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 <andrze...@samsung.com>
> Signed-off-by: Sylwester Nawrocki <s.nawro...@samsung.com>
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 <andrze...@samsung.com>");
> MODULE_DESCRIPTION("Samsung JPEG codec driver");
> MODULE_LICENSE("GPL");
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