openwrt/target/linux/mediatek/patches-5.15/842-v5.18-i2c-mediatek-Add-i2c-compatible-for-Mediatek-MT8186.patch

From 83630e3c6147bf7bb18a18f3d5a99462464f450b Mon Sep 17 00:00:00 2001
From: Kewei Xu <kewei.xu@mediatek.com>
Date: Tue, 25 Jan 2022 19:04:13 +0800
Subject: [PATCH 03/16] i2c: mediatek: Add i2c compatible for Mediatek MT8186

Add i2c compatible for MT8186. Compare to MT8192 i2c controller,
MT8186 doesn't need handshake signal witch apdma.

Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
Reviewed-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
---
 drivers/i2c/busses/i2c-mt65xx.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -397,6 +397,19 @@ static const struct mtk_i2c_compatible m
 	.max_dma_support = 33,
 };
 
+static const struct mtk_i2c_compatible mt8186_compat = {
+	.regs = mt_i2c_regs_v2,
+	.pmic_i2c = 0,
+	.dcm = 0,
+	.auto_restart = 1,
+	.aux_len_reg = 1,
+	.timing_adjust = 1,
+	.dma_sync = 0,
+	.ltiming_adjust = 1,
+	.apdma_sync = 0,
+	.max_dma_support = 36,
+};
+
 static const struct mtk_i2c_compatible mt8192_compat = {
 	.quirks = &mt8183_i2c_quirks,
 	.regs = mt_i2c_regs_v2,
@@ -418,6 +431,7 @@ static const struct of_device_id mtk_i2c
 	{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
 	{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
 	{ .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
+	{ .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },
 	{ .compatible = "mediatek,mt8192-i2c", .data = &mt8192_compat },
 	{}
 };