aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.4/0161-DT-Add-overlays-to-configure-I2C-pins.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0161-DT-Add-overlays-to-configure-I2C-pins.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0161-DT-Add-overlays-to-configure-I2C-pins.patch134
1 files changed, 0 insertions, 134 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0161-DT-Add-overlays-to-configure-I2C-pins.patch b/target/linux/brcm2708/patches-4.4/0161-DT-Add-overlays-to-configure-I2C-pins.patch
deleted file mode 100644
index eddbdf8707..0000000000
--- a/target/linux/brcm2708/patches-4.4/0161-DT-Add-overlays-to-configure-I2C-pins.patch
+++ /dev/null
@@ -1,134 +0,0 @@
-From ada7795b8734bd5d66ff9e7499fff148f0e17510 Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <6by9@users.noreply.github.com>
-Date: Mon, 8 Feb 2016 23:49:41 +0000
-Subject: [PATCH] DT: Add overlays to configure I2C pins
-
-Lifted from
-https://www.raspberrypi.org/forums/viewtopic.php?f=107&t=120938&p=825883
-so not claiming this to be my own work.
-Adds overlays i2c0-bcm2708 and i2c1-bcm2708 that allow the pin
-allocations for i2c-0 and i2c-1 to be changed.
----
- arch/arm/boot/dts/overlays/Makefile | 2 ++
- arch/arm/boot/dts/overlays/README | 16 ++++++++++
- .../arm/boot/dts/overlays/i2c0-bcm2708-overlay.dts | 36 +++++++++++++++++++++
- .../arm/boot/dts/overlays/i2c1-bcm2708-overlay.dts | 37 ++++++++++++++++++++++
- 4 files changed, 91 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/i2c0-bcm2708-overlay.dts
- create mode 100644 arch/arm/boot/dts/overlays/i2c1-bcm2708-overlay.dts
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -29,6 +29,8 @@ dtb-$(RPI_DT_OVERLAYS) += hy28a-overlay.
- dtb-$(RPI_DT_OVERLAYS) += hy28b-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += i2c-rtc-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += i2c-gpio-overlay.dtb
-+dtb-$(RPI_DT_OVERLAYS) += i2c0-bcm2708-overlay.dtb
-+dtb-$(RPI_DT_OVERLAYS) += i2c1-bcm2708-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += i2s-mmap-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += iqaudio-dac-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += iqaudio-dacplus-overlay.dtb
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -371,6 +371,22 @@ Params: ds1307 Select t
- pcf8563 Select the PCF8563 device
-
-
-+Name: i2c0-bcm2708
-+Info: Enable the i2c_bcm2708 driver for the i2c0 bus
-+Load: dtoverlay=i2c0-bcm2708,<param>=<val>
-+Params: sda0_pin GPIO pin for SDA0 (0, 28 [or 44] - default 0)
-+ scl0_pin GPIO pin for SCL0 (1, 29 [or 45] - default 1)
-+
-+
-+Name: i2c1-bcm2708
-+Info: Enable the i2c_bcm2708 driver for the i2c1 bus
-+Load: dtoverlay=i2c1-bcm2708,<param>=<val>
-+Params: sda1_pin GPIO pin for SDA1 (2 or 44 - default 2)
-+ scl1_pin GPIO pin for SCL1 (3 or 45 - default 3)
-+ pin_func Alternative pin function (4 (alt0), 6 (alt2) -
-+ default 4)
-+
-+
- Name: i2s-mmap
- Info: Enables mmap support in the bcm2708-i2s driver
- Load: dtoverlay=i2s-mmap
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/i2c0-bcm2708-overlay.dts
-@@ -0,0 +1,36 @@
-+/*
-+ * Device tree overlay for i2c_bcm2708, i2c0 bus
-+ *
-+ * Compile:
-+ * dtc -@ -I dts -O dtb -o i2c0-bcm2708-overlay.dtb i2c0-bcm2708-overlay.dts
-+ */
-+
-+/dts-v1/;
-+/plugin/;
-+
-+/{
-+ compatible = "brcm,bcm2708";
-+
-+ fragment@0 {
-+ target = <&i2c0>;
-+ __overlay__ {
-+ pinctrl-0 = <&i2c0_pins>;
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target = <&gpio>;
-+ __overlay__ {
-+ i2c0_pins: i2c0 {
-+ brcm,pins = <0 1>;
-+ brcm,function = <4>; /* alt0 */
-+ };
-+ };
-+ };
-+
-+ __overrides__ {
-+ sda0_pin = <&i2c0_pins>,"brcm,pins:0";
-+ scl0_pin = <&i2c0_pins>,"brcm,pins:4";
-+ };
-+};
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/i2c1-bcm2708-overlay.dts
-@@ -0,0 +1,37 @@
-+/*
-+ * Device tree overlay for i2c_bcm2708, i2c1 bus
-+ *
-+ * Compile:
-+ * dtc -@ -I dts -O dtb -o i2c1-bcm2708-overlay.dtb i2c1-bcm2708-overlay.dts
-+ */
-+
-+/dts-v1/;
-+/plugin/;
-+
-+/{
-+ compatible = "brcm,bcm2708";
-+
-+ fragment@0 {
-+ target = <&i2c1>;
-+ __overlay__ {
-+ pinctrl-0 = <&i2c1_pins>;
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target = <&gpio>;
-+ __overlay__ {
-+ i2c1_pins: i2c1 {
-+ brcm,pins = <2 3>;
-+ brcm,function = <4>; /* alt0 */
-+ };
-+ };
-+ };
-+
-+ __overrides__ {
-+ sda1_pin = <&i2c1_pins>,"brcm,pins:0";
-+ scl1_pin = <&i2c1_pins>,"brcm,pins:4";
-+ pin_func = <&i2c1_pins>,"brcm,function:0";
-+ };
-+};