Re: [PATCH 1/2] i2c: mediatek: add support for MT7981 SoC

From: AngeloGioacchino Del Regno
Date: Tue Mar 14 2023 - 05:27:06 EST


Il 14/03/23 02:18, Daniel Golle ha scritto:
Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
---
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,

I've found a downstream kernel saying that MT7981 uses `mt_i2c_regs_v2`,
hence the question:

Are you sure that this is supposed to be v3?

Regards,
Angelo

+ .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 },