mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 09:12:39 +00:00
011f2c26f1
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
516 lines
11 KiB
Diff
516 lines
11 KiB
Diff
From 9e3c6310b7e656ef22e39fa0dfa5055171728431 Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
|
|
Date: Sat, 15 Aug 2015 20:47:07 +0200
|
|
Subject: [PATCH] bcm2835: Match with BCM2708 Device Trees
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
|
|
---
|
|
arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 132 ++++++++++++++++++---
|
|
arch/arm/boot/dts/bcm2835-rpi-b.dts | 115 ++++++++++++++++--
|
|
arch/arm/boot/dts/bcm2835.dtsi | 195 +++----------------------------
|
|
3 files changed, 237 insertions(+), 205 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
|
|
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
|
|
@@ -1,30 +1,128 @@
|
|
/dts-v1/;
|
|
-#include "bcm2835-rpi.dtsi"
|
|
+#include "bcm2835.dtsi"
|
|
|
|
/ {
|
|
compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
|
|
model = "Raspberry Pi Model B+";
|
|
-
|
|
- leds {
|
|
- act {
|
|
- gpios = <&gpio 47 0>;
|
|
- };
|
|
-
|
|
- pwr {
|
|
- label = "PWR";
|
|
- gpios = <&gpio 35 0>;
|
|
- default-state = "keep";
|
|
- linux,default-trigger = "default-on";
|
|
- };
|
|
- };
|
|
};
|
|
|
|
&gpio {
|
|
- pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
|
|
+ spi0_pins: spi0_pins {
|
|
+ brcm,pins = <7 8 9 10 11>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+
|
|
+ i2c0_pins: i2c0 {
|
|
+ brcm,pins = <0 1>;
|
|
+ brcm,function = <4>;
|
|
+ };
|
|
|
|
- /* I2S interface */
|
|
- i2s_alt0: i2s_alt0 {
|
|
+ i2c1_pins: i2c1 {
|
|
+ brcm,pins = <2 3>;
|
|
+ brcm,function = <4>;
|
|
+ };
|
|
+
|
|
+ i2s_pins: i2s {
|
|
brcm,pins = <18 19 20 21>;
|
|
- brcm,function = <BCM2835_FSEL_ALT0>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+};
|
|
+
|
|
+&mmc {
|
|
+ status = "okay";
|
|
+ bus-width = <4>;
|
|
+};
|
|
+
|
|
+&fb {
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&uart0 {
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&spi0 {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&spi0_pins>;
|
|
+
|
|
+ spidev@0{
|
|
+ compatible = "spidev";
|
|
+ reg = <0>; /* CE0 */
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ spi-max-frequency = <500000>;
|
|
+ };
|
|
+
|
|
+ spidev@1{
|
|
+ compatible = "spidev";
|
|
+ reg = <1>; /* CE1 */
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ spi-max-frequency = <500000>;
|
|
+ };
|
|
+};
|
|
+
|
|
+&i2c0 {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&i2c0_pins>;
|
|
+ clock-frequency = <100000>;
|
|
+};
|
|
+
|
|
+&i2c1 {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&i2c1_pins>;
|
|
+ clock-frequency = <100000>;
|
|
+};
|
|
+
|
|
+&i2c2 {
|
|
+ clock-frequency = <100000>;
|
|
+};
|
|
+
|
|
+&i2s {
|
|
+ #sound-dai-cells = <0>;
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&i2s_pins>;
|
|
+};
|
|
+
|
|
+&leds {
|
|
+ act_led: act {
|
|
+ label = "led0";
|
|
+ linux,default-trigger = "mmc0";
|
|
+ gpios = <&gpio 47 0>;
|
|
+ };
|
|
+
|
|
+ pwr_led: pwr {
|
|
+ label = "led1";
|
|
+ linux,default-trigger = "input";
|
|
+ gpios = <&gpio 35 0>;
|
|
+ };
|
|
+};
|
|
+
|
|
