Re: [PATCH] s5p-jpeg: Add initial device tree support for S5PV210/Exynos4210 SoCs

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On 08/18/2013 10:14 PM, Sylwester Nawrocki wrote:
> This patch enables the JPEG codec on S5PV210 and Exynos4210 SoCs. There are
> some differences in newer versions of the JPEG codec IP on SoCs like Exynos4x12
> and Exynos5 series and support for them will be added in subsequent patches.
> 
> Cc: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>

Could a DT maintainer review/Ack the binding in this patch ?

> ---
>  .../bindings/media/exynos-jpeg-codec.txt           |   11 +++++++++++
>  drivers/media/platform/s5p-jpeg/jpeg-core.c        |   12 +++++++++++-
>  2 files changed, 22 insertions(+), 1 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt
> 
> diff --git a/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt
> new file mode 100644
> index 0000000..937b755
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt
> @@ -0,0 +1,11 @@
> +Samsung S5P/EXYNOS SoC series JPEG codec
> +
> +Required properties:
> +
> +- compatible	: should be one of:
> +		  "samsung,s5pv210-jpeg", "samsung,exynos4210-jpeg";
> +- reg		: address and length of the JPEG codec IP register set;
> +- interrupts	: specifies the JPEG codec IP interrupt;
> +- clocks	: should contain the JPEG codec IP gate clock specifier, from the
> +		  common clock bindings;
> +- clock-names	: should contain "jpeg" entry.
> diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
> index 15d2396..88c5beb 100644
> --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
> +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
> @@ -17,6 +17,7 @@
>  #include <linux/io.h>
>  #include <linux/kernel.h>
>  #include <linux/module.h>
> +#include <linux/of.h>
>  #include <linux/platform_device.h>
>  #include <linux/pm_runtime.h>
>  #include <linux/slab.h>
> @@ -1513,10 +1514,20 @@ static const struct dev_pm_ops s5p_jpeg_pm_ops = {
>  	.runtime_resume	 = s5p_jpeg_runtime_resume,
>  };
>  
> +#ifdef CONFIG_OF
> +static const struct of_device_id s5p_jpeg_of_match[] = {
> +	{ .compatible = "samsung,s5pv210-jpeg" },
> +	{ .compatible = "samsung,exynos4210-jpeg" },
> +	{ /* sentinel */ },
> +};
> +MODULE_DEVICE_TABLE(of, s5p_jpeg_of_match);
> +#endif
> +
>  static struct platform_driver s5p_jpeg_driver = {
>  	.probe = s5p_jpeg_probe,
>  	.remove = s5p_jpeg_remove,
>  	.driver = {
> +		.of_match_table = of_match_ptr(s5p_jpeg_of_match),
>  		.owner = THIS_MODULE,
>  		.name = S5P_JPEG_M2M_NAME,
>  		.pm = &s5p_jpeg_pm_ops,
> @@ -1528,4 +1539,3 @@ module_platform_driver(s5p_jpeg_driver);
>  MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>");
>  MODULE_DESCRIPTION("Samsung JPEG codec driver");
>  MODULE_LICENSE("GPL");
--
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