[PATCH 2/3] dts: decoder: Support V4L2 stateless decoder dt node for S4

Zhentao Guo via B4 Relay devnull+zhentao.guo.amlogic.com at kernel.org
Sun Oct 26 22:42:38 PDT 2025


From: Zhentao Guo <zhentao.guo at amlogic.com>

Add vcodec_dec to the s4 dtsi for the V4L2 stateless decoder driver

Signed-off-by: Zhentao Guo <zhentao.guo at amlogic.com>
---
 arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index 9d99ed2994df..028566f7423d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
@@ -853,5 +853,29 @@ emmc: mmc at fe08c000 {
 			no-sd;
 			status = "disabled";
 		};
+
+		video-codec at fe320000 {
+			compatible = "amlogic,s4-vcodec-dec";
+			reg = <0x0 0xfe320000 0x0 0x10000>,
+			      <0x0 0xfe036000 0x0 0x2000>;
+			reg-names = "dosbus",
+				    "dmcbus";
+			interrupts = <GIC_SPI 91 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 92 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "mailbox_0",
+					  "mailbox_1",
+					  "mailbox_2";
+			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 = "pwrc-vdec",
+					     "pwrc-hevc";
+		};
 	};
 };

-- 
2.42.0





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