From 3bbef1b912df64a86a86e402d7686a8ed38abaf4 Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Fri, 17 Dec 2010 15:08:07 +0900 Subject: [PATCH] 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: Sylwester Nawrocki Signed-off-by: Kyungmin Park Signed-off-by: Kukjin Kim --- arch/arm/plat-s5p/Kconfig | 10 +++++++ arch/arm/plat-s5p/Makefile | 2 ++ arch/arm/plat-s5p/dev-csis0.c | 34 +++++++++++++++++++++++ arch/arm/plat-s5p/dev-csis1.c | 34 +++++++++++++++++++++++ arch/arm/plat-s5p/include/plat/csis.h | 28 +++++++++++++++++++ arch/arm/plat-samsung/include/plat/devs.h | 3 ++ 6 files changed, 111 insertions(+) create mode 100644 arch/arm/plat-s5p/dev-csis0.c create mode 100644 arch/arm/plat-s5p/dev-csis1.c create mode 100644 arch/arm/plat-s5p/include/plat/csis.h diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig index 65dbfa8e0a86..6a161f317a79 100644 --- a/arch/arm/plat-s5p/Kconfig +++ b/arch/arm/plat-s5p/Kconfig @@ -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 diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile index de65238a7aef..2b7317378103 100644 --- a/arch/arm/plat-s5p/Makefile +++ b/arch/arm/plat-s5p/Makefile @@ -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 diff --git a/arch/arm/plat-s5p/dev-csis0.c b/arch/arm/plat-s5p/dev-csis0.c new file mode 100644 index 000000000000..dfab1c85f54f --- /dev/null +++ b/arch/arm/plat-s5p/dev-csis0.c @@ -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 +#include +#include +#include + +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, +}; diff --git a/arch/arm/plat-s5p/dev-csis1.c b/arch/arm/plat-s5p/dev-csis1.c new file mode 100644 index 000000000000..e3053f27fbbf --- /dev/null +++ b/arch/arm/plat-s5p/dev-csis1.c @@ -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 +#include +#include +#include + +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, +}; diff --git a/arch/arm/plat-s5p/include/plat/csis.h b/arch/arm/plat-s5p/include/plat/csis.h new file mode 100644 index 000000000000..51e308c7981d --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/csis.h @@ -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_ */ diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index 2d82a6cb1444..7935a8bc080f 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -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 -- 2.20.1