ARM: shmobile: add R8A7778 basis support (ccb7cc74) · Commits · 戴 / test

arch/arm/boot/dts/r8a7778.dtsi

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		/*
		* Device Tree Source for Renesas r8a7778
		*
		* Copyright (C) 2013 Renesas Solutions Corp.
		* Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
		*
		* based on r8a7779
		*
		* Copyright (C) 2013 Renesas Solutions Corp.
		* Copyright (C) 2013 Simon Horman
		*
		* 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/ "skeleton.dtsi"

		/ {
		compatible = "renesas,r8a7778";

		cpus {
		cpu@0 {
		compatible = "arm,cortex-a9";
		};
		};

		gic: interrupt-controller@fe438000 {
		compatible = "arm,cortex-a9-gic";
		#interrupt-cells = <3>;
		interrupt-controller;
		reg = <0xfe438000 0x1000>,
		<0xfe430000 0x100>;
		};
		};

arch/arm/mach-shmobile/Kconfig

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		@@ -33,6 +33,12 @@ config ARCH_R8A7740
		select CPU_V7
		select SH_CLK_CPG

		config ARCH_R8A7778
		bool "R-Car M1 (R8A77780)"
		select CPU_V7
		select SH_CLK_CPG
		select ARM_GIC

		config ARCH_R8A7779
		bool "R-Car H1 (R8A77790)"
		select ARCH_WANT_OPTIONAL_GPIOLIB

arch/arm/mach-shmobile/Makefile

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		@@ -10,6 +10,7 @@ obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o clock-sh7372.o intc-sh7372.o
		obj-$(CONFIG_ARCH_SH73A0) += setup-sh73a0.o clock-sh73a0.o intc-sh73a0.o
		obj-$(CONFIG_ARCH_R8A73A4) += setup-r8a73a4.o clock-r8a73a4.o
		obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o clock-r8a7740.o intc-r8a7740.o
		obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o clock-r8a7778.o
		obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o clock-r8a7779.o intc-r8a7779.o
		obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o clock-emev2.o

arch/arm/mach-shmobile/clock-r8a7778.c

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		/*
		* r8a7778 clock framework support
		*
		* Copyright (C) 2013 Renesas Solutions Corp.
		* Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
		*
		* based on r8a7779
		*
		* Copyright (C) 2011 Renesas Solutions Corp.
		* Copyright (C) 2011 Magnus Damm
		*
		* 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; either version 2 of the License
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		*/

		#include <linux/io.h>
		#include <linux/sh_clk.h>
		#include <linux/clkdev.h>
		#include <mach/common.h>

		#define MSTPCR0 IOMEM(0xffc80030)
		#define MSTPCR1 IOMEM(0xffc80034)
		#define MSTPCR3 IOMEM(0xffc8003c)
		#define MSTPSR1 IOMEM(0xffc80044)
		#define MSTPSR4 IOMEM(0xffc80048)
		#define MSTPSR6 IOMEM(0xffc8004c)
		#define MSTPCR4 IOMEM(0xffc80050)
		#define MSTPCR5 IOMEM(0xffc80054)
		#define MSTPCR6 IOMEM(0xffc80058)

		/* ioremap() through clock mapping mandatory to avoid
		* collision with ARM coherent DMA virtual memory range.
		*/

		static struct clk_mapping cpg_mapping = {
		.phys = 0xffc80000,
		.len = 0x80,
		};

		static struct clk clkp = {
		.rate = 62500000, /* FIXME: shortcut */
		.flags = CLK_ENABLE_ON_INIT,
		.mapping = &cpg_mapping,
		};

		static struct clk *main_clks[] = {
		&clkp,
		};

		enum {
		MSTP016, MSTP015,
		MSTP_NR };

		static struct clk mstp_clks[MSTP_NR] = {
		[MSTP016] = SH_CLK_MSTP32(&clkp, MSTPCR0, 16, 0), /* TMU0 */
		[MSTP015] = SH_CLK_MSTP32(&clkp, MSTPCR0, 15, 0), /* TMU1 */
		};

		static struct clk_lookup lookups[] = {
		/* MSTP32 clocks */
		CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP016]), /* TMU00 */
		CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP015]), /* TMU01 */
		};

		void __init r8a7778_clock_init(void)
		{
		int k, ret = 0;

		for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
		ret = clk_register(main_clks[k]);

		if (!ret)
		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);

		clkdev_add_table(lookups, ARRAY_SIZE(lookups));

		if (!ret)
		shmobile_clk_init();
		else
		panic("failed to setup r8a7778 clocks\n");
		}

arch/arm/mach-shmobile/include/mach/r8a7778.h

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		/*
		* Copyright (C) 2013 Renesas Solutions Corp.
		* Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.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.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
		*/
		#ifndef __ASM_R8A7778_H__
		#define __ASM_R8A7778_H__

		extern void r8a7778_add_standard_devices(void);
		extern void r8a7778_add_standard_devices_dt(void);
		extern void r8a7778_init_delay(void);
		extern void r8a7778_init_irq(void);
		extern void r8a7778_init_irq_dt(void);
		extern void r8a7778_clock_init(void);

		#endif /* __ASM_R8A7778_H__ */

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