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2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
516 lines
11 KiB
Diff
516 lines
11 KiB
Diff
From a8bd4a9fead66a720889c5693bf0d21608d9e2c0 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
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Date: Sat, 15 Aug 2015 20:47:07 +0200
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Subject: [PATCH] bcm2835: Match with BCM2708 Device Trees
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
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---
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arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 132 ++++++++++++++++++---
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arch/arm/boot/dts/bcm2835-rpi-b.dts | 115 ++++++++++++++++--
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arch/arm/boot/dts/bcm2835.dtsi | 195 +++----------------------------
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3 files changed, 237 insertions(+), 205 deletions(-)
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--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
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@@ -1,30 +1,128 @@
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/dts-v1/;
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-#include "bcm2835-rpi.dtsi"
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+#include "bcm2835.dtsi"
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/ {
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compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
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model = "Raspberry Pi Model B+";
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-
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- leds {
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- act {
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- gpios = <&gpio 47 0>;
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- };
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-
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- pwr {
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- label = "PWR";
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- gpios = <&gpio 35 0>;
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- default-state = "keep";
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- linux,default-trigger = "default-on";
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- };
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- };
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};
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&gpio {
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- pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
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+ spi0_pins: spi0_pins {
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+ brcm,pins = <7 8 9 10 11>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+
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+ i2c0_pins: i2c0 {
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+ brcm,pins = <0 1>;
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+ brcm,function = <4>;
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+ };
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- /* I2S interface */
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- i2s_alt0: i2s_alt0 {
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+ i2c1_pins: i2c1 {
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+ brcm,pins = <2 3>;
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+ brcm,function = <4>;
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+ };
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+
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+ i2s_pins: i2s {
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brcm,pins = <18 19 20 21>;
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- brcm,function = <BCM2835_FSEL_ALT0>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+};
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+
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+&mmc {
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+ status = "okay";
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+ bus-width = <4>;
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+};
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+
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+&fb {
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+ status = "okay";
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+};
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+
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+&uart0 {
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+ status = "okay";
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+};
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+
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+&spi0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&spi0_pins>;
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+
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+ spidev@0{
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+ compatible = "spidev";
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+ reg = <0>; /* CE0 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+
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+ spidev@1{
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+ compatible = "spidev";
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+ reg = <1>; /* CE1 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+};
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+
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+&i2c0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c0_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c1_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c2 {
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+ clock-frequency = <100000>;
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+};
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+
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+&i2s {
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+ #sound-dai-cells = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2s_pins>;
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+};
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+
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+&leds {
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+ act_led: act {
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+ label = "led0";
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+ linux,default-trigger = "mmc0";
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+ gpios = <&gpio 47 0>;
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+ };
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+
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+ pwr_led: pwr {
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+ label = "led1";
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+ linux,default-trigger = "input";
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+ gpios = <&gpio 35 0>;
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+ };
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+};
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+
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+/ {
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+ __overrides__ {
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+ uart0 = <&uart0>,"status";
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+ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
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+ uart1_clkrate = <&uart1>,"clock-frequency:0";
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+ i2s = <&i2s>,"status";
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+ spi = <&spi0>,"status";
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+ i2c0 = <&i2c0>,"status";
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+ i2c1 = <&i2c1>,"status";
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+ i2c2_iknowwhatimdoing = <&i2c2>,"status";
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+ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
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+ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
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+ i2c2_baudrate = <&i2c2>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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+
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+ act_led_gpio = <&act_led>,"gpios:4";
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+ act_led_activelow = <&act_led>,"gpios:8";
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+ act_led_trigger = <&act_led>,"linux,default-trigger";
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+
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+ pwr_led_gpio = <&pwr_led>,"gpios:4";
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+ pwr_led_activelow = <&pwr_led>,"gpios:8";
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+ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
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+
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+ audio = <&audio>,"status";
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+ watchdog = <&watchdog>,"status";
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+ random = <&random>,"status";
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};
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};
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--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
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+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
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@@ -1,17 +1,118 @@
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/dts-v1/;
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-#include "bcm2835-rpi.dtsi"
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+#include "bcm2835.dtsi"
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/ {
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compatible = "raspberrypi,model-b", "brcm,bcm2835";
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model = "Raspberry Pi Model B";
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+};
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- leds {
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- act {
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- gpios = <&gpio 16 1>;
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- };
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+&gpio {
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+ spi0_pins: spi0_pins {
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+ brcm,pins = <7 8 9 10 11>;
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+ brcm,function = <4>; /* alt0 */
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+ };
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+
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+ i2c0_pins: i2c0 {
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+ brcm,pins = <0 1>;
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+ brcm,function = <4>;
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+ };
