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Commit 3cfee0aa authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Kumar Gala
Browse files

powerpc/85xx: Add power management support for MPC85xxMDS boards 



- Add power management controller nodes;
- Add interrupts for RTC nodes, the RTC interrupt may be used as a
  wakeup source;
- Add sleep properties (DEVDISR bit mask) and sleep-nexus nodes.

Signed-off-by: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: default avatarScott Wood <scottwood@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 4ffd6952

arch/powerpc/boot/dts/mpc8568mds.dts

+79 −40
Original line number Diff line number Diff line
@@ -40,6 +40,8 @@ 
			i-cache-line-size = <32>;	// 32 bytes

			d-cache-size = <0x8000>;		// L1, 32K

			i-cache-size = <0x8000>;		// L1, 32K

			sleep = <&pmc 0x00008000	// core

				 &pmc 0x00004000>;	// timebase

			timebase-frequency = <0>;

			bus-frequency = <0>;

			clock-frequency = <0>;
@@ -94,6 +96,13 @@ 
			interrupts = <16 2>;

		};



		i2c-sleep-nexus {

			#address-cells = <1>;

			#size-cells = <1>;

			compatible = "simple-bus";

			sleep = <&pmc 0x00000004>;

			ranges;



			i2c@3000 {

				#address-cells = <1>;

				#size-cells = <0>;
@@ -107,6 +116,8 @@ 
				rtc@68 {

					compatible = "dallas,ds1374";

					reg = <0x68>;

					interrupts = <3 1>;

					interrupt-parent = <&mpic>;

				};

			};
@@ -120,6 +131,7 @@ 
				interrupt-parent = <&mpic>;

				dfsrr;

			};

		};



		dma@21300 {

			#address-cells = <1>;
@@ -128,6 +140,8 @@ 
			reg = <0x21300 0x4>;

			ranges = <0x0 0x21100 0x200>;

			cell-index = <0>;

			sleep = <&pmc 0x00000400>;



			dma-channel@0 {

				compatible = "fsl,mpc8568-dma-channel",

						"fsl,eloplus-dma-channel";
@@ -176,6 +190,7 @@ 
			interrupt-parent = <&mpic>;

			tbi-handle = <&tbi0>;

			phy-handle = <&phy2>;

			sleep = <&pmc 0x00000080>;



			mdio@520 {

				#address-cells = <1>;
@@ -228,6 +243,7 @@ 
			interrupt-parent = <&mpic>;

			tbi-handle = <&tbi1>;

			phy-handle = <&phy3>;

			sleep = <&pmc 0x00000040>;



			mdio@520 {

				#address-cells = <1>;
@@ -242,6 +258,13 @@ 
			};

		};



		duart-sleep-nexus {

			#address-cells = <1>;

			#size-cells = <1>;

			compatible = "simple-bus";

			sleep = <&pmc 0x00000002>;

			ranges;



			serial0: serial@4500 {

				cell-index = <0>;

				device_type = "serial";
@@ -252,12 +275,6 @@ 
				interrupt-parent = <&mpic>;

			};



		global-utilities@e0000 {	//global utilities block

			compatible = "fsl,mpc8548-guts";

			reg = <0xe0000 0x1000>;

			fsl,has-rstcr;

		};



			serial1: serial@4600 {

				cell-index = <1>;

				device_type = "serial";
@@ -267,6 +284,22 @@ 
				interrupts = <42 2>;

				interrupt-parent = <&mpic>;

			};

		};



		global-utilities@e0000 {

			#address-cells = <1>;

			#size-cells = <1>;

			compatible = "fsl,mpc8568-guts", "fsl,mpc8548-guts";

			reg = <0xe0000 0x1000>;

			ranges = <0 0xe0000 0x1000>;

			fsl,has-rstcr;



			pmc: power@70 {

				compatible = "fsl,mpc8568-pmc",

					     "fsl,mpc8548-pmc";

				reg = <0x70 0x20>;

			};

		};



		crypto@30000 {

			compatible = "fsl,sec2.1", "fsl,sec2.0";
@@ -277,6 +310,7 @@ 
			fsl,channel-fifo-len = <24>;

			fsl,exec-units-mask = <0xfe>;

			fsl,descriptor-types-mask = <0x12b0ebf>;

			sleep = <&pmc 0x01000000>;

		};



		mpic: pic@40000 {
@@ -376,6 +410,7 @@ 
		compatible = "fsl,qe";

		ranges = <0x0 0xe0080000 0x40000>;

		reg = <0xe0080000 0x480>;

		sleep = <&pmc 0x00000800>;

		brg-frequency = <0>;

		bus-frequency = <396000000>;

		fsl,qe-num-riscs = <2>;
@@ -509,6 +544,7 @@ 
		bus-range = <0 255>;

		ranges = <0x2000000 0x0 0x80000000 0x80000000 0x0 0x20000000

			  0x1000000 0x0 0x0 0xe2000000 0x0 0x800000>;

		sleep = <&pmc 0x80000000>;

		clock-frequency = <66666666>;

		#interrupt-cells = <1>;

		#size-cells = <2>;
@@ -534,6 +570,7 @@ 
		bus-range = <0 255>;

		ranges = <0x2000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000

			  0x1000000 0x0 0x0 0xe2800000 0x0 0x800000>;

		sleep = <&pmc 0x20000000>;

		clock-frequency = <33333333>;