+/ {
|
|
+ __overrides__ {
|
|
+ uart0 = <&uart0>,"status";
|
|
+ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
|
|
+ uart1_clkrate = <&uart1>,"clock-frequency:0";
|
|
+ i2s = <&i2s>,"status";
|
|
+ spi = <&spi0>,"status";
|
|
+ i2c0 = <&i2c0>,"status";
|
|
+ i2c1 = <&i2c1>,"status";
|
|
+ i2c2_iknowwhatimdoing = <&i2c2>,"status";
|
|
+ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
|
|
+ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
|
|
+ i2c2_baudrate = <&i2c2>,"clock-frequency:0";
|
|
+ core_freq = <&clk_core>,"clock-frequency:0";
|
|
+
|
|
+ act_led_gpio = <&act_led>,"gpios:4";
|
|
+ act_led_activelow = <&act_led>,"gpios:8";
|
|
+ act_led_trigger = <&act_led>,"linux,default-trigger";
|
|
+
|
|
+ pwr_led_gpio = <&pwr_led>,"gpios:4";
|
|
+ pwr_led_activelow = <&pwr_led>,"gpios:8";
|
|
+ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
|
|
+
|
|
+ audio = <&audio>,"status";
|
|
+ watchdog = <&watchdog>,"status";
|
|
+ random = <&random>,"status";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
|
|
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
|
|
@@ -1,17 +1,118 @@
|
|
/dts-v1/;
|
|
-#include "bcm2835-rpi.dtsi"
|
|
+#include "bcm2835.dtsi"
|
|
|
|
/ {
|
|
compatible = "raspberrypi,model-b", "brcm,bcm2835";
|
|
model = "Raspberry Pi Model B";
|
|
+};
|
|
|
|
- leds {
|
|
- act {
|
|
- gpios = <&gpio 16 1>;
|
|
- };
|
|
+&gpio {
|
|
+ spi0_pins: spi0_pins {
|
|
+ brcm,pins = <7 8 9 10 11>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+
|
|
+ i2c0_pins: i2c0 {
|
|
+ brcm,pins = <0 1>;
|
|
+ brcm,function = <4>;
|
|
+ };
|
|
+
|
|
+ i2c1_pins: i2c1 {
|
|
+ brcm,pins = <2 3>;
|
|
+ brcm,function = <4>;
|
|
+ };
|
|
+
|
|
+ i2s_pins: i2s {
|
|
+ brcm,pins = <28 29 30 31>;
|
|
+ brcm,function = <6>; /* alt2 */
|
|
};
|
|
};
|
|
|
|
-&gpio {
|
|
- pinctrl-0 = <&gpioout &alt0 &alt3>;
|
|
+&mmc {
|
|
+ status = "okay";
|
|
+ bus-width = <4>;
|
|
+};
|
|
+
|
|
+&fb {
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&uart0 {
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&spi0 {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&spi0_pins>;
|
|
+
|
|
+ spidev@0{
|
|
+ compatible = "spidev";
|
|
+ reg = <0>; /* CE0 */
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ spi-max-frequency = <500000>;
|
|
+ };
|
|
+
|
|
+ spidev@1{
|
|
+ compatible = "spidev";
|
|
+ reg = <1>; /* CE1 */
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ spi-max-frequency = <500000>;
|
|
+ };
|
|
+};
|
|
+
|
|
+&i2c0 {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&i2c0_pins>;
|
|
+ clock-frequency = <100000>;
|
|
+};
|
|
+
|
|
+&i2c1 {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&i2c1_pins>;
|
|
+ clock-frequency = <100000>;
|
|
+};
|
|
+
|
|
+&i2c2 {
|
|
+ clock-frequency = <100000>;
|
|
+};
|
|
+
|
|
+&i2s {
|
|
+ #sound-dai-cells = <0>;
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&i2s_pins>;
|
|
+};
|
|
+
|
|
+&leds {
|
|
+ act_led: act {
|
|
+ label = "led0";
|
|
+ linux,default-trigger = "mmc0";
|
|
+ gpios = <&gpio 16 1>;
|
|
+ };
|
|
+};
|
|
+
|
|
+/ {
|
|
+ __overrides__ {
|
|
+ uart0 = <&uart0>,"status";
|
|
+ uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
|
|
