mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 08:21:14 +00:00
91 lines
1.8 KiB
Diff
91 lines
1.8 KiB
Diff
From 311119b99b34e88df249d706c69bdcffcd8dafb5 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Wed, 17 Jun 2015 17:10:40 +0100
|
|
Subject: [PATCH 088/121] BCM270x_DT: Default Compute Module i2c, i2s and spi
|
|
support
|
|
|
|
---
|
|
arch/arm/boot/dts/bcm2708-rpi-cm.dts | 67 ++++++++++++++++++++++++++++++++++++
|
|
1 file changed, 67 insertions(+)
|
|
|
|
--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
|
|
+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
|
|
@@ -10,10 +10,77 @@
|
|
status = "okay";
|
|
};
|
|
|
|
+&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 = <18 19 20 21>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+};
|
|
+
|
|
+&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>;
|
|
+};
|
|
+
|
|
+&i2s {
|
|
+ #sound-dai-cells = <0>;
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&i2s_pins>;
|
|
+};
|
|
+
|
|
/ {
|
|
__overrides__ {
|
|
uart0 = <&uart0>,"status";
|
|
uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
|
|
+ i2s = <&i2s>,"status";
|
|
+ spi = <&spi0>,"status";
|
|
+ i2c0 = <&i2c0>,"status";
|
|
+ i2c1 = <&i2c1>,"status";
|
|
+ i2c0_baudrate = <&i2c0>,"clock-frequency:0";
|
|
+ i2c1_baudrate = <&i2c1>,"clock-frequency:0";
|
|
core_freq = <&clk_core>,"clock-frequency:0";
|
|
};
|
|
};
|