Keystone DTS updates for 3.14

- ddr3 pll clock node typo fixup. - EVM specific clock setting with board k2hk-evm.dts. - GIC node updates for missing virtualisation info. - Adding USB dwc3 and phy nodes. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJSr2ydAAoJEHJsHOdBp5c/2NcQAIlwONuPEA/TuBPZeKR98HT0 RECH9OdorSSUOsx6trYN+UA5hMB/gMZfioO018rZxluQynoV5q6tdFZk/LtwjvkV 0kwX7VakAZNXEphS9382SzPMoYXOuSEejC1zeNuJmHSMGwGOtPKNcBs2rAsC/xwo 9ZeJ0hzwHCWnTBPCZmjg1R2zU796CIiPMVAhVu4KidWsfceob+dg38dMSA/BBshP cSusOeHcVcBMycgFgtqCOlNbVtBS51H39d2VLGJ9rHxOuqiNBCfUzUFCXGXrzIWd US9Nsce7VmMjkj9Tvm0bpR28BmU+xNrUM+IyfzncBRtQEJarhmnQo91eU63+P5I5 F2P2JAWI77ikif98uOmswFBFNqJoxd4IYEzenbq4HUzGe3lzYzEtiFttq0XegRIt FKbgkYQSsXFgRDDqNc7gDRGx6xZboSYjZlXnWUhxTEp/+1UnLty99Vk6reRj6lpN eQ2tQWnuGj9ymL+ekNfxa7qCR4lDMLhytK51tsRN8AZgRoohwB/4rnTP9yJPfuIo ktrIMsBzjkqljl2lYy2wCvmADzjv7FS16H9O2PG7MBtTiTUwOfgjy1d7sPvJxbLX 3xpbsEpZYnOebjj9Z51VeG+RDCY4YcAQf7Y1OFpJ/j79h8Jq4VuIHMXHw1TffJee CAycXZLPd6R/aN78IKAV =vJvA -----END PGP SIGNATURE----- Merge tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/dt Keystone DTS updates for 3.14 - ddr3 pll clock node typo fixup. - EVM specific clock setting with board k2hk-evm.dts. - GIC node updates for missing virtualisation info. - Adding USB dwc3 and phy nodes. * tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone: ARM: dts: keystone: Add usb devicetree bindings ARM: dts: keystone: Add usb phy devicetree bindings ARM: dts: keystone: Add guestos maintenance interrupt ARM: dts: keystone: Add the GICV and GICH address space ARM: keystone: dts: add paclk divider clock node ARM: keystone: dts: fix typo in the ddr3 pllclk node name ARM: keystone: dts: add a k2hk-evm specific dts file Signed-off-by: Kevin Hilman <khilman@linaro.org>
2024-12-14 12:49:08 +00:00 · 2013-12-20 07:25:39 -08:00 · 2013-12-20 07:25:39 -08:00 · 84dac16a3b
commit 84dac16a3b
parent 939ac3cd06 732079567d
5 changed files with 174 additions and 22 deletions
--- a/Documentation/devicetree/bindings/usb/keystone-phy.txt
+++ b/Documentation/devicetree/bindings/usb/keystone-phy.txt
@ -0,0 +1,20 @@
+TI Keystone USB PHY
+
+Required properties:
+ - compatible: should be "ti,keystone-usbphy".
+ - #address-cells, #size-cells : should be '1' if the device has sub-nodes
+   with 'reg' property.
+ - reg : Address and length of the usb phy control register set.
+
+The main purpose of this PHY driver is to enable the USB PHY reference clock
+gate on the Keystone SOC for both the USB2 and USB3 PHY. Otherwise it is just
+an NOP PHY driver.  Hence this node is referenced as both the usb2 and usb3
+phy node in the USB Glue layer driver node.
+
+usb_phy: usb_phy@2620738 {
+	compatible = "ti,keystone-usbphy";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	reg = <0x2620738 32>;
+	status = "disabled";
+};
--- a/Documentation/devicetree/bindings/usb/keystone-usb.txt
