PA6__SDMMC0_DAT3>;
+ bias-pull-up;
+ slew-rate = <0>;
+ };
+
+ pinctrl_sdmmc1_default: sdmmc1-default {
+ pinmux = <PIN_PB29__SDMMC1_CMD>,
+ <PIN_PB30__SDMMC1_CK>,
+ <PIN_PB31__SDMMC1_DAT0>,
+ <PIN_PC0__SDMMC1_DAT1>,
+ <PIN_PC1__SDMMC1_DAT2>,
+ <PIN_PC2__SDMMC1_DAT3>,
+ <PIN_PC4__SDMMC1_CD>;
+ bias-pull-up;
+ slew-rate = <0>;
+ };
+};
+
+&qspi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_qspi1_default>;
+ status = "okay";
+
+ flash at 0 {
+ compatible = "jedec,spi-nor";
+ reg = <0x0>;
+ spi-max-frequency = <100000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ m25p,fast-read;
+ };
+};
+
+// M.2 slot for wireless card
+&sdmmc0 {
+ bus-width = <4>;
+ cd-gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
+ disable-wp;
+ max-frequency = <50000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc0_default>;
+ status = "okay";
+};
+
+// micro SD socket
+&sdmmc1 {
+ bus-width = <4>;
+ disable-wp;
+ max-frequency = <50000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc1_default>;
+ status = "okay";
+};
--
2.44.0
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