ARM: tegra: Add OPP tables and power domains to Tegra20 device-trees

Add OPP tables and power domains to all peripheral devices which
support power management on Tegra20 SoC.

Tested-by: Paul Fertser <fercerpav@gmail.com> # PAZ00 T20
Tested-by: Nicolas Chauvet <kwizart@gmail.com> # PAZ00 T20
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 101 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 6f493a8a8a9f..45fe111705af 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -42,6 +42,8 @@
 		clock-names = "host1x";
 		resets = <&tegra_car 28>;
 		reset-names = "host1x";
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&host1x_dvfs_opp_table>;
 
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -55,6 +57,8 @@
 			clocks = <&tegra_car TEGRA20_CLK_MPE>;
 			resets = <&tegra_car 60>;
 			reset-names = "mpe";
+			power-domains = <&pd_mpe>;
+			operating-points-v2 = <&mpe_dvfs_opp_table>;
 		};
 
 		vi@54080000 {
@@ -64,6 +68,8 @@
 			clocks = <&tegra_car TEGRA20_CLK_VI>;
 			resets = <&tegra_car 20>;
 			reset-names = "vi";
+			power-domains = <&pd_venc>;
+			operating-points-v2 = <&vi_dvfs_opp_table>;
 		};
 
 		epp@540c0000 {
@@ -73,6 +79,8 @@
 			clocks = <&tegra_car TEGRA20_CLK_EPP>;
 			resets = <&tegra_car 19>;
 			reset-names = "epp";
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&epp_dvfs_opp_table>;
 		};
 
 		isp@54100000 {
@@ -82,6 +90,7 @@
 			clocks = <&tegra_car TEGRA20_CLK_ISP>;
 			resets = <&tegra_car 23>;
 			reset-names = "isp";
+			power-domains = <&pd_venc>;
 		};
 
 		gr2d@54140000 {
@@ -91,6 +100,8 @@
 			clocks = <&tegra_car TEGRA20_CLK_GR2D>;
 			resets = <&tegra_car 21>;
 			reset-names = "2d";
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&gr2d_dvfs_opp_table>;
 		};
 
 		gr3d@54180000 {
@@ -99,6 +110,8 @@
 			clocks = <&tegra_car TEGRA20_CLK_GR3D>;
 			resets = <&tegra_car 24>;
 			reset-names = "3d";
+			power-domains = <&pd_3d>;
+			operating-points-v2 = <&gr3d_dvfs_opp_table>;
 		};
 
 		dc@54200000 {
@@ -110,6 +123,8 @@
 			clock-names = "dc", "parent";
 			resets = <&tegra_car 27>;
 			reset-names = "dc";
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&disp1_dvfs_opp_table>;
 
 			nvidia,head = <0>;
 
@@ -138,6 +153,8 @@
 			clock-names = "dc", "parent";
 			resets = <&tegra_car 26>;
 			reset-names = "dc";
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&disp2_dvfs_opp_table>;
 
 			nvidia,head = <1>;
 
@@ -166,6 +183,8 @@
 			clock-names = "hdmi", "parent";
 			resets = <&tegra_car 51>;
 			reset-names = "hdmi";
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&hdmi_dvfs_opp_table>;
 			status = "disabled";
 		};
 
@@ -174,6 +193,8 @@
 			reg = <0x542c0000 0x00040000>;
 			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&tegra_car TEGRA20_CLK_TVO>;
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&tvo_dvfs_opp_table>;
 			status = "disabled";
 		};
 
@@ -185,6 +206,8 @@
 			clock-names = "dsi", "parent";
 			resets = <&tegra_car 48>;
 			reset-names = "dsi";
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&dsi_dvfs_opp_table>;
 			status = "disabled";
 		};
 	};
@@ -242,6 +265,13 @@
 		reg = <0x60006000 0x1000>;
 		#clock-cells = <1>;
 		#reset-cells = <1>;
+
+		sclk {
+			compatible = "nvidia,tegra20-sclk";
+			clocks = <&tegra_car TEGRA20_CLK_SCLK>;
+			power-domains = <&pd_core>;
+			operating-points-v2 = <&sclk_dvfs_opp_table>;
+		};
 	};
 
 	flow-controller@60007000 {
@@ -319,6 +349,8 @@
 		clocks = <&tegra_car TEGRA20_CLK_VDE>;
 		reset-names = "vde", "mc";
 		resets = <&tegra_car 61>, <&mc TEGRA20_MC_RESET_VDE>;
+		power-domains = <&pd_vde>;
+		operating-points-v2 = <&vde_dvfs_opp_table>;
 	};
 
