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Date: Tue, 5 Mar 2019 11:19:09 +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>
Subject: [PATCH v5 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.
Signed-off-by: Lukasz Luba <l.luba@...tner.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@...20000 {
+ 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@...a1000 {
compatible = "samsung,exynos5420-nocp";
reg = <0x10CA1000 0x200>;
@@ -271,6 +306,54 @@
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..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
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