		#interrupt-cells = <1>;

		#size-cells = <2>;
@@ -570,5 +607,7 @@ 
			      55 2 /* msg2_tx   */

			      56 2 /* msg2_rx   */>;

		interrupt-parent = <&mpic>;

		sleep = <&pmc 0x00080000   /* controller */

			 &pmc 0x00040000>; /* message unit */

	};

};

arch/powerpc/boot/dts/mpc8569mds.dts

+73 −38
Original line number Diff line number Diff line
@@ -41,6 +41,8 @@ 
			i-cache-line-size = <32>;	// 32 bytes

			d-cache-size = <0x8000>;		// L1, 32K

			i-cache-size = <0x8000>;		// L1, 32K

			sleep = <&pmc 0x00008000	// core

				 &pmc 0x00004000>;	// timebase

			timebase-frequency = <0>;

			bus-frequency = <0>;

			clock-frequency = <0>;
@@ -59,6 +61,7 @@ 
		reg = <0xe0005000 0x1000>;

		interrupts = <19 2>;

		interrupt-parent = <&mpic>;

		sleep = <&pmc 0x08000000>;



		ranges = <0x0 0x0 0xfe000000 0x02000000

			  0x1 0x0 0xf8000000 0x00008000
@@ -158,6 +161,13 @@ 
			interrupts = <18 2>;

		};



		i2c-sleep-nexus {

			#address-cells = <1>;

			#size-cells = <1>;

			compatible = "simple-bus";

			sleep = <&pmc 0x00000004>;

			ranges;



			i2c@3000 {

				#address-cells = <1>;

				#size-cells = <0>;
@@ -171,6 +181,8 @@ 
				rtc@68 {

					compatible = "dallas,ds1374";

					reg = <0x68>;

					interrupts = <3 1>;

					interrupt-parent = <&mpic>;

				};

			};
@@ -184,6 +196,14 @@ 
				interrupt-parent = <&mpic>;

				dfsrr;

			};

		};



		duart-sleep-nexus {

			#address-cells = <1>;

			#size-cells = <1>;

			compatible = "simple-bus";

			sleep = <&pmc 0x00000002>;

			ranges;



			serial0: serial@4500 {

				cell-index = <0>;
@@ -204,6 +224,7 @@ 
				interrupts = <42 2>;

				interrupt-parent = <&mpic>;

			};

		};



		L2: l2-cache-controller@20000 {

			compatible = "fsl,mpc8569-l2-cache-controller";
@@ -260,6 +281,7 @@ 
			reg = <0x2e000 0x1000>;

			interrupts = <72 0x8>;

			interrupt-parent = <&mpic>;

			sleep = <&pmc 0x00200000>;

			/* Filled in by U-Boot */

			clock-frequency = <0>;

			status = "disabled";
@@ -276,6 +298,7 @@ 
			fsl,channel-fifo-len = <24>;

			fsl,exec-units-mask = <0xbfe>;

			fsl,descriptor-types-mask = <0x3ab0ebf>;

			sleep = <&pmc 0x01000000>;

		};



		mpic: pic@40000 {
@@ -304,9 +327,18 @@ 
		};



		global-utilities@e0000 {

			compatible = "fsl,mpc8569-guts";

			#address-cells = <1>;

			#size-cells = <1>;

			compatible = "fsl,mpc8569-guts", "fsl,mpc8548-guts";

			reg = <0xe0000 0x1000>;

			ranges = <0 0xe0000 0x1000>;

			fsl,has-rstcr;



			pmc: power@70 {

				compatible = "fsl,mpc8569-pmc",

					     "fsl,mpc8548-pmc";

				reg = <0x70 0x20>;

			};

		};



		par_io@e0100 {
@@ -422,6 +454,7 @@ 
		compatible = "fsl,qe";

		ranges = <0x0 0xe0080000 0x40000>;

		reg = <0xe0080000 0x480>;

		sleep = <&pmc 0x00000800>;

		brg-frequency = <0>;

		bus-frequency = <0>;

		fsl,qe-num-riscs = <4>;
@@ -684,6 +717,7 @@ 
		bus-range = <0 255>;

		ranges = <0x2000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000

			  0x1000000 0x0 0x00000000 0xe2800000 0x0 0x00800000>;

		sleep = <&pmc 0x20000000>;

		clock-frequency = <33333333>;

		pcie@0 {

			reg = <0x0 0x0 0x0 0x0 0x0>;
@@ -714,5 +748,6 @@ 
			      55 2 /* msg2_tx   */

			      56 2 /* msg2_rx   */>;

		interrupt-parent = <&mpic>;

		sleep = <&pmc 0x00080000>;

	};

};

arch/powerpc/platforms/85xx/mpc85xx_mds.c

+1 −0
Original line number Diff line number Diff line
@@ -301,6 +301,7 @@ static struct of_device_id mpc85xx_ids[] = { 
	{ .compatible = "fsl,qe", },

	{ .compatible = "gianfar", },

	{ .compatible = "fsl,rapidio-delta", },

	{ .compatible = "fsl,mpc8548-guts", },

	{},

};