diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0384-Add-devicetree-support-for-RaspberryPi-7-panel-over-.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0384-Add-devicetree-support-for-RaspberryPi-7-panel-over-.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0384-Add-devicetree-support-for-RaspberryPi-7-panel-over-.patch b/target/linux/bcm27xx/patches-5.10/950-0384-Add-devicetree-support-for-RaspberryPi-7-panel-over-.patch new file mode 100644 index 0000000000..cc4e2039da --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0384-Add-devicetree-support-for-RaspberryPi-7-panel-over-.patch @@ -0,0 +1,100 @@ +From 818fff9eed1c36f404f0556a0b239b43799a094b Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Tue, 10 Nov 2020 17:49:35 +0000 +Subject: [PATCH] Add devicetree support for RaspberryPi 7" panel over + DSI I2C + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 8 +++ + .../overlays/vc4-kms-dsi-7inch-overlay.dts | 56 +++++++++++++++++++ + 3 files changed, 65 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-dsi-7inch-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -201,6 +201,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + upstream.dtbo \ + upstream-pi4.dtbo \ + vc4-fkms-v3d.dtbo \ ++ vc4-kms-dsi-7inch.dtbo \ + vc4-kms-kippah-7inch.dtbo \ + vc4-kms-v3d.dtbo \ + vc4-kms-v3d-pi4.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -2935,6 +2935,14 @@ Params: cma-512 CMA is 5 + cma-default Use upstream's default value + + ++Name: vc4-kms-dsi-7inch ++Info: Enable the Raspberry Pi DSI 7" screen. ++ Use edt-ft5406 for the touchscreen element. ++ Requires vc4-kms-v3d to be loaded. ++Load: dtoverlay=vc4-kms-dsi-7inch ++Params: <None> ++ ++ + Name: vc4-kms-kippah-7inch + Info: Enable the Adafruit DPI Kippah with the 7" Ontat panel attached. + Requires vc4-kms-v3d to be loaded. +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/vc4-kms-dsi-7inch-overlay.dts +@@ -0,0 +1,56 @@ ++/* ++ * Device Tree overlay for RaspberryPi 7" Touchscreen panel ++ * ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835"; ++ ++ fragment@0 { ++ target = <&dsi1>; ++ __overlay__ { ++ #address-cells = <1>; size-cells = <0>; ++ status = "okay"; ++ port { ++ dsi_out_port: endpoint { ++ remote-endpoint = <&panel_dsi_port>; ++ }; ++ }; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2c_csi_dsi>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ lcd@45 { ++ compatible = "raspberrypi,7inch-touchscreen-panel"; ++ reg = <0x45>; ++ port { ++ panel_dsi_port: endpoint { ++ remote-endpoint = <&dsi_out_port>; ++ }; ++ }; ++ }; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c0if>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@3 { ++ target = <&i2c0mux>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++}; |