+ uart1_clkrate = <&uart1>,"clock-frequency:0";
|
|
+ i2s = <&i2s>,"status";
|
|
+ spi = <&spi0>,"status";
|
|
+ i2c0 = <&i2c0>,"status";
|
|
+ i2c1 = <&i2c1>,"status";
|
|
+ i2c2_iknowwhatimdoing = <&i2c2>,"status";
|
|
+ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
|
|
+ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
|
|
+ i2c2_baudrate = <&i2c2>,"clock-frequency:0";
|
|
+ core_freq = <&clk_core>,"clock-frequency:0";
|
|
+
|
|
+ act_led_gpio = <&act_led>,"gpios:4";
|
|
+ act_led_activelow = <&act_led>,"gpios:8";
|
|
+ act_led_trigger = <&act_led>,"linux,default-trigger";
|
|
+
|
|
+ audio = <&audio>,"status";
|
|
+ watchdog = <&watchdog>,"status";
|
|
+ random = <&random>,"status";
|
|
+ };
|
|
};
|
|
--- a/arch/arm/boot/dts/bcm2835.dtsi
|
|
+++ b/arch/arm/boot/dts/bcm2835.dtsi
|
|
@@ -1,206 +1,39 @@
|
|
-#include <dt-bindings/pinctrl/bcm2835.h>
|
|
-#include <dt-bindings/clock/bcm2835.h>
|
|
-#include "skeleton.dtsi"
|
|
+#include "bcm2708_common.dtsi"
|
|
|
|
/ {
|
|
compatible = "brcm,bcm2835";
|
|
model = "BCM2835";
|
|
- interrupt-parent = <&intc>;
|
|
|
|
chosen {
|
|
- bootargs = "earlyprintk console=ttyAMA0";
|
|
+ bootargs = "";
|
|
};
|
|
|
|
soc {
|
|
- compatible = "simple-bus";
|
|
- #address-cells = <1>;
|
|
- #size-cells = <1>;
|
|
- ranges = <0x7e000000 0x20000000 0x02000000>;
|
|
+ ranges = <0x7e000000 0x20000000 0x01000000>;
|
|
dma-ranges = <0x40000000 0x00000000 0x20000000>;
|
|
|
|
timer@7e003000 {
|
|
compatible = "brcm,bcm2835-system-timer";
|
|
reg = <0x7e003000 0x1000>;
|
|
interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
|
|
- /* This could be a reference to BCM2835_CLOCK_TIMER,
|
|
- * but we don't have the driver using the common clock
|
|
- * support yet.
|
|
- */
|
|
clock-frequency = <1000000>;
|
|
};
|
|
|
|
- dma: dma@7e007000 {
|
|
- compatible = "brcm,bcm2835-dma";
|
|
- reg = <0x7e007000 0xf00>;
|
|
- interrupts = <1 16>,
|
|
- <1 17>,
|
|
- <1 18>,
|
|
- <1 19>,
|
|
- <1 20>,
|
|
- <1 21>,
|
|
- <1 22>,
|
|
- <1 23>,
|
|
- <1 24>,
|
|
- <1 25>,
|
|
- <1 26>,
|
|
- <1 27>,
|
|
- <1 28>;
|
|
-
|
|
- #dma-cells = <1>;
|
|
- brcm,dma-channel-mask = <0x7f35>;
|
|
- };
|
|
-
|
|
- intc: interrupt-controller@7e00b200 {
|
|
- compatible = "brcm,bcm2835-armctrl-ic";
|
|
- reg = <0x7e00b200 0x200>;
|
|
- interrupt-controller;
|
|
- #interrupt-cells = <2>;
|
|
- };
|
|
-
|
|
- watchdog@7e100000 {
|
|
- compatible = "brcm,bcm2835-pm-wdt";
|
|
- reg = <0x7e100000 0x28>;
|
|
- };
|
|
-
|
|
- clocks: cprman@7e101000 {
|
|
- compatible = "brcm,bcm2835-cprman";
|
|
- #clock-cells = <1>;
|
|
- reg = <0x7e101000 0x2000>;
|
|
-
|
|
- /* CPRMAN derives everything from the platform's
|
|
- * oscillator.
|
|
- */
|
|
- clocks = <&clk_osc>;
|
|
- };
|
|
-
|
|
- rng@7e104000 {
|
|
- compatible = "brcm,bcm2835-rng";
|
|
- reg = <0x7e104000 0x10>;
|
|
- };
|
|
-
|
|
- mailbox: mailbox@7e00b800 {
|
|
- compatible = "brcm,bcm2835-mbox";
|
|
- reg = <0x7e00b880 0x40>;
|
|
- interrupts = <0 1>;
|
|
- #mbox-cells = <0>;
|
|
- };
|
|
-
|
|
- gpio: gpio@7e200000 {
|
|
- compatible = "brcm,bcm2835-gpio";
|
|
- reg = <0x7e200000 0xb4>;
|
|
- /*
|
|
- * The GPIO IP block is designed for 3 banks of GPIOs.
