linux-kernel - [PATCH] arm64: dts: mediatek: mt8188: Add VDO0's DSC and MERGE block nodes

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Message-ID: <20241218105356.39111-1-angelogioacchino.delregno@collabora.com>
Date: Wed, 18 Dec 2024 11:53:56 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: linux-mediatek@...ts.infradead.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com,
	macpaul.lin@...iatek.com
Subject: [PATCH] arm64: dts: mediatek: mt8188: Add VDO0's DSC and MERGE block nodes

Add nodes for the DSC0 and MERGE0 blocks, located in VDOSYS0 and
necessary to add support for Display Stream Compression with a
display pipeline that looks like:

    [other components] -> DSC0 -> MERGE0 -> Display Interface

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 arch/arm64/boot/dts/mediatek/mt8188.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8188.dtsi b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
index 137bd39808ea..6ef385072c9f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8188.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
@@ -26,9 +26,11 @@ / {
 	aliases {
 		dp-intf0 = &dp_intf0;
 		dp-intf1 = &dp_intf1;
+		dsc0 = &dsc0;
 		ethdr0 = &ethdr0;
 		gce0 = &gce0;
 		gce1 = &gce1;
+		merge0 = &merge0;
 		merge1 = &merge1;
 		merge2 = &merge2;
 		merge3 = &merge3;
@@ -2880,6 +2882,15 @@ disp_dsi0: dsi@...08000 {
 			status = "disabled";
 		};
 
+		dsc0: dsc@...09000 {
+			compatible = "mediatek,mt8188-disp-dsc", "mediatek,mt8195-disp-dsc";
+			reg = <0 0x1c009000 0 0x1000>;
+			clocks = <&vdosys0 CLK_VDO0_DSC_WRAP0>;
+			interrupts = <GIC_SPI 645 IRQ_TYPE_LEVEL_HIGH 0>;
+			power-domains = <&spm MT8188_POWER_DOMAIN_VDOSYS0>;
+			mediatek,gce-client-reg = <&gce0 SUBSYS_1c00XXXX 0x9000 0x1000>;
+		};
+
 		disp_dsi1: dsi@...12000 {
 			compatible = "mediatek,mt8188-dsi";
 			reg = <0 0x1c012000 0 0x1000>;
@@ -2895,6 +2906,17 @@ disp_dsi1: dsi@...12000 {
 			status = "disabled";
 		};
 
+		merge0: merge0@...14000 {
+			compatible = "mediatek,mt8188-disp-merge", "mediatek,mt8195-disp-merge";
+			reg = <0 0x1c014000 0 0x1000>;
+			clocks = <&vdosys0 CLK_VDO0_VPP_MERGE0>,
+				 <&vdosys1 CLK_VDO1_MERGE_VDO1_DL_ASYNC>;
+			clock-names = "merge", "merge_async";
+			interrupts = <GIC_SPI 656 IRQ_TYPE_LEVEL_HIGH 0>;
+			power-domains = <&spm MT8188_POWER_DOMAIN_VDOSYS0>;
+			mediatek,gce-client-reg = <&gce0 SUBSYS_1c01XXXX 0x4000 0x1000>;
+		};
+
 		dp_intf0: dp-intf@...15000 {
 			compatible = "mediatek,mt8188-dp-intf";
 			reg = <0 0x1c015000 0 0x1000>;
-- 
2.46.1