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Commit b8273f2e authored by Murali Karicheri's avatar Murali Karicheri Committed by Santosh Shilimkar
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ARM: keystone: dts: add a k2hk-evm specific dts file 



This patch adds K2 Kepler/Hawking evm (k2hk-evm) specific dts file.
To enable re-use of bindings across multiple evms of this family,
rename current keystone.dts to keystone.dtsi and include it in the
evm specific dts file.

K2 SoC has separate ref clock inputs for various clocks. So add
separate ref clock nodes for ARM, DDR3A, DDR3B and PA PLL input
clocks in k2hk-evm.dts. While at it, rename  refclkmain to
refclksys based on device User Guide naming convention

Signed-off-by: default avatarMurali Karicheri <m-karicheri2@ti.com>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
parent 6ce4eac1

arch/arm/boot/dts/k2hk-evm.dts

0 → 100644
+55 −0
Original line number Diff line number Diff line 
/*

 * 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";

			};

		};

	};

};

arch/arm/boot/dts/keystone-clocks.dtsi

+6 −17
Original line number Diff line number Diff line
@@ -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 {

		#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 {

		#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>;

arch/arm/boot/dts/keystone.dts→arch/arm/boot/dts/keystone.dtsi

+0 −2
Original line number Diff line number Diff line
@@ -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>;