Commit afb7c791 authored by NeilBrown's avatar NeilBrown Committed by Ulf Hansson
Browse files

mmc: mtk-sd: add support for config found in mt7620 family SOCs. 



mt7620 family MIPS SOCs contain the mtk-sd silicon.
Add support for this.

Signed-off-by: default avatarNeilBrown <neil@brown.name>
Reviewed-by: default avatarChaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 42edb0d5

Documentation/devicetree/bindings/mmc/mtk-sd.txt

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/mmc/host/mtk-sd.c

+12 −0
Original line number Diff line number Diff line
@@ -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);