linux-kernel - [PATCH 4/4] i2c: mediatek: Add i2c compatible for MediaTek MT8192

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Message-ID: <1595421106-10017-5-git-send-email-qii.wang@mediatek.com>
Date:   Wed, 22 Jul 2020 20:31:46 +0800
From:   Qii Wang <qii.wang@...iatek.com>
To:     <wsa@...-dreams.de>
CC:     <robh+dt@...nel.org>, <linux-i2c@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <leilk.liu@...iatek.com>,
        <qii.wang@...iatek.com>, <qiangming.xia@...iatek.com>
Subject: [PATCH 4/4] i2c: mediatek: Add i2c compatible for MediaTek MT8192

Add i2c compatible for MT8192. Compare to MT8183 i2c controller,
MT8192 support more then 8GB DMA mode.

Signed-off-by: Qii Wang <qii.wang@...iatek.com>
---
 drivers/i2c/busses/i2c-mt65xx.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index e475877..47f3eef 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -388,6 +388,20 @@ struct i2c_spec_values {
 	.max_dma_support = 33,
 };
 
+static const struct mtk_i2c_compatible mt8192_compat = {
+	.quirks = &mt8183_i2c_quirks,
+	.regs = mt_i2c_regs_v2,
+	.pmic_i2c = 0,
+	.dcm = 0,
+	.auto_restart = 1,
+	.aux_len_reg = 1,
+	.timing_adjust = 1,
+	.dma_sync = 1,
+	.ltiming_adjust = 1,
+	.apdma_sync = 1,
+	.max_dma_support = 36,
+};
+
 static const struct of_device_id mtk_i2c_of_match[] = {
 	{ .compatible = "mediatek,mt2712-i2c", .data = &mt2712_compat },
 	{ .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
@@ -395,6 +409,7 @@ struct i2c_spec_values {
 	{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
 	{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
 	{ .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
+	{ .compatible = "mediatek,mt8192-i2c", .data = &mt8192_compat },
 	{}
 };
 MODULE_DEVICE_TABLE(of, mtk_i2c_of_match);
-- 
1.9.1