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Commit 3bbef1b9 authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Kukjin Kim
Browse files

ARM: S5P: Add platform support for MIPI CSIS devices 



There may be up to two MIPI CSI slave interfaces depending on the SoC version.

Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 7db8cb2a

arch/arm/plat-s5p/Kconfig

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Original line number Diff line number Diff line
@@ -56,3 +56,13 @@ config S5P_DEV_ONENAND 
	bool

	help

	  Compile in platform device definition for OneNAND controller



config S5P_DEV_CSIS0

	bool

	help

	  Compile in platform device definitions for MIPI-CSIS channel 0



config S5P_DEV_CSIS1

	bool

	help

	  Compile in platform device definitions for MIPI-CSIS channel 1

arch/arm/plat-s5p/Makefile

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@@ -28,3 +28,5 @@ obj-$(CONFIG_S5P_DEV_FIMC0) += dev-fimc0.o 
obj-$(CONFIG_S5P_DEV_FIMC1)	+= dev-fimc1.o

obj-$(CONFIG_S5P_DEV_FIMC2)	+= dev-fimc2.o

obj-$(CONFIG_S5P_DEV_ONENAND)	+= dev-onenand.o

obj-$(CONFIG_S5P_DEV_CSIS0)	+= dev-csis0.o

obj-$(CONFIG_S5P_DEV_CSIS1)	+= dev-csis1.o

arch/arm/plat-s5p/dev-csis0.c

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/*

 * Copyright (C) 2010 Samsung Electronics

 *

 * S5P series device definition for MIPI-CSIS channel 0

 *

 * 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.

*/



#include <linux/kernel.h>

#include <linux/interrupt.h>

#include <linux/platform_device.h>

#include <mach/map.h>



static struct resource s5p_mipi_csis0_resource[] = {

	[0] = {

		.start = S5P_PA_MIPI_CSIS0,

		.end   = S5P_PA_MIPI_CSIS0 + SZ_4K - 1,

		.flags = IORESOURCE_MEM,

	},

	[1] = {

		.start = IRQ_MIPI_CSIS0,

		.end   = IRQ_MIPI_CSIS0,

		.flags = IORESOURCE_IRQ,

	}

};



struct platform_device s5p_device_mipi_csis0 = {

	.name		  = "s5p-mipi-csis",

	.id		  = 0,

	.num_resources	  = ARRAY_SIZE(s5p_mipi_csis0_resource),

	.resource	  = s5p_mipi_csis0_resource,

};

arch/arm/plat-s5p/dev-csis1.c

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/*

 * Copyright (C) 2010 Samsung Electronics

 *

 * S5P series device definition for MIPI-CSIS channel 1

 *

 * 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.

*/



#include <linux/kernel.h>

#include <linux/interrupt.h>

#include <linux/platform_device.h>

#include <mach/map.h>



static struct resource s5p_mipi_csis1_resource[] = {

	[0] = {

		.start = S5P_PA_MIPI_CSIS1,

		.end   = S5P_PA_MIPI_CSIS1 + SZ_4K - 1,

		.flags = IORESOURCE_MEM,

	},

	[1] = {

		.start = IRQ_MIPI_CSIS1,

		.end   = IRQ_MIPI_CSIS1,

		.flags = IORESOURCE_IRQ,

	},

};



struct platform_device s5p_device_mipi_csis1 = {

	.name		  = "s5p-mipi-csis",

	.id		  = 1,

	.num_resources	  = ARRAY_SIZE(s5p_mipi_csis1_resource),

	.resource	  = s5p_mipi_csis1_resource,

};

arch/arm/plat-s5p/include/plat/csis.h

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/*

 * Copyright (C) 2010 Samsung Electronics

 *

 * S5P series MIPI CSI slave device support

 *

 * 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.

 */



#ifndef PLAT_S5P_CSIS_H_

#define PLAT_S5P_CSIS_H_ __FILE__



/**

 * struct s5p_platform_mipi_csis - platform data for MIPI-CSIS

 * @clk_rate: bus clock frequency

 * @lanes: number of data lanes used

 * @alignment: data alignment in bits

 * @hs_settle: HS-RX settle time

 */

struct s5p_platform_mipi_csis {

	unsigned long clk_rate;

	u8 lanes;

	u8 alignment;

	u8 hs_settle;

};



#endif /* PLAT_S5P_CSIS_H_ */