diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0479-dtoverlays-Add-an-overlay-for-the-VGA666-when-used-w.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0479-dtoverlays-Add-an-overlay-for-the-VGA666-when-used-w.patch | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0479-dtoverlays-Add-an-overlay-for-the-VGA666-when-used-w.patch b/target/linux/bcm27xx/patches-5.10/950-0479-dtoverlays-Add-an-overlay-for-the-VGA666-when-used-w.patch deleted file mode 100644 index 0bfe1c9e30..0000000000 --- a/target/linux/bcm27xx/patches-5.10/950-0479-dtoverlays-Add-an-overlay-for-the-VGA666-when-used-w.patch +++ /dev/null @@ -1,153 +0,0 @@ -From 99f2ab0dad947049e0fa62e88c1e4c1feb7ab379 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.com> -Date: Thu, 4 Feb 2021 14:41:10 +0000 -Subject: [PATCH] dtoverlays: Add an overlay for the VGA666 when used - with vc4-kms-v3d - -Includes optional use of GPIOs 0&1 / BSC0 for DDC to read the EDID -from the display. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 10 ++ - .../dts/overlays/vc4-kms-vga666-overlay.dts | 100 ++++++++++++++++++ - 3 files changed, 111 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-vga666-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -211,6 +211,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - vc4-kms-kippah-7inch.dtbo \ - vc4-kms-v3d.dtbo \ - vc4-kms-v3d-pi4.dtbo \ -+ vc4-kms-vga666.dtbo \ - vga666.dtbo \ - w1-gpio.dtbo \ - w1-gpio-pullup.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -3120,10 +3120,20 @@ Params: cma-512 CMA is 5 - outputs) - - -+Name: vc4-kms-vga666 -+Info: Enable the VGA666 (resistor ladder ADC) for the vc4-kms-v3d driver. -+ Requires vc4-kms-v3d to be loaded. -+Load: dtoverlay=vc4-kms-vga666,<param> -+Params: ddc Enables GPIOs 0&1 as the I2C to read the EDID -+ from the display. NB These are NOT 5V tolerant -+ GPIOs, therefore level shifters are required. -+ -+ - Name: vga666 - Info: Overlay for the Fen Logic VGA666 board - This uses GPIOs 2-21 (so no I2C), and activates the output 2-3 seconds - after the kernel has started. -+ NOT for use with vc4-kms-v3d. - Load: dtoverlay=vga666 - Params: <None> - ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/vc4-kms-vga666-overlay.dts -@@ -0,0 +1,100 @@ -+/* -+ * vc4-kms-vga666-overlay.dts -+ * Configures a FenLogic or similar VGA666 DPI adapter when using the -+ * vc4-kms-v3d driver. -+ * If a suitable I2C level shifter is connected to GPIOs 0&1 and the VGA -+ * ID1/SDA (pin 12) and ID3/SCL (pin 15) lines, then there is the option to -+ * enable reading the EDID from the display. -+ */ -+ -+/dts-v1/; -+/plugin/; -+ -+#include <dt-bindings/pinctrl/bcm2835.h> -+ -+/ { -+ compatible = "brcm,bcm2835"; -+ -+ fragment@0 { -+ target-path = "/"; -+ __overlay__ { -+ vga_connector: vga_connector { -+ compatible = "vga-connector"; -+ label = "vga"; -+ -+ port { -+ vga_con_in: endpoint { -+ remote-endpoint = <&vga666_out>; -+ }; -+ }; -+ }; -+ -+ vga_dac { -+ compatible = "dumb-vga-dac"; -+ -+ ports { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ port@0 { -+ reg = <0>; -+ -+ vga666_in: endpoint { -+ remote-endpoint = <&dpi_out>; -+ }; -+ }; -+ -+ port@1 { -+ reg = <1>; -+ -+ vga666_out: endpoint { -+ remote-endpoint = <&vga_con_in>; -+ }; -+ }; -+ }; -+ }; -+ -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&dpi>; -+ __overlay__ { -+ status = "okay"; -+ -+ pinctrl-names = "default"; -+ pinctrl-0 = <&dpi_18bit_gpio2>; -+ -+ port { -+ dpi_out: endpoint@0 { -+ remote-endpoint = <&vga666_in>; -+ }; -+ }; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&vga_connector>; -+ __dormant__ { -+ ddc-i2c-bus = <&i2c_vc>; -+ }; -+ }; -+ -+ fragment@3 { -+ target = <&i2c0if>; -+ __dormant__ { -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@4 { -+ target = <&i2c0mux>; -+ __dormant__ { -+ status = "okay"; -+ }; -+ }; -+ -+ __overrides__ { -+ ddc = <0>,"=2", <0>,"=3", <0>,"=4"; -+ }; -+}; |