target/linux/layerscape/patches-5.4/808-i2c-0001-MLK-16095-01-i2c-mux-pca954x-add-i2c-bus-switch-PCA9.patch

   1 From 80720c83833c6009b68958fff4e1cca712808395 Mon Sep 17 00:00:00 2001
   2 From: Richard Zhu <hongxing.zhu@nxp.com>
   3 Date: Thu, 24 Jan 2019 15:07:32 +0800
   4 Subject: [PATCH] MLK-16095-01 i2c: mux: pca954x: add i2c bus switch PCA9646
   5  chip support
   6
   7 Add i2c bus switch PCA9646 chip support, which 2-wire bus switch
   8 and buffered 4-channel.
   9
  10 Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
  11 ---
  12  drivers/i2c/muxes/i2c-mux-pca954x.c | 8 ++++++++
  13  1 file changed, 8 insertions(+)
  14
  15 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c
  16 +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
  17 @@ -64,6 +64,7 @@ enum pca_type {
  18         pca_9546,
  19         pca_9547,
  20         pca_9548,
  21 +       pca_9646,
  22         pca_9846,
  23         pca_9847,
  24         pca_9848,
  25 @@ -145,6 +146,11 @@ static const struct chip_desc chips[] =
  26                 .muxtype = pca954x_isswi,
  27                 .id = { .manufacturer_id = I2C_DEVICE_ID_NONE },
  28         },
  29 +       [pca_9646] = {
  30 +               .nchans = 4,
  31 +               .muxtype = pca954x_isswi,
  32 +               .id = { .manufacturer_id = I2C_DEVICE_ID_NONE },
  33 +       },
  34         [pca_9846] = {
  35                 .nchans = 4,
  36                 .muxtype = pca954x_isswi,
  37 @@ -190,6 +196,7 @@ static const struct i2c_device_id pca954
  38         { "pca9546", pca_9546 },
  39         { "pca9547", pca_9547 },
  40         { "pca9548", pca_9548 },
  41 +       { "pca9646", pca_9646 },
  42         { "pca9846", pca_9846 },
  43         { "pca9847", pca_9847 },
  44         { "pca9848", pca_9848 },
  45 @@ -208,6 +215,7 @@ static const struct of_device_id pca954x
  46         { .compatible = "nxp,pca9546", .data = &chips[pca_9546] },
  47         { .compatible = "nxp,pca9547", .data = &chips[pca_9547] },
  48         { .compatible = "nxp,pca9548", .data = &chips[pca_9548] },
  49 +       { .compatible = "nxp,pca9646", .data = &chips[pca_9646] },
  50         { .compatible = "nxp,pca9846", .data = &chips[pca_9846] },
  51         { .compatible = "nxp,pca9847", .data = &chips[pca_9847] },
  52         { .compatible = "nxp,pca9848", .data = &chips[pca_9848] },