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ARM: shmobile: r7s72100: add essential clock nodes to dtsi

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Only essential clocks are added for now. Other clocks will be added when
needed.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Wolfram Sang 2014-05-14 03:10:06 +02:00 committed by Simon Horman
parent b557deadc5
commit b6face404f
2 changed files with 113 additions and 1 deletions
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86
arch/arm/boot/dts/r7s72100.dtsi
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@ -1,13 +1,15 @@
/*
* Device Tree Source for the r7s72100 SoC
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013-14 Renesas Solutions Corp.
* Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <dt-bindings/clock/r7s72100-clock.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
@ -28,6 +30,88 @@
spi4 = &spi4;
};
clocks {
ranges;
#address-cells = <1>;
#size-cells = <1>;
/* External clocks */
extal_clk: extal_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
/* If clk present, value must be set by board */
clock-frequency = <0>;
clock-output-names = "extal";
};
usb_x1_clk: usb_x1_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
/* If clk present, value must be set by board */
clock-frequency = <0>;
clock-output-names = "usb_x1";
};
/* Special CPG clocks */
cpg_clocks: cpg_clocks@fcfe0000 {
#clock-cells = <1>;
compatible = "renesas,r7s72100-cpg-clocks",
"renesas,rz-cpg-clocks";
reg = <0xfcfe0000 0x18>;
clocks = <&extal_clk>, <&usb_x1_clk>;
clock-output-names = "pll", "i", "g";
};
/* Fixed factor clocks */
b_clk: b_clk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
clocks = <&cpg_clocks R7S72100_CLK_PLL>;
clock-mult = <1>;
clock-div = <3>;
clock-output-names = "b";
};
p1_clk: p1_clk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
clocks = <&cpg_clocks R7S72100_CLK_PLL>;
clock-mult = <1>;
clock-div = <6>;
clock-output-names = "p1";
};
p0_clk: p0_clk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
clocks = <&cpg_clocks R7S72100_CLK_PLL>;
clock-mult = <1>;
clock-div = <12>;
clock-output-names = "p0";
};
/* MSTP clocks */
mstp3_clks: mstp3_clks@fcfe0420 {
#clock-cells = <1>;
compatible = "renesas,r7s72100-mstp-clocks", "renesas,cpg-mstp-clocks";
reg = <0xfcfe0420 4>;
clocks = <&p0_clk>;
clock-indices = <R7S72100_CLK_MTU2>;
clock-output-names = "mtu2";
};
mstp4_clks: mstp4_clks@fcfe0424 {
#clock-cells = <1>;
compatible = "renesas,r7s72100-mstp-clocks", "renesas,cpg-mstp-clocks";
reg = <0xfcfe0424 4>;
clocks = <&p1_clk>, <&p1_clk>, <&p1_clk>, <&p1_clk>,
<&p1_clk>, <&p1_clk>, <&p1_clk>, <&p1_clk>;
clock-indices = <
R7S72100_CLK_SCIF0 R7S72100_CLK_SCIF1 R7S72100_CLK_SCIF2 R7S72100_CLK_SCIF3
R7S72100_CLK_SCIF4 R7S72100_CLK_SCIF5 R7S72100_CLK_SCIF6 R7S72100_CLK_SCIF7
>;
clock-output-names = "scif0", "scif1", "scif2", "scif3", "scif4", "scif5", "scif6", "scif7";
};
};
cpus {
#address-cells = <1>;
#size-cells = <0>;

28
include/dt-bindings/clock/r7s72100-clock.h Normal file
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@ -0,0 +1,28 @@
/*
* Copyright (C) 2014 Renesas Solutions Corp.
* Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*/
#ifndef __DT_BINDINGS_CLOCK_R7S72100_H__
#define __DT_BINDINGS_CLOCK_R7S72100_H__
#define R7S72100_CLK_PLL 0
/* MSTP3 */
#define R7S72100_CLK_MTU2 3
/* MSTP4 */
#define R7S72100_CLK_SCIF0 7
#define R7S72100_CLK_SCIF1 6
#define R7S72100_CLK_SCIF2 5
#define R7S72100_CLK_SCIF3 4
#define R7S72100_CLK_SCIF4 3
#define R7S72100_CLK_SCIF5 2
#define R7S72100_CLK_SCIF6 1
#define R7S72100_CLK_SCIF7 0
#endif /* __DT_BINDINGS_CLOCK_R7S72100_H__ */