linux-kernel - [PATCH 1/2] i2c: mediatek: add support for MT7981 SoC

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Message-ID: <fdbd18ab71693b2b0dcbe1094bcfd1060bf21200.1678756608.git.daniel@makrotopia.org>
Date:   Tue, 14 Mar 2023 01:18:24 +0000
From:   Daniel Golle <daniel@...rotopia.org>
To:     linux-i2c@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Qii Wang <qii.wang@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 1/2] i2c: mediatek: add support for MT7981 SoC

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/i2c/busses/i2c-mt65xx.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 43dd966d5ef5..54cabd366403 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -431,6 +431,18 @@ static const struct mtk_i2c_compatible mt8168_compat = {
 	.max_dma_support = 33,
 };
 
+static const struct mtk_i2c_compatible mt7981_compat = {
+	.regs = mt_i2c_regs_v3,
+	.pmic_i2c = 0,
+	.dcm = 0,
+	.auto_restart = 1,
+	.aux_len_reg = 1,
+	.timing_adjust = 1,
+	.dma_sync = 1,
+	.ltiming_adjust = 1,
+	.max_dma_support = 33
+};
+
 static const struct mtk_i2c_compatible mt7986_compat = {
 	.quirks = &mt7622_i2c_quirks,
 	.regs = mt_i2c_regs_v1,
@@ -516,6 +528,7 @@ static const struct of_device_id mtk_i2c_of_match[] = {
 	{ .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
 	{ .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat },
 	{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
+	{ .compatible = "mediatek,mt7981-i2c", .data = &mt7981_compat },
 	{ .compatible = "mediatek,mt7986-i2c", .data = &mt7986_compat },
 	{ .compatible = "mediatek,mt8168-i2c", .data = &mt8168_compat },
 	{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
-- 
2.39.2