+++ b/Documentation/devicetree/bindings/usb/keystone-usb.txt
@ -0,0 +1,42 @@
+TI Keystone Soc USB Controller
+
+DWC3 GLUE
+
+Required properties:
+ - compatible: should be "ti,keystone-dwc3".
+ - #address-cells, #size-cells : should be '1' if the device has sub-nodes
+   with 'reg' property.
+ - reg : Address and length of the register set for the USB subsystem on
+   the SOC.
+ - interrupts : The irq number of this device that is used to interrupt the
+   MPU.
+ - ranges: allows valid 1:1 translation between child's address space and
+   parent's address space.
+ - clocks: Clock IDs array as required by the controller.
+ - clock-names: names of clocks correseponding to IDs in the clock property.
+
+Sub-nodes:
+The dwc3 core should be added as subnode to Keystone DWC3 glue.
+- dwc3 :
+   The binding details of dwc3 can be found in:
+   Documentation/devicetree/bindings/usb/dwc3.txt
+
+Example:
+	usb: usb@2680000 {
+		compatible = "ti,keystone-dwc3";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x2680000 0x10000>;
+		clocks = <&clkusb>;
+		clock-names = "usb";
+		interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
+		ranges;
+		status = "disabled";
+
+		dwc3@2690000 {
+			compatible = "synopsys,dwc3";
+			reg = <0x2690000 0x70000>;
+			interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
+			usb-phy = <&usb_phy>, <&usb_phy>;
+		};
+	};
--- a/arch/arm/boot/dts/k2hk-evm.dts
+++ b/arch/arm/boot/dts/k2hk-evm.dts
@ -0,0 +1,63 @@
+/*
+ * Copyright 2013 Texas Instruments, Inc.
+ *
+ * Keystone 2 Kepler/Hawking EVM device tree
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+/dts-v1/;
+
+#include "keystone.dtsi"
+
+/ {
+	compatible =  "ti,keystone-evm";
+
+	soc {
+		clock {
+			refclksys: refclksys {
+				#clock-cells = <0>;
+				compatible = "fixed-clock";
+				clock-frequency = <122880000>;
+				clock-output-names = "refclk-sys";
+			};
+
+			refclkpass: refclkpass {
+				#clock-cells = <0>;
+				compatible = "fixed-clock";
+				clock-frequency = <122880000>;
+				clock-output-names = "refclk-pass";
+			};
+
+			refclkarm: refclkarm {
+				#clock-cells = <0>;
+				compatible = "fixed-clock";
+				clock-frequency = <125000000>;
+				clock-output-names = "refclk-arm";
+			};
+
+			refclkddr3a: refclkddr3a {
+				#clock-cells = <0>;
+				compatible = "fixed-clock";
+				clock-frequency = <100000000>;
+				clock-output-names = "refclk-ddr3a";
+			};
+
+			refclkddr3b: refclkddr3b {
+				#clock-cells = <0>;
+				compatible = "fixed-clock";
+				clock-frequency = <100000000>;
+				clock-output-names = "refclk-ddr3b";
+			};
+		};
+	};
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&usb {
+	status = "okay";
+};
--- a/arch/arm/boot/dts/keystone-clocks.dtsi
+++ b/arch/arm/boot/dts/keystone-clocks.dtsi
@ -13,17 +13,10 @@ clocks {
 	#size-cells = <1>;
 	ranges;

