ARM: dts: at91: sama7g54_curiosity: Add initial device tree of the board

Add initial device tree of the SAMA7G54 Curiosity board.

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 784192125d35299c53cf87fc8625369d7278e0e4..c99e359764ee5e9754252a9095ed345f1ee267f3 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1260,6 +1260,9 @@ 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 (file)
index 0000000..04d7d9e
--- /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@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 (file)
index 0000000..93c230b
--- /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@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@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@200 {
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_flx3_default>;
+               status = "okay";
+       };
+};
+
+&flx10 {
+       atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+       status = "okay";
+
+       i2c10: i2c@600 {
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_flx10_default>;
+               i2c-analog-filter;
+               i2c-digital-filter;
+               i2c-digital-filter-width-ns = <35>;
+               status = "okay";
+
+               adc@1f {
+                       compatible = "microchip,pac1934";
+                       reg = <0x1f>;
+               };
+
+               eeprom@51 {
+                       compatible = "atmel,24c02";
+                       reg = <0x51>;
+                       pagesize = <16>;
+                       size = <256>;
+               };
+
+               pmic@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@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";
+};