diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0511-Add-Adafruit-pitft35-touchscreen-support-1657.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0511-Add-Adafruit-pitft35-touchscreen-support-1657.patch | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0511-Add-Adafruit-pitft35-touchscreen-support-1657.patch b/target/linux/brcm2708/patches-4.4/0511-Add-Adafruit-pitft35-touchscreen-support-1657.patch deleted file mode 100644 index 9b8806ddda..0000000000 --- a/target/linux/brcm2708/patches-4.4/0511-Add-Adafruit-pitft35-touchscreen-support-1657.patch +++ /dev/null @@ -1,196 +0,0 @@ -From a0cc0a16b17996107a6dd712de9031a7bb7d0b34 Mon Sep 17 00:00:00 2001 -From: Scott Ellis <scott@jumpnowtek.com> -Date: Tue, 27 Sep 2016 04:29:00 -0400 -Subject: [PATCH] Add Adafruit pitft35 touchscreen support (#1657) - -The dts comes from the Adafruit repository - - https://github.com/adafruit/Adafruit-Pi-Kernel-o-Matic/blob/pitft/pitft35r-overlay.dts - -Reformatted slightly to match conventions in the pitft28-resistive-overlay. - -Signed-off-by: Scott Ellis <scott@jumpnowtek.com> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 12 ++ - .../dts/overlays/pitft35-resistive-overlay.dts | 121 +++++++++++++++++++++ - arch/arm/configs/bcm2709_defconfig | 1 + - arch/arm/configs/bcmrpi_defconfig | 1 + - 5 files changed, 136 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -65,6 +65,7 @@ dtbo-$(RPI_DT_OVERLAYS) += piscreen2r.dt - dtbo-$(RPI_DT_OVERLAYS) += pitft22.dtbo - dtbo-$(RPI_DT_OVERLAYS) += pitft28-capacitive.dtbo - dtbo-$(RPI_DT_OVERLAYS) += pitft28-resistive.dtbo -+dtbo-$(RPI_DT_OVERLAYS) += pitft35-resistive.dtbo - dtbo-$(RPI_DT_OVERLAYS) += pps-gpio.dtbo - dtbo-$(RPI_DT_OVERLAYS) += pwm.dtbo - dtbo-$(RPI_DT_OVERLAYS) += pwm-2chan.dtbo ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -854,6 +854,18 @@ Params: speed Display - debug Debug output level {0-7} - - -+Name: pitft35-resistive -+Info: Adafruit PiTFT 3.5" resistive touch screen -+Load: dtoverlay=pitft35-resistive,<param>=<val> -+Params: speed Display SPI bus speed -+ -+ rotate Display rotation {0,90,180,270} -+ -+ fps Delay between frame updates -+ -+ debug Debug output level {0-7} -+ -+ - Name: pps-gpio - Info: Configures the pps-gpio (pulse-per-second time signal via GPIO). - Load: dtoverlay=pps-gpio,<param>=<val> ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts -@@ -0,0 +1,121 @@ -+/* -+ * Device Tree overlay for Adafruit PiTFT 3.5" resistive touch screen -+ * -+ */ -+ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; -+ -+ fragment@0 { -+ target = <&spi0>; -+ __overlay__ { -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&spidev0>; -+ __overlay__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&spidev1>; -+ __overlay__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@3 { -+ target = <&gpio>; -+ __overlay__ { -+ pitft_pins: pitft_pins { -+ brcm,pins = <24 25>; -+ brcm,function = <0 1>; /* in out */ -+ brcm,pull = <2 0>; /* pullup none */ -+ }; -+ }; -+ }; -+ -+ fragment@4 { -+ target = <&spi0>; -+ __overlay__ { -+ /* needed to avoid dtc warning */ -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ pitft: pitft@0{ -+ compatible = "himax,hx8357d"; -+ reg = <0>; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pitft_pins>; -+ -+ spi-max-frequency = <32000000>; -+ rotate = <90>; -+ fps = <25>; -+ bgr; -+ buswidth = <8>; -+ dc-gpios = <&gpio 25 0>; -+ debug = <0>; -+ }; -+ -+ pitft_ts@1 { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ compatible = "st,stmpe610"; -+ reg = <1>; -+ -+ spi-max-frequency = <500000>; -+ irq-gpio = <&gpio 24 0x2>; /* IRQF_TRIGGER_FALLING */ -+ interrupts = <24 2>; /* high-to-low edge triggered */ -+ interrupt-parent = <&gpio>; -+ interrupt-controller; -+ -+ stmpe_touchscreen { -+ compatible = "st,stmpe-ts"; -+ st,sample-time = <4>; -+ st,mod-12b = <1>; -+ st,ref-sel = <0>; -+ st,adc-freq = <2>; -+ st,ave-ctrl = <3>; -+ st,touch-det-delay = <4>; -+ st,settling = <2>; -+ st,fraction-z = <7>; -+ st,i-drive = <0>; -+ }; -+ -+ stmpe_gpio: stmpe_gpio { -+ #gpio-cells = <2>; -+ compatible = "st,stmpe-gpio"; -+ /* -+ * only GPIO2 is wired/available -+ * and it is wired to the backlight -+ */ -+ st,norequest-mask = <0x7b>; -+ }; -+ }; -+ }; -+ }; -+ -+ fragment@5 { -+ target-path = "/soc"; -+ __overlay__ { -+ backlight { -+ compatible = "gpio-backlight"; -+ gpios = <&stmpe_gpio 2 0>; -+ default-on; -+ }; -+ }; -+ }; -+ -+ __overrides__ { -+ speed = <&pitft>,"spi-max-frequency:0"; -+ rotate = <&pitft>,"rotate:0"; -+ fps = <&pitft>,"fps:0"; -+ debug = <&pitft>,"debug:0"; -+ }; -+}; ---- a/arch/arm/configs/bcm2709_defconfig -+++ b/arch/arm/configs/bcm2709_defconfig -@@ -1116,6 +1116,7 @@ CONFIG_FB_TFT_BD663474=m - CONFIG_FB_TFT_HX8340BN=m - CONFIG_FB_TFT_HX8347D=m - CONFIG_FB_TFT_HX8353D=m -+CONFIG_FB_TFT_HX8357D=m - CONFIG_FB_TFT_ILI9163=m - CONFIG_FB_TFT_ILI9320=m - CONFIG_FB_TFT_ILI9325=m ---- a/arch/arm/configs/bcmrpi_defconfig -+++ b/arch/arm/configs/bcmrpi_defconfig -@@ -1123,6 +1123,7 @@ CONFIG_FB_TFT_BD663474=m - CONFIG_FB_TFT_HX8340BN=m - CONFIG_FB_TFT_HX8347D=m - CONFIG_FB_TFT_HX8353D=m -+CONFIG_FB_TFT_HX8357D=m - CONFIG_FB_TFT_ILI9163=m - CONFIG_FB_TFT_ILI9320=m - CONFIG_FB_TFT_ILI9325=m |