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Commit 1bcbf6f4 authored by Kamil Debski's avatar Kamil Debski Committed by Mauro Carvalho Chehab
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[media] cec: s5p-cec: Add s5p-cec driver 



Add CEC interface driver present in the Samsung Exynos range of
SoCs.

The following files were based on work by SangPil Moon:
- exynos_hdmi_cec.h
- exynos_hdmi_cecctl.c

Signed-off-by: default avatarKamil Debski <kamil@wypas.org>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 257d4eae

Documentation/devicetree/bindings/media/s5p-cec.txt

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* Samsung HDMI CEC driver



The HDMI CEC module is present is Samsung SoCs and its purpose is to

handle communication between HDMI connected devices over the CEC bus.



Required properties:

  - compatible : value should be following

	"samsung,s5p-cec"



  - reg : Physical base address of the IP registers and length of memory

	  mapped region.



  - interrupts : HDMI CEC interrupt number to the CPU.

  - clocks : from common clock binding: handle to HDMI CEC clock.

  - clock-names : from common clock binding: must contain "hdmicec",

		  corresponding to entry in the clocks property.

  - samsung,syscon-phandle - phandle to the PMU system controller



Example:



hdmicec: cec@100B0000 {

	compatible = "samsung,s5p-cec";

	reg = <0x100B0000 0x200>;

	interrupts = <0 114 0>;

	clocks = <&clock CLK_HDMI_CEC>;

	clock-names = "hdmicec";

	samsung,syscon-phandle = <&pmu_system_controller>;

	pinctrl-names = "default";

	pinctrl-0 = <&hdmi_cec>;

	status = "okay";

};

MAINTAINERS

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@@ -1642,6 +1642,13 @@ L: linux-media@vger.kernel.org 
S:	Maintained

F:	drivers/media/platform/s5p-tv/



ARM/SAMSUNG S5P SERIES HDMI CEC SUBSYSTEM SUPPORT

M:	Kyungmin Park <kyungmin.park@samsung.com>

L:	linux-arm-kernel@lists.infradead.org

L:	linux-media@vger.kernel.org

S:	Maintained

F:	drivers/media/platform/s5p-cec/



ARM/SAMSUNG S5P SERIES JPEG CODEC SUPPORT

M:	Andrzej Pietrasiewicz <andrzej.p@samsung.com>

M:	Jacek Anaszewski <j.anaszewski@samsung.com>

drivers/media/platform/Kconfig

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@@ -108,6 +108,16 @@ config VIDEO_S3C_CAMIF 
source "drivers/media/platform/soc_camera/Kconfig"

source "drivers/media/platform/exynos4-is/Kconfig"

source "drivers/media/platform/s5p-tv/Kconfig"



config VIDEO_SAMSUNG_S5P_CEC

	tristate "Samsung S5P CEC driver"

	depends on VIDEO_DEV && MEDIA_CEC && (PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST)

	---help---

	  This is a driver for Samsung S5P HDMI CEC interface. It uses the

	  generic CEC framework interface.

	  CEC bus is present in the HDMI connector and enables communication

	  between compatible devices.



source "drivers/media/platform/am437x/Kconfig"

source "drivers/media/platform/xilinx/Kconfig"

source "drivers/media/platform/rcar-vin/Kconfig"

drivers/media/platform/Makefile

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@@ -28,6 +28,7 @@ obj-$(CONFIG_VIDEO_MEM2MEM_DEINTERLACE) += m2m-deinterlace.o 


obj-$(CONFIG_VIDEO_S3C_CAMIF) 		+= s3c-camif/

obj-$(CONFIG_VIDEO_SAMSUNG_EXYNOS4_IS) 	+= exynos4-is/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_CEC)	+= s5p-cec/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG)	+= s5p-jpeg/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC)	+= s5p-mfc/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_TV)	+= s5p-tv/

drivers/media/platform/s5p-cec/Makefile

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obj-$(CONFIG_VIDEO_SAMSUNG_S5P_CEC)	+= s5p-cec.o

s5p-cec-y += s5p_cec.o exynos_hdmi_cecctrl.o