diff options
| author | Robert Chiras <robert.chiras@nxp.com> | 2017-12-21 14:10:42 +0200 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2021-11-02 16:38:43 +0800 |
| commit | e67c7a12bca02f5cb958b2491385e7df5f01279a (patch) | |
| tree | 16ddc830f4977921104b650761215f6f847127f5 /drivers/gpu/drm/bridge/adv7511 | |
| parent | e4e4eb702f3de900643577bb9b0913472337282f (diff) | |
MLK-17275-7 drm/bridge: adv7511: Add dsi-channel property
Add a new property "adi,dsi-channel" to allow the user specify the DSI
channel to be used when communicating with DSI peripheral.
Signed-off-by: Robert Chiras <robert.chiras@nxp.com>
Reviewed-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
[ Aisheng: change to yaml ]
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Diffstat (limited to 'drivers/gpu/drm/bridge/adv7511')
| -rw-r--r-- | drivers/gpu/drm/bridge/adv7511/adv7511.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/bridge/adv7511/adv7533.c | 16 |
2 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 05e3abb5a0c9..a8d7c8e70a39 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h @@ -367,6 +367,7 @@ struct adv7511 { struct device_node *host_node; struct mipi_dsi_device *dsi; u8 num_dsi_lanes; + u8 channel_id; bool use_timing_gen; enum adv7511_type type; diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 59d718bde8c4..703172f0556e 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -143,7 +143,7 @@ int adv7533_attach_dsi(struct adv7511 *adv) struct mipi_dsi_device *dsi; int ret = 0; const struct mipi_dsi_device_info info = { .type = "adv7533", - .channel = 0, + .channel = adv->channel_id, .node = NULL, }; @@ -189,14 +189,24 @@ void adv7533_detach_dsi(struct adv7511 *adv) int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) { - u32 num_lanes; + struct device *dev = &adv->i2c_main->dev; + u32 num_lanes = 0, channel_id = 0; + of_property_read_u32(np, "adi,dsi-channel", &channel_id); of_property_read_u32(np, "adi,dsi-lanes", &num_lanes); - if (num_lanes < 1 || num_lanes > 4) + if (num_lanes < 1 || num_lanes > 4) { + dev_err(dev, "Invalid dsi-lanes: %d\n", num_lanes); return -EINVAL; + } + + if (channel_id > 3) { + dev_err(dev, "Invalid dsi-channel: %d\n", channel_id); + return -EINVAL; + } adv->num_dsi_lanes = num_lanes; + adv->channel_id = channel_id; adv->host_node = of_graph_get_remote_node(np, 0, 0); if (!adv->host_node) |