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+
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+ i2c1_pins: i2c1 {
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+ brcm,pins = <2 3>;
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+ brcm,function = <4>;
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+ };
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+
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+ i2s_pins: i2s {
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+ brcm,pins = <28 29 30 31>;
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+ brcm,function = <6>; /* alt2 */
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};
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};
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-&gpio {
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- pinctrl-0 = <&gpioout &alt0 &alt3>;
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+&mmc {
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+ status = "okay";
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+ bus-width = <4>;
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+};
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+
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+&fb {
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+ status = "okay";
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+};
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+
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+&uart0 {
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+ status = "okay";
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+};
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+
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+&spi0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&spi0_pins>;
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+
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+ spidev@0{
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+ compatible = "spidev";
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+ reg = <0>; /* CE0 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+
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+ spidev@1{
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+ compatible = "spidev";
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+ reg = <1>; /* CE1 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <500000>;
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+ };
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+};
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+
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+&i2c0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c0_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c1_pins>;
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+ clock-frequency = <100000>;
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+};
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+
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+&i2c2 {
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+ clock-frequency = <100000>;
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+};
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+
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+&i2s {
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+ #sound-dai-cells = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2s_pins>;
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+};
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+
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+&leds {
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+ act_led: act {
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+ label = "led0";
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+ linux,default-trigger = "mmc0";
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+ gpios = <&gpio 16 1>;
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+ };
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+};
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+
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+/ {
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+ __overrides__ {
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+ uart0 = <&uart0>,"status";
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+ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
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+ uart1_clkrate = <&uart1>,"clock-frequency:0";
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+ i2s = <&i2s>,"status";
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+ spi = <&spi0>,"status";
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+ i2c0 = <&i2c0>,"status";
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+ i2c1 = <&i2c1>,"status";
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+ i2c2_iknowwhatimdoing = <&i2c2>,"status";
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+ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
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+ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
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+ i2c2_baudrate = <&i2c2>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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+
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+ act_led_gpio = <&act_led>,"gpios:4";
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+ act_led_activelow = <&act_led>,"gpios:8";
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+ act_led_trigger = <&act_led>,"linux,default-trigger";
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+
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+ audio = <&audio>,"status";
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+ watchdog = <&watchdog>,"status";
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+ random = <&random>,"status";
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+ };
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};
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--- a/arch/arm/boot/dts/bcm2835.dtsi
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+++ b/arch/arm/boot/dts/bcm2835.dtsi
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@@ -1,206 +1,39 @@
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-#include <dt-bindings/pinctrl/bcm2835.h>
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-#include <dt-bindings/clock/bcm2835.h>
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-#include "skeleton.dtsi"
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+#include "bcm2708_common.dtsi"
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/ {
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compatible = "brcm,bcm2835";
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model = "BCM2835";
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- interrupt-parent = <&intc>;
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chosen {
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- bootargs = "earlyprintk console=ttyAMA0";
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+ bootargs = "";
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};
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soc {
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- compatible = "simple-bus";
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- #address-cells = <1>;
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- #size-cells = <1>;
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- ranges = <0x7e000000 0x20000000 0x02000000>;
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+ ranges = <0x7e000000 0x20000000 0x01000000>;
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dma-ranges = <0x40000000 0x00000000 0x20000000>;
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timer@7e003000 {
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compatible = "brcm,bcm2835-system-timer";
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reg = <0x7e003000 0x1000>;
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interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
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- /* This could be a reference to BCM2835_CLOCK_TIMER,
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- * but we don't have the driver using the common clock
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- * support yet.
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- */
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clock-frequency = <1000000>;
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};
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- dma: dma@7e007000 {
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- compatible = "brcm,bcm2835-dma";
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- reg = <0x7e007000 0xf00>;
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- interrupts = <1 16>,
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- <1 17>,
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- <1 18>,
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- <1 19>,
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- <1 20>,
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- <1 21>,
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- <1 22>,
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- <1 23>,
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- <1 24>,
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- <1 25>,
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- <1 26>,
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- <1 27>,
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- <1 28>;
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-
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- #dma-cells = <1>;
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- brcm,dma-channel-mask = <0x7f35>;
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- };
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-
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- intc: interrupt-controller@7e00b200 {
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- compatible = "brcm,bcm2835-armctrl-ic";
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- reg = <0x7e00b200 0x200>;
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- interrupt-controller;
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- #interrupt-cells = <2>;
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- };
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-
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- watchdog@7e100000 {
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- compatible = "brcm,bcm2835-pm-wdt";
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- reg = <0x7e100000 0x28>;
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- };
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-
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- clocks: cprman@7e101000 {
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- compatible = "brcm,bcm2835-cprman";
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- #clock-cells = <1>;
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- reg = <0x7e101000 0x2000>;
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-
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- /* CPRMAN derives everything from the platform's
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- * oscillator.
