linux-kernel - [PATCH v2 6/8] DT: arm: exynos: add DMC device for exynos5422

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Date:   Tue, 29 Jan 2019 18:55:12 +0100
From:   Lukasz Luba <l.luba@...tner.samsung.com>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:     b.zolnierkie@...sung.com, krzk@...nel.org, kgene@...nel.org,
        cw00.choi@...sung.com, kyungmin.park@...sung.com,
        m.szyprowski@...sung.com, s.nawrocki@...sung.com,
        myungjoo.ham@...sung.com, Lukasz Luba <l.luba@...tner.samsung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 6/8] DT: arm: exynos: add DMC device for exynos5422

Add description of Dynamic Memory Controller and PPMU counters.
They are used by exynos5422-dmc driver.

CC: Rob Herring <robh+dt@...nel.org>
CC: Mark Rutland <mark.rutland@....com>
CC: Kukjin Kim <kgene@...nel.org>
CC: Krzysztof Kozlowski <krzk@...nel.org>
CC: devicetree@...r.kernel.org
CC: linux-arm-kernel@...ts.infradead.org
CC: linux-samsung-soc@...r.kernel.org
CC: linux-kernel@...r.kernel.org
Signed-off-by: Lukasz Luba <l.luba@...tner.samsung.com>
---
 arch/arm/boot/dts/exynos5420.dtsi             | 69 +++++++++++++++++++++++++++
 arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 22 +++++++++
 2 files changed, 91 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index aaff158..4d76335 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -235,6 +235,27 @@
 			status = "disabled";
 		};
 
+		dmc: memory-controller@...20000 {
+			compatible = "samsung,exynos5422-dmc";
+			reg = <0x10c20000 0x10000>, <0x10c30000 0x10000>,
+				<0x10030000 0x1000>, <0x10000000 0x1000>;
+			clocks = <&clock CLK_FOUT_SPLL>,
+				<&clock CLK_MOUT_SCLK_SPLL>,
+				<&clock CLK_FF_DOUT_SPLL2>,
+				<&clock CLK_FOUT_BPLL>,	<&clock CLK_MOUT_BPLL>,
+				<&clock CLK_SCLK_BPLL>,
+				<&clock CLK_MOUT_MX_MSPLL_CCORE>,
+				<&clock CLK_MOUT_MX_MSPLL_CCORE_PHY>,
+				<&clock CLK_MOUT_MCLK_CDREX>,
+				<&clock CLK_DOUT_CLK2X_PHY0>,
+				<&clock CLK_CLKM_PHY0>,	<&clock CLK_CLKM_PHY1>;
+			clock-names = "fout_spll", "mout_sclk_spll",
+				"ff_dout_spll2", "fout_bpll", "mout_bpll",
+				"sclk_bpll", "mout_mx_mspll_ccore",
+				"mout_mx_mspll_ccore_phy", "mout_mclk_cdrex",
+				"dout_clk2x_phy0", "clkm_phy0", "clkm_phy1";
+		};
+
 		nocp_mem0_0: nocp@...a1000 {
 			compatible = "samsung,exynos5420-nocp";
 			reg = <0x10CA1000 0x200>;
@@ -271,6 +292,54 @@
 			status = "disabled";
 		};
 
+		ppmu_dmc0_0: ppmu@...00000 {
+			compatible = "samsung,exynos-ppmu";
+			reg = <0x10d00000 0x2000>;
+			clocks = <&clock CLK_PCLK_PPMU_DREX0_0>;
+			clock-names = "ppmu";
+			events {
+				ppmu_event_dmc0_0: ppmu-event3-dmc0_0 {
+					event-name = "ppmu-event3-dmc0_0";
+				};
+			};
+		};
+
+		ppmu_dmc0_1: ppmu@...10000 {
+			compatible = "samsung,exynos-ppmu";
+			reg = <0x10d10000 0x2000>;
+			clocks = <&clock CLK_PCLK_PPMU_DREX0_1>;
+			clock-names = "ppmu";
+			events {
+				ppmu_event_dmc0_1: ppmu-event3-dmc0_1 {
+					event-name = "ppmu-event3-dmc0_1";
+				};
+			};
+		};
+
+		ppmu_dmc1_0: ppmu@...10000 {
+			compatible = "samsung,exynos-ppmu";
+			reg = <0x10d60000 0x2000>;
+			clocks = <&clock CLK_PCLK_PPMU_DREX1_0>;
+			clock-names = "ppmu";
+			events {
+				ppmu_event_dmc1_0: ppmu-event3-dmc1_0 {
+					event-name = "ppmu-event3-dmc1_0";
+				};
+			};
+		};
+
+		ppmu_dmc1_1: ppmu@...70000 {
+			compatible = "samsung,exynos-ppmu";
+			reg = <0x10d70000 0x2000>;
+			clocks = <&clock CLK_PCLK_PPMU_DREX1_1>;
+			clock-names = "ppmu";
+			events {
+				ppmu_event_dmc1_1: ppmu-event3-dmc1_1 {
+					event-name = "ppmu-event3-dmc1_1";
+				};
+			};
+		};
+
 		gsc_pd: power-domain@...44000 {
 			compatible = "samsung,exynos4210-pd";
 			reg = <0x10044000 0x20>;
diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
index bf09eab..e2b59e9 100644
--- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
@@ -127,6 +127,12 @@
 	cpu-supply = <&buck2_reg>;
 };
 
+&dmc {
+	devfreq-events = <&ppmu_dmc0_0>, <&ppmu_dmc0_1>,
+			<&ppmu_dmc1_0>, <&ppmu_dmc1_1>;
+	status = "okay";
+};
+
 &hsi2c_4 {
 	status = "okay";
 
@@ -535,6 +541,22 @@
 	};
 };
 
+&ppmu_dmc0_0 {
+	status = "okay";
+};
+
+&ppmu_dmc0_1 {
+	status = "okay";
+};
+
+&ppmu_dmc1_0 {
+	status = "okay";
+};
+
+&ppmu_dmc1_1 {
+	status = "okay";
+};
+
 &tmu_cpu0 {
 	vtmu-supply = <&ldo7_reg>;
 };
-- 
2.7.4