-	refclkmain: refclkmain {
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <122880000>;
-		clock-output-names = "refclk-main";
-	};
-
 	mainpllclk: mainpllclk@2310110 {
 		#clock-cells = <0>;
 		compatible = "ti,keystone,main-pll-clock";
-		clocks = <&refclkmain>;
+		clocks = <&refclksys>;
 		reg = <0x02620350 4>, <0x02310110 4>;
 		reg-names = "control", "multiplier";
 		fixed-postdiv = <2>;
@ -32,47 +25,43 @@ clocks {
 	papllclk: papllclk@2620358 {
 		#clock-cells = <0>;
 		compatible = "ti,keystone,pll-clock";
-		clocks = <&refclkmain>;
+		clocks = <&refclkpass>;
 		clock-output-names = "pa-pll-clk";
 		reg = <0x02620358 4>;
 		reg-names = "control";
-		fixed-postdiv = <6>;
 	};

-	ddr3allclk: ddr3apllclk@2620360 {
+	ddr3apllclk: ddr3apllclk@2620360 {
 		#clock-cells = <0>;
 		compatible = "ti,keystone,pll-clock";
-		clocks = <&refclkmain>;
+		clocks = <&refclkddr3a>;
 		clock-output-names = "ddr-3a-pll-clk";
 		reg = <0x02620360 4>;
 		reg-names = "control";
-		fixed-postdiv = <6>;
 	};

-	ddr3bllclk: ddr3bpllclk@2620368 {
+	ddr3bpllclk: ddr3bpllclk@2620368 {
 		#clock-cells = <0>;
 		compatible = "ti,keystone,pll-clock";
-		clocks = <&refclkmain>;
+		clocks = <&refclkddr3b>;
 		clock-output-names = "ddr-3b-pll-clk";
 		reg = <0x02620368 4>;
 		reg-names = "control";
-		fixed-postdiv = <6>;
 	};

 	armpllclk: armpllclk@2620370 {
 		#clock-cells = <0>;
 		compatible = "ti,keystone,pll-clock";
-		clocks = <&refclkmain>;
+		clocks = <&refclkarm>;
 		clock-output-names = "arm-pll-clk";
 		reg = <0x02620370 4>;
 		reg-names = "control";
-		fixed-postdiv = <6>;
 	};

 	mainmuxclk: mainmuxclk@2310108 {
 		#clock-cells = <0>;
 		compatible = "ti,keystone,pll-mux-clock";
-		clocks = <&mainpllclk>, <&refclkmain>;
+		clocks = <&mainpllclk>, <&refclksys>;
 		reg = <0x02310108 4>;
 		bit-shift = <23>;
 		bit-mask = <1>;
@ -135,6 +124,15 @@ clocks {
 		clock-output-names = "chipclk13";
 	};

+	paclk13: paclk13 {
+		#clock-cells = <0>;
+		compatible = "fixed-factor-clock";
+		clocks = <&papllclk>;
+		clock-div = <3>;
+		clock-mult = <1>;
+		clock-output-names = "paclk13";
+	};
+
 	chipclk14: chipclk14 {
 		#clock-cells = <0>;
 		compatible = "fixed-factor-clock";
--- a/arch/arm/boot/dts/keystone.dtsi
+++ b/arch/arm/boot/dts/keystone.dtsi
@ -6,14 +6,12 @@
 * published by the Free Software Foundation.
 */

-/dts-v1/;
 #include <dt-bindings/interrupt-controller/arm-gic.h>

 #include "skeleton.dtsi"

 / {
 	model = "Texas Instruments Keystone 2 SoC";
-	compatible =  "ti,keystone-evm";
 	#address-cells = <2>;
 	#size-cells = <2>;
 	interrupt-parent = <&gic>;
@ -64,7 +62,11 @@
 		#address-cells = <1>;
 		interrupt-controller;
 		reg = <0x0 0x02561000 0x0 0x1000>,
-		      <0x0 0x02562000 0x0 0x2000>;
+		      <0x0 0x02562000 0x0 0x2000>,
+		      <0x0 0x02564000 0x0 0x1000>,
+		      <0x0 0x02566000 0x0 0x2000>;
+		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
+				IRQ_TYPE_LEVEL_HIGH)>;
 	};

 	timer {
@ -179,5 +181,32 @@
 			interrupts = <GIC_SPI 300 IRQ_TYPE_EDGE_RISING>;
 			clocks = <&clkspi>;
 		};
+
+		usb_phy: usb_phy@2620738 {
+			compatible = "ti,keystone-usbphy";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x2620738 32>;
+			status = "disabled";
+		};
+
+		usb: usb@2680000 {
+			compatible = "ti,keystone-dwc3";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x2680000 0x10000>;
+			clocks = <&clkusb>;
+			clock-names = "usb";
+			interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
+			ranges;
+			status = "disabled";
+
+			dwc3@2690000 {
+				compatible = "synopsys,dwc3";
+				reg = <0x2690000 0x70000>;
+				interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
+				usb-phy = <&usb_phy>, <&usb_phy>;
+			};
+		};
 	};
 };