diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch b/target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch new file mode 100644 index 0000000000..ee92ada02f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch @@ -0,0 +1,102 @@ +From b1d6499e00b6061ecc7061335199acf86f54d31a Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Fri, 13 Mar 2020 16:52:55 +0000 +Subject: [PATCH] dtoverlays: Add overlay to enable the HEVC V4L2 + driver + +This replaces the rpivid_mem register mapping driver. +When the driver is complete, these DT changes should be +merged into the base DT instead of being an overlay. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 7 +++ + .../boot/dts/overlays/rpivid-v4l2-overlay.dts | 55 +++++++++++++++++++ + 4 files changed, 63 insertions(+), 2 deletions(-) + create mode 100644 arch/arm/boot/dts/overlays/rpivid-v4l2-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -140,6 +140,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + rpi-proto.dtbo \ + rpi-sense.dtbo \ + rpi-tv.dtbo \ ++ rpivid-v4l2.dtbo \ + rra-digidac1-wm8741-audio.dtbo \ + sc16is750-i2c.dtbo \ + sc16is752-i2c.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -2064,6 +2064,13 @@ Load: dtoverlay=rpi-tv + Params: <None> + + ++Name: rpivid-v4l2 ++Info: Load the V4L2 stateless video decoder driver for the HEVC block, ++ disabling the memory mapped devices in the process. ++Load: dtoverlay=rpivid-v4l2 ++Params: <None> ++ ++ + Name: rra-digidac1-wm8741-audio + Info: Configures the Red Rocks Audio DigiDAC1 soundcard + Load: dtoverlay=rra-digidac1-wm8741-audio +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/rpivid-v4l2-overlay.dts +@@ -0,0 +1,55 @@ ++// SPDX-License-Identifier: GPL-2.0-only ++// Definitions for Raspberry Pi video decode engine ++/dts-v1/; ++/plugin/; ++ ++#include <dt-bindings/interrupt-controller/arm-gic.h> ++ ++/{ ++ compatible = "brcm,bcm2711"; ++ ++ fragment@0 { ++ target = <&scb>; ++ __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <2>; ++ #size-cells = <1>; ++ codec@7eb10000 { ++ compatible = "raspberrypi,rpivid-vid-decoder"; ++ reg = <0x0 0x7eb10000 0x1000>, /* INTC */ ++ <0x0 0x7eb00000 0x10000>; /* HEVC */ ++ reg-names = "intc", ++ "hevc"; ++ ++ interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; ++ ++ clocks = <&hevc_clk>; ++ clock-names = "hevc"; ++ ++ hevc_clk: hevc_clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <500000000>; ++ }; ++ }; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&scb>; ++ __overlay__ { ++ hevc-decoder@7eb00000 { ++ status = "disabled"; ++ }; ++ rpivid-local-intc@7eb10000 { ++ status = "disabled"; ++ }; ++ h264-decoder@7eb20000 { ++ status = "disabled"; ++ }; ++ vp9-decoder@7eb30000 { ++ status = "disabled"; ++ }; ++ }; ++ }; ++}; |