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SubjectRe: [PATCH v2 1/3] dt-bindings: mmc: meson-gx: add dram-access-quirk property
On Mon, 27 May 2019 at 14:43, Neil Armstrong <narmstrong@baylibre.com> wrote:
>
> On the Amlogic G12A SoC family, (only) the SDIO controller has a bug which
> makes any DRAM access from the MMC controller fail.
>
> Add the amlogic,dram-access-quirk property so signal this particular
> controller has this bug and needs a quirk to work properly.
>
> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
> Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt
> index 13e70409e8ac..ccc5358db131 100644
> --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt
> +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt
> @@ -22,6 +22,10 @@ Required properties:
> clock rate requested by the MMC core.
> - resets : phandle of the internal reset line
>
> +Optional properties:
> +- amlogic,dram-access-quirk: set when controller's internal DMA engine cannot access the
> + DRAM memory, like on the G12A dedicated SDIO controller.
> +
> Example:
>
> sd_emmc_a: mmc@70000 {
> --
> 2.21.0
>

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