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-rw-r--r--target/linux/mediatek/patches-4.14/0203-mmc-mediatek-add-support-for-MT7622-SoC.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.14/0203-mmc-mediatek-add-support-for-MT7622-SoC.patch b/target/linux/mediatek/patches-4.14/0203-mmc-mediatek-add-support-for-MT7622-SoC.patch
new file mode 100644
index 0000000000..242e5045fa
--- /dev/null
+++ b/target/linux/mediatek/patches-4.14/0203-mmc-mediatek-add-support-for-MT7622-SoC.patch
@@ -0,0 +1,47 @@
+From 9af606beb87182120ab40563cd596a9e1cfc842b Mon Sep 17 00:00:00 2001
+From: Sean Wang <sean.wang@mediatek.com>
+Date: Fri, 2 Feb 2018 14:25:11 +0800
+Subject: [PATCH 203/224] mmc: mediatek: add support for MT7622 SoC
+
+Just applying the existing logic and adding its own characteristics into
+the space pointed by an extra entry of struct of_device_id to have support
+of MT7622 SoC.
+
+Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
+Signed-off-by: Sean Wang <sean.wang@mediatek.com>
+Tested-by: Jumin Li <jumin.li@mediatek.com>
+---
+ drivers/mmc/host/mtk-sd.c | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
+index 27a62254f12f..f5e0662f2590 100644
+--- a/drivers/mmc/host/mtk-sd.c
++++ b/drivers/mmc/host/mtk-sd.c
+@@ -438,11 +438,23 @@ static const struct mtk_mmc_compatible mt2712_compat = {
+ .enhance_rx = true,
+ };
+
++static const struct mtk_mmc_compatible mt7622_compat = {
++ .clk_div_bits = 12,
++ .hs400_tune = false,
++ .pad_tune_reg = MSDC_PAD_TUNE0,
++ .async_fifo = true,
++ .data_tune = true,
++ .busy_check = true,
++ .stop_clk_fix = true,
++ .enhance_rx = true,
++};
++
+ static const struct of_device_id msdc_of_ids[] = {
+ { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat},
+ { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat},
+ { .compatible = "mediatek,mt2701-mmc", .data = &mt2701_compat},
+ { .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat},
++ { .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat},
+ {}
+ };
+ MODULE_DEVICE_TABLE(of, msdc_of_ids);
+--
+2.11.0
+