On Sat, 2019-05-04 at 20:24 +1000, NeilBrown wrote:
> mt7620 family MIPS SOCs contain the mtk-sd silicon.
> Add support for this.
>
> Signed-off-by: NeilBrown <neil@xxxxxxxxxx>
Reviewed-by:Chaotian Jing <chaotian.jing@xxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mmc/mtk-sd.txt | 1 +
> drivers/mmc/host/mtk-sd.c | 12 ++++++++++++
> 2 files changed, 13 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
> index 91a2ec59e497..8a532f4453f2 100644
> --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt
> +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
> @@ -16,6 +16,7 @@ Required properties:
> "mediatek,mt2712-mmc": for mmc host ip compatible with mt2712
> "mediatek,mt7622-mmc": for MT7622 SoC
> "mediatek,mt7623-mmc", "mediatek,mt2701-mmc": for MT7623 SoC
> + "mediatek,mt7620-mmc", for MT7621 SoC (and others)
>
> - reg: physical base address of the controller and length
> - interrupts: Should contain MSDC interrupt number
> diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> index 469d4a717175..0c2be4f54b1f 100644
> --- a/drivers/mmc/host/mtk-sd.c
> +++ b/drivers/mmc/host/mtk-sd.c
> @@ -517,6 +517,17 @@ static const struct mtk_mmc_compatible mt8516_compat = {
> .stop_clk_fix = true,
> };
>
> +static const struct mtk_mmc_compatible mt7620_compat = {
> + .clk_div_bits = 8,
> + .hs400_tune = false,
> + .pad_tune_reg = MSDC_PAD_TUNE,
> + .async_fifo = false,
> + .data_tune = false,
> + .busy_check = false,
> + .stop_clk_fix = false,
> + .enhance_rx = false,
> +};
> +
> static const struct of_device_id msdc_of_ids[] = {
> { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat},
> { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat},
> @@ -525,6 +536,7 @@ static const struct of_device_id msdc_of_ids[] = {
> { .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat},
> { .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat},
> { .compatible = "mediatek,mt8516-mmc", .data = &mt8516_compat},
> + { .compatible = "mediatek,mt7620-mmc", .data = &mt7620_compat},
> {}
> };
> MODULE_DEVICE_TABLE(of, msdc_of_ids);
>
>
