[PATCH RFC v3 3/4] arm64: dts: amlogic: Add video decoder driver support for S4 SOCs
From: Zhentao Guo via B4 Relay <devnull+zhentao.guo.amlogic.com@kernel.org>
Date: 2026-01-21 10:31:19
Also in:
b4-sent, linux-amlogic, linux-devicetree, linux-media, lkml
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
From: Zhentao Guo <redacted> Add vcodec node to enable Amlogic V4L2 stateless video decoder support. Signed-off-by: Zhentao Guo <redacted> --- arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index dfc0a30a6e61..b8355e41d550 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi@@ -862,5 +862,33 @@ emmc: mmc@fe08c000 { assigned-clocks = <&clkc_periphs CLKID_SD_EMMC_C>; assigned-clock-rates = <24000000>; }; + + canvas: video-lut@fe036048 { + compatible = "amlogic,canvas"; + reg = <0x0 0xfe036048 0x0 0x14>; + }; + + video-codec@fe320000 { + compatible = "amlogic,s4-vcodec-dec"; + reg = <0x0 0xfe320000 0x0 0x10000>, + <0x0 0xfe036000 0x0 0x20>; + amlogic,canvas = <&canvas>; + reg-names = "dos", + "dmc"; + interrupts = <GIC_SPI 91 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 92 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc_periphs CLKID_DOS>, + <&clkc_periphs CLKID_VDEC_SEL>, + <&clkc_periphs CLKID_HEVCF_SEL>; + clock-names = "vdec", + "clk_vdec_mux", + "clk_hevcf_mux"; + power-domains = <&pwrc PWRC_S4_DOS_VDEC_ID>, + <&pwrc PWRC_S4_DOS_HEVC_ID>; + power-domain-names = "vdec", + "hevc"; + resets = <&reset RESET_DOS>; + }; }; };
--
2.42.0