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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-09-04 19:01:23 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-09-04 19:02:48 +0200 |
commit | 662394fb30fdbcc89ec387918714aebee6868a9f (patch) | |
tree | c308c5f1a650abf9d9ccbb2a1747469a0d8570c0 /target/linux/brcm2708/patches-4.19/950-0420-BCM2708-Add-core-Device-Tree-support-ilitek251x.patch | |
parent | 99a5e285887c4a10aaf06d8e01fae0707995da00 (diff) | |
download | upstream-662394fb30fdbcc89ec387918714aebee6868a9f.tar.gz upstream-662394fb30fdbcc89ec387918714aebee6868a9f.tar.bz2 upstream-662394fb30fdbcc89ec387918714aebee6868a9f.zip |
brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0420-BCM2708-Add-core-Device-Tree-support-ilitek251x.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0420-BCM2708-Add-core-Device-Tree-support-ilitek251x.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0420-BCM2708-Add-core-Device-Tree-support-ilitek251x.patch b/target/linux/brcm2708/patches-4.19/950-0420-BCM2708-Add-core-Device-Tree-support-ilitek251x.patch new file mode 100644 index 0000000000..ddf3a12d8a --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0420-BCM2708-Add-core-Device-Tree-support-ilitek251x.patch @@ -0,0 +1,91 @@ +From e644cea3bde737b63deb6f18456200b2db85af6e Mon Sep 17 00:00:00 2001 +From: Samuel Hsu <hsu@distec.de> +Date: Mon, 8 Apr 2019 17:06:44 +0200 +Subject: [PATCH 420/782] BCM2708: Add core Device Tree support, ilitek251x + +Signed-off-by: Samuel Hsu <hsu@distec.de> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 11 +++++ + .../boot/dts/overlays/ilitek251x-overlay.dts | 45 +++++++++++++++++++ + 3 files changed, 57 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/ilitek251x-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -67,6 +67,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + i2c0-bcm2708.dtbo \ + i2c1-bcm2708.dtbo \ + i2s-gpio28-31.dtbo \ ++ ilitek251x.dtbo \ + iqaudio-dac.dtbo \ + iqaudio-dacplus.dtbo \ + iqaudio-digi-wm8804-audio.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -1146,6 +1146,17 @@ Load: dtoverlay=i2s-gpio28-31 + Params: <None> + + ++Name: ilitek251x ++Info: Enables I2C connected Ilitek 251x multiple touch controller using ++ GPIO 4 (pin 7 on GPIO header) for interrupt. ++Load: dtoverlay=ilitek251x,<param>=<val> ++Params: interrupt GPIO used for interrupt (default 4) ++ sizex Touchscreen size x, horizontal resolution of ++ touchscreen (in pixels) ++ sizey Touchscreen size y, vertical resolution of ++ touchscreen (in pixels) ++ ++ + Name: iqaudio-dac + Info: Configures the IQaudio DAC audio card + Load: dtoverlay=iqaudio-dac,<param> +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/ilitek251x-overlay.dts +@@ -0,0 +1,45 @@ ++// Device tree overlay for I2C connected Ilitek multiple touch controller ++/dts-v1/; ++/plugin/; ++ ++ / { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target = <&gpio>; ++ __overlay__ { ++ ili251x_pins: ili251x_pins { ++ brcm,pins = <4>; // interrupt ++ brcm,function = <0>; // in ++ brcm,pull = <2>; // pull-up // ++ }; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2c1>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ ili251x: ili251x@41 { ++ compatible = "ilitek,ili251x"; ++ reg = <0x41>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&ili251x_pins>; ++ interrupt-parent = <&gpio>; ++ interrupts = <4 8>; // high-to-low edge triggered ++ touchscreen-size-x = <16384>; ++ touchscreen-size-y = <9600>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ interrupt = <&ili251x_pins>,"brcm,pins:0", ++ <&ili251x>,"interrupts:0"; ++ sizex = <&ili251x>,"touchscreen-size-x:0"; ++ sizey = <&ili251x>,"touchscreen-size-y:0"; ++ }; ++}; |