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- */
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- clocks = <&clk_osc>;
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- };
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-
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- rng@7e104000 {
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- compatible = "brcm,bcm2835-rng";
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- reg = <0x7e104000 0x10>;
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- };
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-
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- mailbox: mailbox@7e00b800 {
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- compatible = "brcm,bcm2835-mbox";
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- reg = <0x7e00b880 0x40>;
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- interrupts = <0 1>;
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- #mbox-cells = <0>;
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- };
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-
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- gpio: gpio@7e200000 {
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- compatible = "brcm,bcm2835-gpio";
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- reg = <0x7e200000 0xb4>;
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- /*
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- * The GPIO IP block is designed for 3 banks of GPIOs.
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- * Each bank has a GPIO interrupt for itself.
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- * There is an overall "any bank" interrupt.
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- * In order, these are GIC interrupts 17, 18, 19, 20.
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- * Since the BCM2835 only has 2 banks, the 2nd bank
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- * interrupt output appears to be mirrored onto the
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- * 3rd bank's interrupt signal.
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- * So, a bank0 interrupt shows up on 17, 20, and
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- * a bank1 interrupt shows up on 18, 19, 20!
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- */
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- interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
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-
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- gpio-controller;
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- #gpio-cells = <2>;
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-
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- interrupt-controller;
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- #interrupt-cells = <2>;
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- };
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-
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- uart0: uart@7e201000 {
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- compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
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- reg = <0x7e201000 0x1000>;
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- interrupts = <2 25>;
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- clocks = <&clocks BCM2835_CLOCK_UART>,
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- <&clocks BCM2835_CLOCK_VPU>;
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- clock-names = "uartclk", "apb_pclk";
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- arm,primecell-periphid = <0x00241011>;
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- };
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-
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- i2s: i2s@7e203000 {
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- compatible = "brcm,bcm2835-i2s";
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- reg = <0x7e203000 0x24>,
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- <0x7e101098 0x08>;
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-
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- dmas = <&dma 2>,
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- <&dma 3>;
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- dma-names = "tx", "rx";
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- status = "disabled";
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- };
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-
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- spi: spi@7e204000 {
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- compatible = "brcm,bcm2835-spi";
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- reg = <0x7e204000 0x1000>;
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- interrupts = <2 22>;
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- clocks = <&clocks BCM2835_CLOCK_VPU>;
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- #address-cells = <1>;
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- #size-cells = <0>;
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- status = "disabled";
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- };
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-
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- i2c0: i2c@7e205000 {
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- compatible = "brcm,bcm2835-i2c";
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- reg = <0x7e205000 0x1000>;
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- interrupts = <2 21>;
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- clocks = <&clocks BCM2835_CLOCK_VPU>;
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- #address-cells = <1>;
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- #size-cells = <0>;
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- status = "disabled";
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- };
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-
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- sdhci: sdhci@7e300000 {
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- compatible = "brcm,bcm2835-sdhci";
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- reg = <0x7e300000 0x100>;
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- interrupts = <2 30>;
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- clocks = <&clocks BCM2835_CLOCK_EMMC>;
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- status = "disabled";
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- };
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-
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- i2c1: i2c@7e804000 {
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- compatible = "brcm,bcm2835-i2c";
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- reg = <0x7e804000 0x1000>;
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- interrupts = <2 21>;
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- clocks = <&clocks BCM2835_CLOCK_VPU>;
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- #address-cells = <1>;
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- #size-cells = <0>;
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- status = "disabled";
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- };
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-
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- i2c2: i2c@7e805000 {
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- compatible = "brcm,bcm2835-i2c";
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- reg = <0x7e805000 0x1000>;
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- interrupts = <2 21>;
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- clocks = <&clocks BCM2835_CLOCK_VPU>;
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- #address-cells = <1>;
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- #size-cells = <0>;
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- status = "disabled";
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- };
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-
|
|
- usb@7e980000 {
|
|
- compatible = "brcm,bcm2835-usb";
|
|
- reg = <0x7e980000 0x10000>;
|
|
- interrupts = <1 9>;
|
|
- };
|
|
-
|
|
arm-pmu {
|
|
compatible = "arm,arm1176-pmu";
|
|
};
|
|
- };
|
|
|
|
- clocks {
|
|
- compatible = "simple-bus";
|
|
- #address-cells = <1>;
|
|
- #size-cells = <0>;
|
|
-
|
|
- /* The oscillator is the root of the clock tree. */
|
|
- clk_osc: clock@3 {
|
|
- compatible = "fixed-clock";
|
|
- reg = <3>;
|
|
- #clock-cells = <0>;
|
|
- clock-output-names = "osc";
|
|
- clock-frequency = <19200000>;
|
|
+ aux_enable: aux_enable@0x7e215004 {
|
|
+ compatible = "bcrm,bcm2835-aux-enable";
|
|
+ reg = <0x7e215004 0x04>;
|
|
};
|
|
-
|
|
};
|
|
};
|
|
+
|
|
+&intc {
|
|
+ compatible = "brcm,bcm2835-armctrl-ic";
|
|
+};
|
|
+
|
|
+&watchdog {
|
|
+ status = "okay";
|
|
+};
|