linux-kernel - [PATCH 2/2] mmc: mediatek: add support for MT7622 SoC

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Message-ID: <83a3ee9471cc7312b9cc43bcf692939e90af34ba.1520232933.git.sean.wang@mediatek.com>
Date:   Mon, 5 Mar 2018 15:03:20 +0800
From:   <sean.wang@...iatek.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <ulf.hansson@...aro.org>
CC:     <devicetree@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Chaotian Jing <chaotian.jing@...iatek.com>
Subject: [PATCH 2/2] mmc: mediatek: add support for MT7622 SoC

From: Sean Wang <sean.wang@...iatek.com>

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@...iatek.com>
Signed-off-by: Sean Wang <sean.wang@...iatek.com>
Tested-by: Jumin Li <jumin.li@...iatek.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 6457a7d..cb274e8 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);
-- 
2.7.4