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Message-ID: <20230728103114.267845-1-varshini.rajendran@microchip.com>
Date: Fri, 28 Jul 2023 16:01:14 +0530
From: Varshini Rajendran <varshini.rajendran@...rochip.com>
To: <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<conor+dt@...nel.org>, <nicolas.ferre@...rochip.com>,
<alexandre.belloni@...tlin.com>, <claudiu.beznea@...rochip.com>,
<andre.przywara@....com>, <f.fainelli@...il.com>,
<romain.perier@...il.com>, <varshini.rajendran@...rochip.com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v3 50/50] ARM: dts: at91: sam9x75_curiosity: add sam9x75 curiosity board
Add device tree file for sam9x75 curiosity board.
Signed-off-by: Varshini Rajendran <varshini.rajendran@...rochip.com>
---
arch/arm/boot/dts/microchip/Makefile | 5 +
.../dts/microchip/at91-sam9x75_curiosity.dts | 311 ++++++++++++++++++
2 files changed, 316 insertions(+)
create mode 100644 arch/arm/boot/dts/microchip/at91-sam9x75_curiosity.dts
diff --git a/arch/arm/boot/dts/microchip/Makefile b/arch/arm/boot/dts/microchip/Makefile
index 0f5193d05a31..f3d604c30325 100644
--- a/arch/arm/boot/dts/microchip/Makefile
+++ b/arch/arm/boot/dts/microchip/Makefile
@@ -10,6 +10,7 @@ DTC_FLAGS_at91-sama5d3_eds := -@
DTC_FLAGS_at91-sama5d3_xplained := -@
DTC_FLAGS_at91-sama5d4_xplained := -@
DTC_FLAGS_at91-sama7g5ek := -@
+DTC_FLAGS_at91-sam9x75_curiosity := -@
dtb-$(CONFIG_SOC_AT91RM9200) += \
at91rm9200ek.dtb \
mpa1600.dtb
@@ -61,6 +62,10 @@ dtb-$(CONFIG_SOC_SAM9X60) += \
at91-sam9x60_curiosity.dtb \
at91-sam9x60ek.dtb
# Enables support for device-tree overlays
+DTC_FLAGS_at91-sam9x75_curiosity := -@
+dtb-$(CONFIG_SOC_SAM9X7) += \
+ at91-sam9x75_curiosity.dtb
+# Enables support for device-tree overlays
DTC_FLAGS_at91-sama5d27_som1_ek := -@
DTC_FLAGS_at91-sama5d27_wlsom1_ek := -@
DTC_FLAGS_at91-sama5d2_icp := -@
diff --git a/arch/arm/boot/dts/microchip/at91-sam9x75_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sam9x75_curiosity.dts
new file mode 100644
index 000000000000..a9ecb02a9f3c
--- /dev/null
+++ b/arch/arm/boot/dts/microchip/at91-sam9x75_curiosity.dts
@@ -0,0 +1,311 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * at91-sam9x75_curiosity.dts - Device Tree file for Microchip SAM9X75 Curiosity board
+ *
+ * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Varshini Rajendran <varshini.rajendran@...rochip.com>
+ */
+/dts-v1/;
+#include "sam9x7.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Microchip SAM9X75 Curiosity";
+ compatible = "microchip,sam9x75-curiosity", "microchip,sam9x7", "atmel,at91sam9";
+
+ aliases {
+ i2c0 = &i2c6;
+ i2c1 = &i2c7;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ clocks {
+ clock-slowxtal {
+ clock-frequency = <32768>;
+ };
+
+ clock-mainxtal {
+ clock-frequency = <24000000>;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_key_gpio_default>;
+
+ button-user {
+ label = "USER";
+ gpios = <&pioC 9 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_PROG1>;
+ wakeup-source;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_led_gpio_default>;
+
+ led-0 {
+ label = "red";
+ gpios = <&pioC 19 GPIO_ACTIVE_HIGH>;
+ };
+
+ led-1 {
+ label = "green";
+ gpios = <&pioC 21 GPIO_ACTIVE_HIGH>;
+ };
+
+ led-2 {
+ label = "blue";
+ gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ memory@...00000 {
+ device_type = "memory";
+ reg = <0x20000000 0x10000000>;
+ };
+};
+
+&dbgu {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_dbgu>;
+ status = "okay";
+};
+
+&dma0 {
+ status = "okay";
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&flx6 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+ status = "okay";
+
+ i2c6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flx6_default>;
+ i2c-analog-filter;
+ i2c-digital-filter;
+ i2c-digital-filter-width-ns = <35>;
+ status = "okay";
+
