On 13 November 2014 19:50, Andrew Bresticker <abrestic@xxxxxxxxxxxx> wrote:
> Add support for the DW MMC host found on the Imagination Pistachio SoC.
> Like the DW MMC hosts found on SOCFPGA and Rockchip SoCs, the DW MMC
> host on Pistachio requires the use of SDMMC_CMD_USE_HOLD_REG.
>
> Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
Thanks! Applied for next.
Kind regards
Uffe
> ---
> .../devicetree/bindings/mmc/img-dw-mshc.txt | 29 ++++++++++++++++++++++
> drivers/mmc/host/dw_mmc-pltfm.c | 6 +++++
> 2 files changed, 35 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mmc/img-dw-mshc.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/img-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/img-dw-mshc.txt
> new file mode 100644
> index 0000000..85de99f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/img-dw-mshc.txt
> @@ -0,0 +1,29 @@
> +* Imagination specific extensions to the Synopsys Designware Mobile Storage
> + Host Controller
> +
> +The Synopsys designware mobile storage host controller is used to interface
> +a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
> +differences between the core Synopsys dw mshc controller properties described
> +by synopsys-dw-mshc.txt and the properties used by the Imagination specific
> +extensions to the Synopsys Designware Mobile Storage Host Controller.
> +
> +Required Properties:
> +
> +* compatible: should be
> + - "img,pistachio-dw-mshc": for Pistachio SoCs
> +
> +Example:
> +
> + mmc@18142000 {
> + compatible = "img,pistachio-dw-mshc";
> + reg = <0x18142000 0x400>;
> + interrupts = <GIC_SHARED 39 IRQ_TYPE_LEVEL_HIGH>;
> +
> + clocks = <&system_clk>, <&sdhost_clk>;
> + clock-names = "biu", "ciu";
> +
> + fifo-depth = <0x20>;
> + bus-width = <4>;
> + num-slots = <1>;
> + disable-wp;
> + };
> diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
> index 8b65721..ec6dbcd 100644
> --- a/drivers/mmc/host/dw_mmc-pltfm.c
> +++ b/drivers/mmc/host/dw_mmc-pltfm.c
> @@ -35,6 +35,10 @@ static const struct dw_mci_drv_data socfpga_drv_data = {
> .prepare_command = dw_mci_pltfm_prepare_command,
> };
>
> +static const struct dw_mci_drv_data pistachio_drv_data = {
> + .prepare_command = dw_mci_pltfm_prepare_command,
> +};
> +
> int dw_mci_pltfm_register(struct platform_device *pdev,
> const struct dw_mci_drv_data *drv_data)
> {
> @@ -90,6 +94,8 @@ static const struct of_device_id dw_mci_pltfm_match[] = {
> { .compatible = "snps,dw-mshc", },
> { .compatible = "altr,socfpga-dw-mshc",
> .data = &socfpga_drv_data },
> + { .compatible = "img,pistachio-dw-mshc",
> + .data = &pistachio_drv_data },
> {},
> };
> MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
> --
> 2.1.0.rc2.206.gedb03e5
>
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