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

   1 From de054c03f90b3ea22bc346fbf78ac716df192b2d Mon Sep 17 00:00:00 2001
   2 From: Kewei Xu <kewei.xu@mediatek.com>
   3 Date: Mon, 7 Mar 2022 11:36:49 +0800
   4 Subject: [PATCH 07/16] i2c: mediatek: Add i2c compatible for Mediatek MT8168
   5
   6 Add i2c compatible for MT8168. Compare to MT2712 i2c controller,
   7 MT8168 need to synchronize signal with dma.
   8
   9 Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
  10 Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  11 Reviewed-by: Qii Wang <qii.wang@mediatek.com>
  12 Signed-off-by: Wolfram Sang <wsa@kernel.org>
  13 ---
  14  drivers/i2c/busses/i2c-mt65xx.c | 14 ++++++++++++++
  15  1 file changed, 14 insertions(+)
  16
  17 --- a/drivers/i2c/busses/i2c-mt65xx.c
  18 +++ b/drivers/i2c/busses/i2c-mt65xx.c
  19 @@ -389,6 +389,19 @@ static const struct mtk_i2c_compatible m
  20         .max_dma_support = 32,
  21  };
  22
  23 +static const struct mtk_i2c_compatible mt8168_compat = {
  24 +       .regs = mt_i2c_regs_v1,
  25 +       .pmic_i2c = 0,
  26 +       .dcm = 1,
  27 +       .auto_restart = 1,
  28 +       .aux_len_reg = 1,
  29 +       .timing_adjust = 1,
  30 +       .dma_sync = 1,
  31 +       .ltiming_adjust = 0,
  32 +       .apdma_sync = 0,
  33 +       .max_dma_support = 33,
  34 +};
  35 +
  36  static const struct mtk_i2c_compatible mt8173_compat = {
  37         .regs = mt_i2c_regs_v1,
  38         .pmic_i2c = 0,
  39 @@ -448,6 +461,7 @@ static const struct of_device_id mtk_i2c
  40         { .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
  41         { .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat },
  42         { .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
  43 +       { .compatible = "mediatek,mt8168-i2c", .data = &mt8168_compat },
  44         { .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
  45         { .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
  46         { .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },