linux-kernel - [PATCH 3/4] arm64: dts: exynosautov920: enable support for scaler device

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Message-ID: <20250827044720.3751272-4-kiisung.lee@samsung.com>
Date: Wed, 27 Aug 2025 04:47:19 +0000
From: Kisung Lee <kiisung.lee@...sung.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard
	<mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David Airlie
	<airlied@...il.com>, Simona Vetter <simona@...ll.ch>, Rob Herring
	<robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, Mauro Carvalho
	Chehab <mchehab@...nel.org>, Inki Dae <inki.dae@...sung.com>
Cc: Kisung Lee <kiisung.lee@...sung.com>, dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
	linux-media@...r.kernel.org
Subject: [PATCH 3/4] arm64: dts: exynosautov920: enable support for scaler
 device

Add the Scaler Devicetree for the Scaler present on the
ExynosAutoV920 SoC. The scaler provides hardware acceleration
for 2D scaling up/down and color space conversion processing.

Signed-off-by: Kisung Lee <kiisung.lee@...sung.com>
---
 .../arm64/boot/dts/exynos/exynosautov920.dtsi | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
index 0fdf2062930a..e3dad683fa36 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
@@ -26,6 +26,7 @@ aliases {
 		pinctrl5 = &pinctrl_hsi2ufs;
 		pinctrl6 = &pinctrl_peric0;
 		pinctrl7 = &pinctrl_peric1;
+		scaler0 = &scaler_0;
 	};
 
 	arm-pmu {
@@ -1504,6 +1505,27 @@ timer {
 			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>,
 			     <GIC_PPI 12 IRQ_TYPE_LEVEL_LOW>;
 	};
+
+	scaler_0: scaler@...30000 {
+		compatible = "samsung,exynos5-scaler";
+		reg = <0x0 0x1A830000 0x0 0x3000>;
+		interrupts = <GIC_SPI 639 IRQ_TYPE_LEVEL_HIGH>;
+
+		mscl_qos_table = < 0 800000 800000
+				   0 663000 663000
+				   0 533000 553000
+				   0 400000 400000
+				   0 350000 350000
+				   0 200000 200000
+				   0 160000 160000 >;
+
+		mscl_ppc_table = <  12  496 470
+				    16  374 342
+				    24  303 288
+				    32  189 188
+				   100  479 436	>;
+		status = "disabled";
+	};
 };
 
 #include "exynosautov920-pinctrl.dtsi"
-- 
2.25.1