linux-kernel - [RFT 04/10] ARM: dts: exynos: Add GPU/Mali 400 node to Exynos3250

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Message-Id: <20190618190534.4951-5-krzk@kernel.org>
Date:   Tue, 18 Jun 2019 21:05:28 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kukjin Kim <kgene@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Olof Johansson <olof@...om.net>,
        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-clk@...r.kernel.org
Cc:     Joseph Kogut <joseph.kogut@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Inki Dae <inki.dae@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [RFT 04/10] ARM: dts: exynos: Add GPU/Mali 400 node to Exynos3250

Add nodes for GPU (Mali 400) to Exynos3250.  This is still limited and
not tested:
1. No dynamic voltage and frequency scaling,
2. Not sure what to do with CLK_G3D clock responsible for gating entire
   IP block (it is now being disabled as unused).

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 arch/arm/boot/dts/exynos3250-artik5.dtsi |  5 ++++
 arch/arm/boot/dts/exynos3250-monk.dts    |  5 ++++
 arch/arm/boot/dts/exynos3250-rinato.dts  |  5 ++++
 arch/arm/boot/dts/exynos3250.dtsi        | 33 ++++++++++++++++++++++++
 4 files changed, 48 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
index ace50e194a45..dee35e3a5c4b 100644
--- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
+++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
@@ -59,6 +59,11 @@
 	cpu0-supply = <&buck2_reg>;
 };
 
+&gpu {
+	mali-supply = <&buck3_reg>;
+	status = "okay";
+};
+
 &i2c_0 {
 	#address-cells = <1>;
 	#size-cells = <0>;
diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
index e25765500e99..248bd372fe70 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -172,6 +172,11 @@
 	status = "okay";
 };
 
+&gpu {
+	mali-supply = <&buck3_reg>;
+	status = "okay";
+};
+
 &hsotg {
 	vusb_d-supply = <&ldo15_reg>;
 	vusb_a-supply = <&ldo12_reg>;
diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index 7479993755da..86c26a4edfd7 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -244,6 +244,11 @@
 	};
 };
 
+&gpu {
+	mali-supply = <&buck3_reg>;
+	status = "okay";
+};
+
 &i2c_0 {
 	#address-cells = <1>;
 	#size-cells = <0>;
diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index 8ce3a7786b19..c5f37618f329 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -126,6 +126,39 @@
 		};
 	};
 
+	gpu: gpu@...00000 {
+		compatible = "samsung,exynos3250-mali", "arm,mali-400";
+		reg = <0x13000000 0x10000>;
+		interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "gp",
+				  "gpmmu",
+				  "pp0",
+				  "ppmmu0",
+				  "pp1",
+				  "ppmmu1",
+				  "pp2",
+				  "ppmmu2",
+				  "pp3",
+				  "ppmmu3",
+				  "pmu";
+		clocks = <&cmu CLK_ASYNC_G3D>,
+			 <&cmu CLK_SCLK_G3D>;
+		clock-names = "bus", "core";
+		power-domains = <&pd_g3d>;
+		status = "disabled";
+		/* TODO: operating points for DVFS */
+	};
+
 	pmu {
 		compatible = "arm,cortex-a7-pmu";
 		interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
-- 
2.17.1