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From:   Lukasz Luba <l.luba@partner.samsung.com>
To:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org
Cc:     b.zolnierkie@samsung.com, krzk@kernel.org, kgene@kernel.org,
        cw00.choi@samsung.com, kyungmin.park@samsung.com,
        m.szyprowski@samsung.com, s.nawrocki@samsung.com,
        myungjoo.ham@samsung.com, Lukasz Luba <l.luba@partner.samsung.com>
Subject: [PATCH v5 6/8] DT: arm: exynos: add DMC device for exynos5422
Date:   Tue,  5 Mar 2019 11:19:09 +0100
Message-Id: <1551781151-5562-7-git-send-email-l.luba@partner.samsung.com>
In-Reply-To: <1551781151-5562-1-git-send-email-l.luba@partner.samsung.com>
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References: <1551781151-5562-1-git-send-email-l.luba@partner.samsung.com>
        <CGME20190305101927eucas1p250bbcbccb43590edd2b9ccf06cce2023@eucas1p2.samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
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Add description of Dynamic Memory Controller and PPMU counters.
They are used by exynos5422-dmc driver.

Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
---
 arch/arm/boot/dts/exynos5420.dtsi             | 83 +++++++++++++++++++++++++
 arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 87 +++++++++++++++++++++++++++
 2 files changed, 170 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index aaff158..fc00fda 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -235,6 +235,41 @@
 			status = "disabled";
 		};
 
+		dmc: memory-controller@10c20000 {
+			compatible = "samsung,exynos5422-dmc";
+			reg = <0x10c20000 0x10000>, <0x10c30000 0x10000>,
+				<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 CLK_CDREX_PAUSE>,
+				 <&clock CLK_CDREX_TIMING_SET>;
+			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",
+				      "clk_cdrex_pause",
+				      "clk_cdrex_timing_set";
+			status = "disabled";
+		};
+
 		nocp_mem0_0: nocp@10ca1000 {
 			compatible = "samsung,exynos5420-nocp";
 			reg = <0x10CA1000 0x200>;
@@ -271,6 +306,54 @@
 			status = "disabled";
 		};
 
+		ppmu_dmc0_0: ppmu@10d00000 {
+			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@10d10000 {
+			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@10d10000 {
+			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@10d70000 {
+			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@10044000 {
 			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..6b28fb3 100644
--- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
@@ -34,6 +34,69 @@
 			clock-frequency = <24000000>;
 		};
 	};
+
+	dmc_opp_table: opp_table2 {
+		compatible = "operating-points-v2";
+
+		opp00 {
+			opp-hz = /bits/ 64 <165000000>;
+			opp-microvolt = <875000>;
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <206000000>;
+			opp-microvolt = <875000>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <275000000>;
+			opp-microvolt = <875000>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <413000000>;
+			opp-microvolt = <887500>;
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <543000000>;
+			opp-microvolt = <937500>;
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <633000000>;
+			opp-microvolt = <1012500>;
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <728000000>;
+			opp-microvolt = <1037500>;
+		};
+		opp07 {
+			opp-hz = /bits/ 64 <825000000>;
+			opp-microvolt = <1050000>;
+		};
+	};
+
+	dmc_bypass_mode: bypass_mode {
+		compatible = "samsung,dmc-bypass-mode";
+
+		freq-hz = <400000000>;
+		volt-uv = <887500>;
+		dram-timing-row = <0x365a9713>;
+		dram-timing-data = <0x4740085e>;
+		dram-timing-power = <0x543a0446>;
+	};
+
+	dram_timing: timing {
+		compatible = "samsung,dram-timing";
+
+		dram-timing-names = "165MHz", "206MHz", "275MHz", "413MHz",
+				    "543MHz", "633MHz", "728MHz", "825MHz";
+		dram-timing-row = <0x11223185>, <0x112331C6>, <0x12244287>,
+				  <0x1B35538A>, <0x244764CD>, <0x2A48758F>,
+				  <0x30598651>, <0x365A9713>;
+		dram-timing-data = <0x2720085E>, <0x2720085E>, <0x2720085E>,
+				   <0x2720085E>, <0x3730085E>, <0x3730085E>,
+				   <0x3730085E>, <0x4740085E>;
+		dram-timing-power = <0x140C0225>, <0x180F0225>, <0x1C140225>,
+				    <0x2C1D0225>, <0x38270335>, <0x402D0335>,
+				    <0x4C330336>, <0x543A0446>;
+	};
 };
 
 &bus_wcore {
@@ -127,6 +190,14 @@
 	cpu-supply = <&buck2_reg>;
 };
 
+&dmc {
+	devfreq-events = <&ppmu_dmc0_0>, <&ppmu_dmc0_1>,
+			<&ppmu_dmc1_0>, <&ppmu_dmc1_1>;
+
+	operating-points-v2 = <&dmc_opp_table>;
+	status = "okay";
+};
+
 &hsi2c_4 {
 	status = "okay";
 
@@ -535,6 +606,22 @@
 	};
 };
 
+&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