+ pmic@5b {
+ compatible = "microchip,mcp16502";
+ reg = <0x5b>;
+
+ regulators {
+ vdd_3v3: VDD-IO {
+ regulator-name = "VDD_IO";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3600000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-mode = <4>;
+ };
+ };
+
+ vddioddr: VDD-DDR {
+ regulator-name = "VDD_DDR";
+ regulator-min-microvolt = <1283000>;
+ regulator-max-microvolt = <1450000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-mode = <4>;
+ };
+ };
+
+ vddcore: VDD-CORE {
+ regulator-name = "VDD_CORE";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1210000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-mode = <4>;
+ };
+ };
+
+ vddcpu: VDD-OTHER {
+ regulator-name = "VDD_OTHER";
+ regulator-min-microvolt = <1700000>;
+ regulator-max-microvolt = <3600000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-ramp-delay = <3125>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-mode = <4>;
+ };
+ };
+
+ vldo1: LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3700000>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vldo2: LDO2 {
+ regulator-name = "LDO2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <3700000>;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ };
+ };
+ };
+ };
+ };
+};
+
+&ohci0 {
+ num-ports = <3>;
+ atmel,vbus-gpio = <0
+ &pioC 27 GPIO_ACTIVE_HIGH
+ &pioB 18 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usb_default>;
+ status = "okay";
+};
+
+&pinctrl {
+
+ dbgu {
+ pinctrl_dbgu: dbgu-0 {
+ atmel,pins = <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+ AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+ };
+ };
+
+ flexcom {
+ pinctrl_flx6_default: flx6-twi {
+ atmel,pins =
+ <AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+ AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
+ };
+ };
+
+ gpio-keys {
+ pinctrl_key_gpio_default: key-gpio-default {
+ atmel,pins = <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ };
+
+ leds {
+ pinctrl_led_gpio_default: led-gpio-default {
+ atmel,pins = <AT91_PIOC 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+ AT91_PIOC 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+ AT91_PIOC 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ };
+
+ ohci0 {
+ pinctrl_usb_default: usb-default {
+ atmel,pins = <AT91_PIOC 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+ AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ };
+
+ sdmmc0 {
+ pinctrl_sdmmc0_default: sdmmc0 {
+ atmel,pins =
+ <AT91_PIOA 2 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA2 CK periph A with pullup */
+ AT91_PIOA 1 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA1 CMD periph A with pullup */
+ AT91_PIOA 0 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA0 DAT0 periph A */
+ AT91_PIOA 3 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA3 DAT1 periph A with pullup */
+ AT91_PIOA 4 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA4 DAT2 periph A with pullup */
+ AT91_PIOA 5 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS)>; /* PA5 DAT3 periph A with pullup */
+ };
+ };
+
+ usb0 {
+ pinctrl_usba_vbus: usba-vbus {
+ atmel,pins = <AT91_PIOC 8 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
+ };
+}; /* pinctrl */
+
+&rtt {
+ atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
+};
+
+&sdmmc0 {
+ bus-width = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc0_default>;
+ cd-gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
+ disable-wp;
+ status = "okay";
+};
+
+&power_management {
+ debounce-delay-us = <976>;
+ status = "okay";
+
+ input@0 {
+ reg = <0>;
+ };
+};
+
+&trng {
+ status = "okay";
+};
+
+&usb0 {
+ atmel,vbus-gpio = <&pioC 8 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usba_vbus>;
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};
--
2.25.1
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