aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.4/0231-RPi-config-Add-CONFIG_PWM_PCA9685-for-NXP-PCA9685-dr.patch
diff options
context:
space:
mode:
authorÁlvaro Fernández Rojas <noltari@gmail.com>2016-04-24 13:03:39 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2016-04-24 13:03:39 +0200
commit525b311bf869d7e252d744e501e227263a955c8e (patch)
tree4c644f534e5b577b9256d26b1e9a2e4a0453698e /target/linux/brcm2708/patches-4.4/0231-RPi-config-Add-CONFIG_PWM_PCA9685-for-NXP-PCA9685-dr.patch
parent0ab31bfced9666f3fb58acdb5833a93e4f4f5f7e (diff)
downloadupstream-525b311bf869d7e252d744e501e227263a955c8e.tar.gz
upstream-525b311bf869d7e252d744e501e227263a955c8e.tar.bz2
upstream-525b311bf869d7e252d744e501e227263a955c8e.zip
brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0231-RPi-config-Add-CONFIG_PWM_PCA9685-for-NXP-PCA9685-dr.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0231-RPi-config-Add-CONFIG_PWM_PCA9685-for-NXP-PCA9685-dr.patch92
1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0231-RPi-config-Add-CONFIG_PWM_PCA9685-for-NXP-PCA9685-dr.patch b/target/linux/brcm2708/patches-4.4/0231-RPi-config-Add-CONFIG_PWM_PCA9685-for-NXP-PCA9685-dr.patch
new file mode 100644
index 0000000000..cced99b911
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0231-RPi-config-Add-CONFIG_PWM_PCA9685-for-NXP-PCA9685-dr.patch
@@ -0,0 +1,92 @@
+From 6273867fcddb010a62be4d1d5dcba124b1661681 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <6by9@users.noreply.github.com>
+Date: Fri, 1 Apr 2016 15:28:46 +0100
+Subject: [PATCH 231/304] RPi config: Add CONFIG_PWM_PCA9685 for NXP PCA9685
+ driver over I2C
+
+Includes DT overlay to configure it.
+
+Signed-off-by: Dave Stevenson <6by9@users.noreply.github.com>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 6 +++++
+ .../boot/dts/overlays/i2c-pwm-pca9685a-overlay.dts | 26 ++++++++++++++++++++++
+ arch/arm/configs/bcm2709_defconfig | 1 +
+ arch/arm/configs/bcmrpi_defconfig | 1 +
+ 5 files changed, 35 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/i2c-pwm-pca9685a-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -30,6 +30,7 @@ dtbo-$(RPI_DT_OVERLAYS) += hy28b.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2c-rtc.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2c-gpio.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2c-mux-pca9548a.dtbo
++dtbo-$(RPI_DT_OVERLAYS) += i2c-pwm-pca9685a.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2c0-bcm2708.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2c1-bcm2708.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2s-mmap.dtbo
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -366,6 +366,12 @@ Load: dtoverlay=i2c-mux-pca9548a,<para
+ Params: addr I2C address of PCA9548A (default 0x70)
+
+
++Name: i2c-pwm-pca9685a
++Info: Adds support for an NXP PCA9685A I2C PWM controller on i2c_arm
++Load: dtoverlay=i2c-pwm-pca9685a,<param>=<val>
++Params: addr I2C address of PCA9685A (default 0x40)
++
++
+ Name: i2c-rtc
+ Info: Adds support for a number of I2C Real Time Clock devices
+ Load: dtoverlay=i2c-rtc,<param>=<val>
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/i2c-pwm-pca9685a-overlay.dts
+@@ -0,0 +1,26 @@
++// Definitions for NXP PCA9685A I2C PWM controller on ARM I2C bus.
++/dts-v1/;
++/plugin/;
++
++/{
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&i2c_arm>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ pca: pca@40 {
++ compatible = "nxp,pca9685";
++ #pwm-cells = <2>;
++ reg = <0x40>;
++ status = "okay";
++ };
++ };
++ };
++ __overrides__ {
++ addr = <&pca>,"reg:0";
++ };
++};
+--- a/arch/arm/configs/bcm2709_defconfig
++++ b/arch/arm/configs/bcm2709_defconfig
+@@ -1122,6 +1122,7 @@ CONFIG_MCP320X=m
+ CONFIG_MCP3422=m
+ CONFIG_DHT11=m
+ CONFIG_PWM_BCM2835=m
++CONFIG_PWM_PCA9685=m
+ CONFIG_RASPBERRYPI_FIRMWARE=y
+ CONFIG_EXT4_FS=y
+ CONFIG_EXT4_FS_POSIX_ACL=y
+--- a/arch/arm/configs/bcmrpi_defconfig
++++ b/arch/arm/configs/bcmrpi_defconfig
+@@ -1129,6 +1129,7 @@ CONFIG_MCP320X=m
+ CONFIG_MCP3422=m
+ CONFIG_DHT11=m
+ CONFIG_PWM_BCM2835=m
++CONFIG_PWM_PCA9685=m
+ CONFIG_RASPBERRYPI_FIRMWARE=y
+ CONFIG_EXT4_FS=y
+ CONFIG_EXT4_FS_POSIX_ACL=y