|
|
- * Each bank has a GPIO interrupt for itself.
|
|
- * There is an overall "any bank" interrupt.
|
|
- * In order, these are GIC interrupts 17, 18, 19, 20.
|
|
- * Since the BCM2835 only has 2 banks, the 2nd bank
|
|
- * interrupt output appears to be mirrored onto the
|
|
- * 3rd bank's interrupt signal.
|
|
- * So, a bank0 interrupt shows up on 17, 20, and
|
|
- * a bank1 interrupt shows up on 18, 19, 20!
|
|
- */
|
|
- interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
|
|
-
|
|
- gpio-controller;
|
|
- #gpio-cells = <2>;
|
|
-
|
|
- interrupt-controller;
|
|
- #interrupt-cells = <2>;
|
|
- };
|
|
-
|
|
- uart0: uart@7e201000 {
|
|
- compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
|
|
- reg = <0x7e201000 0x1000>;
|
|
- interrupts = <2 25>;
|
|
- clocks = <&clocks BCM2835_CLOCK_UART>,
|
|
- <&clocks BCM2835_CLOCK_VPU>;
|
|
- clock-names = "uartclk", "apb_pclk";
|
|
- arm,primecell-periphid = <0x00241011>;
|
|
- };
|
|
-
|
|
- i2s: i2s@7e203000 {
|
|
- compatible = "brcm,bcm2835-i2s";
|
|
- reg = <0x7e203000 0x24>,
|
|
- <0x7e101098 0x08>;
|
|
-
|
|
- dmas = <&dma 2>,
|
|
- <&dma 3>;
|
|
- dma-names = "tx", "rx";
|
|
- status = "disabled";
|
|
- };
|
|
-
|
|
- spi: spi@7e204000 {
|
|
- compatible = "brcm,bcm2835-spi";
|
|
- reg = <0x7e204000 0x1000>;
|
|
- interrupts = <2 22>;
|
|
- clocks = <&clocks BCM2835_CLOCK_VPU>;
|
|
- #address-cells = <1>;
|
|
- #size-cells = <0>;
|
|
- status = "disabled";
|
|
- };
|
|
-
|
|
- i2c0: i2c@7e205000 {
|
|
- compatible = "brcm,bcm2835-i2c";
|
|
- reg = <0x7e205000 0x1000>;
|
|
- interrupts = <2 21>;
|
|
- clocks = <&clocks BCM2835_CLOCK_VPU>;
|
|
- #address-cells = <1>;
|
|
- #size-cells = <0>;
|
|
- status = "disabled";
|
|
- };
|
|
-
|
|
- sdhci: sdhci@7e300000 {
|
|
- compatible = "brcm,bcm2835-sdhci";
|
|
- reg = <0x7e300000 0x100>;
|
|
- interrupts = <2 30>;
|
|
- clocks = <&clocks BCM2835_CLOCK_EMMC>;
|
|
- status = "disabled";
|
|
- };
|
|
-
|
|
- i2c1: i2c@7e804000 {
|
|
- compatible = "brcm,bcm2835-i2c";
|
|
- reg = <0x7e804000 0x1000>;
|
|
- interrupts = <2 21>;
|
|
- clocks = <&clocks BCM2835_CLOCK_VPU>;
|
|
- #address-cells = <1>;
|
|
- #size-cells = <0>;
|
|
- status = "disabled";
|
|
- };
|
|
-
|
|
- i2c2: i2c@7e805000 {
|
|
- compatible = "brcm,bcm2835-i2c";
|
|
- reg = <0x7e805000 0x1000>;
|
|
- interrupts = <2 21>;
|
|
- clocks = <&clocks BCM2835_CLOCK_VPU>;
|
|
- #address-cells = <1>;
|
|
- #size-cells = <0>;
|
|
- status = "disabled";
|
|
- };
|
|
-
|
|
- 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";
|
|
+};
|