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Date: Tue, 15 Apr 2014 13:07:43 +0200
From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH 2/2] ARM: at91/dt: add peripherals to the at91sam9rlek board
This adds support for:
- SPI
- Dataflash
- LCD
- i2c
- ADC
- Touchscreen
- USB gadget
- PWM
Also it switches the ds1 and ds2 leds to PWM control.
Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
arch/arm/boot/dts/at91sam9rlek.dts | 90 ++++++++++++++++++++++++++++++++++++--
1 file changed, 86 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9rlek.dts b/arch/arm/boot/dts/at91sam9rlek.dts
index cddb37825fad..f148fa4b3ab9 100644
--- a/arch/arm/boot/dts/at91sam9rlek.dts
+++ b/arch/arm/boot/dts/at91sam9rlek.dts
@@ -32,6 +32,37 @@
};
ahb {
+ fb0: fb@...00000 {
+ display = <&display0>;
+ status = "okay";
+
+ display0: display {
+ bits-per-pixel = <16>;
+ atmel,lcdcon-backlight;
+ atmel,dmacon = <0x1>;
+ atmel,lcdcon2 = <0x80008002>;
+ atmel,guard-time = <1>;
+ atmel,lcd-wiring-mode = "RGB";
+
+ display-timings {
+ native-mode = <&timing0>;
+ timing0: timing0 {
+ clock-frequency = <4965000>;
+ hactive = <240>;
+ vactive = <320>;
+ hback-porch = <1>;
+ hfront-porch = <33>;
+ vback-porch = <1>;
+ vfront-porch = <0>;
+ hsync-len = <5>;
+ vsync-len = <1>;
+ hsync-active = <1>;
+ vsync-active = <1>;
+ };
+ };
+ };
+ };
+
nand0: nand@...00000 {
nand-bus-width = <8>;
nand-ecc-mode = "soft";
@@ -92,6 +123,43 @@
status = "okay";
};
+ adc0: adc@...d0000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &pinctrl_adc0_ad0
+ &pinctrl_adc0_ad1
+ &pinctrl_adc0_ad2
+ &pinctrl_adc0_ad3
+ &pinctrl_adc0_ad4
+ &pinctrl_adc0_ad5
+ &pinctrl_adc0_adtrg>;
+ atmel,adc-ts-wires = <4>;
+ status = "okay";
+ };
+
+ usb0: gadget@...d4000 {
+ atmel,vbus-gpio = <&pioA 8 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };
+
+ spi0: spi@...cc000 {
+ status = "okay";
+ cs-gpios = <&pioA 28 0>, <0>, <0>, <0>;
+ mtd_dataflash@0 {
+ compatible = "atmel,at45", "atmel,dataflash";
+ spi-max-frequency = <15000000>;
+ reg = <0>;
+ };
+ };
+
+ pwm0: pwm@...c8000 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm0_pwm1_2>,
+ <&pinctrl_pwm0_pwm2_2>;
+ };
+
dbgu: serial@...ff200 {
status = "okay";
};
@@ -117,18 +185,24 @@
};
};
- leds {
- compatible = "gpio-leds";
+ pwmleds {
+ compatible = "pwm-leds";
ds1 {
label = "ds1";
- gpios = <&pioD 15 GPIO_ACTIVE_LOW>;
+ pwms = <&pwm0 1 5000 PWM_POLARITY_INVERTED>;
+ max-brightness = <255>;
};
ds2 {
label = "ds2";
- gpios = <&pioD 16 GPIO_ACTIVE_LOW>;
+ pwms = <&pwm0 2 5000 PWM_POLARITY_INVERTED>;
+ max-brightness = <255>;
};
+ };
+
+ leds {
+ compatible = "gpio-leds";
ds3 {
label = "ds3";
@@ -154,4 +228,12 @@
gpio-key,wakeup;
};
};
+
+ i2c@0 {
+ status = "okay";
+ };
+
+ i2c@1 {
+ status = "okay";
+ };
};
--
1.8.3.2
--
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