 	apbmisc@70000800 {
@@ -460,6 +492,8 @@
 		reset-names = "nand";
 		assigned-clocks = <&tegra_car TEGRA20_CLK_NDFLASH>;
 		assigned-clock-rates = <150000000>;
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&ndflash_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -473,6 +507,8 @@
 		clock-names = "gmi";
 		resets = <&tegra_car 42>;
 		reset-names = "gmi";
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&nor_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -643,6 +679,52 @@
 		clocks = <&tegra_car TEGRA20_CLK_PCLK>, <&clk32k_in>;
 		clock-names = "pclk", "clk32k_in";
 		#clock-cells = <1>;
+
+		pd_core: core-domain {
+			#power-domain-cells = <0>;
+			operating-points-v2 = <&core_opp_table>;
+		};
+
+		powergates {
+			pd_3d: td {
+				clocks = <&tegra_car TEGRA20_CLK_GR3D>;
+				resets = <&mc TEGRA20_MC_RESET_3D>,
+					 <&tegra_car TEGRA20_CLK_GR3D>;
+				power-domains = <&pd_core>;
+				#power-domain-cells = <0>;
+			};
+
+			pd_venc: venc {
+				clocks = <&tegra_car TEGRA20_CLK_ISP>,
+					 <&tegra_car TEGRA20_CLK_VI>,
+					 <&tegra_car TEGRA20_CLK_CSI>;
+				resets = <&mc TEGRA20_MC_RESET_ISP>,
+					 <&mc TEGRA20_MC_RESET_VI>,
+					 <&tegra_car TEGRA20_CLK_ISP>,
+					 <&tegra_car 20 /* VI */>,
+					 <&tegra_car TEGRA20_CLK_CSI>;
+				power-domains = <&pd_core>;
+				#power-domain-cells = <0>;
+			};
+
+			pd_vde: vdec {
+				clocks = <&tegra_car TEGRA20_CLK_VDE>;
+				resets = <&mc TEGRA20_MC_RESET_VDE>,
+					 <&tegra_car TEGRA20_CLK_VDE>;
+				power-domains = <&pd_core>;
+				#power-domain-cells = <0>;
+			};
+
+			pd_mpe: mpe {
+				clocks = <&tegra_car TEGRA20_CLK_MPE>;
+				resets = <&mc TEGRA20_MC_RESET_MPEA>,
+					 <&mc TEGRA20_MC_RESET_MPEB>,
+					 <&mc TEGRA20_MC_RESET_MPEC>,
+					 <&tegra_car TEGRA20_CLK_MPE>;
+				power-domains = <&pd_core>;
+				#power-domain-cells = <0>;
+			};
+		};
 	};
 
 	mc: memory-controller@7000f000 {
@@ -662,12 +744,13 @@
 		reg = <0x7000f400 0x400>;
 		interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&tegra_car TEGRA20_CLK_EMC>;
+		power-domains = <&pd_core>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		#interconnect-cells = <0>;
 
-		operating-points-v2 = <&emc_icc_dvfs_opp_table>;
 		nvidia,memory-controller = <&mc>;
+		operating-points-v2 = <&emc_icc_dvfs_opp_table>;
 	};
 
 	fuse@7000f800 {
@@ -712,6 +795,9 @@
 			 <&tegra_car 72>,
 			 <&tegra_car 74>;
 		reset-names = "pex", "afi", "pcie_x";
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&pcie_dvfs_opp_table>;
+
 		status = "disabled";
 
 		pci@1,0 {
@@ -753,6 +839,8 @@
 		reset-names = "usb";
 		nvidia,needs-double-reset;
 		nvidia,phy = <&phy1>;
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&usbd_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -792,6 +880,8 @@
 		resets = <&tegra_car 58>;
 		reset-names = "usb";
 		nvidia,phy = <&phy2>;
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&usb2_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -820,6 +910,8 @@
 		resets = <&tegra_car 59>;
 		reset-names = "usb";
 		nvidia,phy = <&phy3>;
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&usb3_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -856,6 +948,8 @@
 		clock-names = "sdhci";
 		resets = <&tegra_car 14>;
 		reset-names = "sdhci";
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&sdmmc1_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -867,6 +961,8 @@
 		clock-names = "sdhci";
 		resets = <&tegra_car 9>;
 		reset-names = "sdhci";
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&sdmmc2_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -878,6 +974,8 @@
 		clock-names = "sdhci";
 		resets = <&tegra_car 69>;
 		reset-names = "sdhci";
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&sdmmc3_dvfs_opp_table>;
 		status = "disabled";
 	};
 
@@ -889,6 +987,8 @@
 		clock-names = "sdhci";
 		resets = <&tegra_car 15>;
 		reset-names = "sdhci";
+		power-domains = <&pd_core>;
+		operating-points-v2 = <&sdmmc4_dvfs_opp_table>;
 		status = "disabled";
 	};