git.openwrt.org Git - openwrt/staging/ldir.git/blob

   1 From 83630e3c6147bf7bb18a18f3d5a99462464f450b Mon Sep 17 00:00:00 2001
   2 From: Kewei Xu <kewei.xu@mediatek.com>
   3 Date: Tue, 25 Jan 2022 19:04:13 +0800
   4 Subject: [PATCH 03/16] i2c: mediatek: Add i2c compatible for Mediatek MT8186
   5
   6 Add i2c compatible for MT8186. Compare to MT8192 i2c controller,
   7 MT8186 doesn't need handshake signal witch apdma.
   8
   9 Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
  10 Reviewed-by: Qii Wang <qii.wang@mediatek.com>
  11 Signed-off-by: Wolfram Sang <wsa@kernel.org>
  12 ---
  13  drivers/i2c/busses/i2c-mt65xx.c | 14 ++++++++++++++
  14  1 file changed, 14 insertions(+)
  15
  16 --- a/drivers/i2c/busses/i2c-mt65xx.c
  17 +++ b/drivers/i2c/busses/i2c-mt65xx.c
  18 @@ -397,6 +397,19 @@ static const struct mtk_i2c_compatible m
  19         .max_dma_support = 33,
  20  };
  21
  22 +static const struct mtk_i2c_compatible mt8186_compat = {
  23 +       .regs = mt_i2c_regs_v2,
  24 +       .pmic_i2c = 0,
  25 +       .dcm = 0,
  26 +       .auto_restart = 1,
  27 +       .aux_len_reg = 1,
  28 +       .timing_adjust = 1,
  29 +       .dma_sync = 0,
  30 +       .ltiming_adjust = 1,
  31 +       .apdma_sync = 0,
  32 +       .max_dma_support = 36,
  33 +};
  34 +
  35  static const struct mtk_i2c_compatible mt8192_compat = {
  36         .quirks = &mt8183_i2c_quirks,
  37         .regs = mt_i2c_regs_v2,
  38 @@ -418,6 +431,7 @@ static const struct of_device_id mtk_i2c
  39         { .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
  40         { .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
  41         { .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
  42 +       { .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },
  43         { .compatible = "mediatek,mt8192-i2c", .data = &mt8192_compat },
  44         {}
  45  };