Hi,
On 02/05/14 09:18, Alexander Shiyan wrote:
> This patch adds devicetree support for the Freescale enhanced Multimedia
> Accelerator (eMMA) video Pre-processor (PrP).
>
> Signed-off-by: Alexander Shiyan <shc_w...@mail.ru>
> ---
> .../devicetree/bindings/media/fsl-imx-emmaprp.txt | 19
> +++++++++++++++++++
> drivers/media/platform/mx2_emmaprp.c | 8 ++++++++
> 2 files changed, 27 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/media/fsl-imx-emmaprp.txt
>
> diff --git a/Documentation/devicetree/bindings/media/fsl-imx-emmaprp.txt
> b/Documentation/devicetree/bindings/media/fsl-imx-emmaprp.txt
> new file mode 100644
> index 0000000..9e8238f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/fsl-imx-emmaprp.txt
> @@ -0,0 +1,19 @@
> +* Freescale enhanced Multimedia Accelerator (eMMA) video Pre-processor (PrP)
> + for i.MX.
> +
> +Required properties:
> +- compatible : Shall contain "fsl,imx21-emmaprp".
> +- reg : Offset and length of the register set for the device.
> +- interrupts : Should contain eMMA PrP interrupt number.
> +- clocks : Should contain the ahb and ipg clocks, in the order
> + determined by the clock-names property.
> +- clock-names: Should be "ahb", "ipg".
> +
> +Example:
> + emmaprp: emmaprp@10026400 {
> + compatible = "fsl,imx27-emmaprp", "fsl,imx21-emmaprp";
Is "fsl,imx27-emmaprp" compatible documented somewhere ?
> + reg = <0x10026400 0x100>;
> + interrupts = <51>;
> + clocks = <&clks 49>, <&clks 68>;
> + clock-names = "ipg", "ahb";
> + };
> diff --git a/drivers/media/platform/mx2_emmaprp.c
> b/drivers/media/platform/mx2_emmaprp.c
> index fa8f7ca..0646bda 100644
> --- a/drivers/media/platform/mx2_emmaprp.c
> +++ b/drivers/media/platform/mx2_emmaprp.c
> @@ -18,6 +18,7 @@
> */
> #include <linux/module.h>
> #include <linux/clk.h>
> +#include <linux/of.h>
> #include <linux/slab.h>
> #include <linux/interrupt.h>
> #include <linux/io.h>
> @@ -1005,12 +1006,19 @@ static int emmaprp_remove(struct platform_device
> *pdev)
> return 0;
> }
>
> +static const struct of_device_id __maybe_unused emmaprp_dt_ids[] = {
> + { .compatible = "fsl,imx21-emmaprp", },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, emmaprp_dt_ids);
> +
> static struct platform_driver emmaprp_pdrv = {
> .probe = emmaprp_probe,
> .remove = emmaprp_remove,
> .driver = {
> .name = MEM2MEM_NAME,
> .owner = THIS_MODULE,
> + .of_match_table = of_match_ptr(emmaprp_dt_ids),
> },
> };
> module_platform_driver(emmaprp_pdrv);
I believe documentation and driver changes should be in separate patches.
Otherwise looks good.
--
Thanks,
Sylwester
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