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ARM: S5P: Add platform support for MIPI CSIS devices

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

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Sylwester Nawrocki 2010-12-17 15:08:07 +09:00 committed by Kukjin Kim
parent 7db8cb2ad5
commit 3bbef1b912
6 changed files with 111 additions and 0 deletions
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10
arch/arm/plat-s5p/Kconfig
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@ -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

2
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

34
arch/arm/plat-s5p/dev-csis0.c Normal file
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@ -0,0 +1,34 @@
/*
* 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,
};

34
arch/arm/plat-s5p/dev-csis1.c Normal file
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@ -0,0 +1,34 @@
/*
* 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,
};

28
arch/arm/plat-s5p/include/plat/csis.h Normal file
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@ -0,0 +1,28 @@
/*
* 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_ */

3
arch/arm/plat-samsung/include/plat/devs.h
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@ -122,6 +122,9 @@ extern struct platform_device s5p_device_fimc0;
extern struct platform_device s5p_device_fimc1;
extern struct platform_device s5p_device_fimc2;
extern struct platform_device s5p_device_mipi_csis0;
extern struct platform_device s5p_device_mipi_csis1;
/* s3c2440 specific devices */
#ifdef CONFIG_CPU_S3C2440