From de054c03f90b3ea22bc346fbf78ac716df192b2d Mon Sep 17 00:00:00 2001 From: Kewei Xu Date: Mon, 7 Mar 2022 11:36:49 +0800 Subject: [PATCH 07/16] i2c: mediatek: Add i2c compatible for Mediatek MT8168 Add i2c compatible for MT8168. Compare to MT2712 i2c controller, MT8168 need to synchronize signal with dma. Signed-off-by: Kewei Xu Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Qii Wang Signed-off-by: Wolfram Sang --- 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 @@ -389,6 +389,19 @@ static const struct mtk_i2c_compatible m .max_dma_support = 32, }; +static const struct mtk_i2c_compatible mt8168_compat = { + .regs = mt_i2c_regs_v1, + .pmic_i2c = 0, + .dcm = 1, + .auto_restart = 1, + .aux_len_reg = 1, + .timing_adjust = 1, + .dma_sync = 1, + .ltiming_adjust = 0, + .apdma_sync = 0, + .max_dma_support = 33, +}; + static const struct mtk_i2c_compatible mt8173_compat = { .regs = mt_i2c_regs_v1, .pmic_i2c = 0, @@ -448,6 +461,7 @@ static const struct of_device_id mtk_i2c { .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat }, { .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat }, { .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat }, + { .compatible = "mediatek,mt8168-i2c", .data = &mt8168_compat }, { .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat }, { .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat }, { .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },