diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2015-03-19 13:45:41 +0000 |
|---|---|---|
| committer | Ashutosh Singh <ashutosh.singh@arm.com> | 2015-05-12 11:02:10 +0100 |
| commit | 363bc040759efc90944419feb46477df09f607c3 (patch) | |
| tree | cf5c4a55738e871376bd6117eea4d57a8098a805 | |
| parent | dd2d2696b34808736101f59b0b67e7cebe507d1b (diff) | |
drm/i2c: tda998x: add DT support
This patch adds DT support to the tda998x.
Change-Id: I8070deecec62e080ef824be43121738bcfc132e7
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | drivers/gpu/drm/i2c/tda998x_drv.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index e87ad93fa6e..f4a4d27a30b 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -1159,6 +1159,9 @@ tda998x_encoder_init(struct i2c_client *client, { struct drm_encoder *encoder = &encoder_slave->base; struct tda998x_priv *priv; + struct device_node *np = client->dev.of_node; + int ret; + u32 video; unsigned short cec_addr; priv = kzalloc(sizeof(*priv), GFP_KERNEL); @@ -1218,6 +1221,17 @@ tda998x_encoder_init(struct i2c_client *client, cec_write(encoder, REG_CEC_FRO_IM_CLK_CTRL, CEC_FRO_IM_CLK_CTRL_GHOST_DIS | CEC_FRO_IM_CLK_CTRL_IMCLK_SEL); + if (!np) + return 0; /* non-DT */ + + /* get the optional video properties */ + ret = of_property_read_u32(np, "video-ports", &video); + if (ret == 0) { + priv->vip_cntrl_0 = video >> 16; + priv->vip_cntrl_1 = video >> 8; + priv->vip_cntrl_2 = video; + } + return 0; fail: @@ -1232,6 +1246,14 @@ fail: return -ENXIO; } +#ifdef CONFIG_OF +static const struct of_device_id tda998x_dt_ids[] = { + { .compatible = "nxp,tda998x", }, + { } +}; +MODULE_DEVICE_TABLE(of, tda998x_dt_ids); +#endif + static struct i2c_device_id tda998x_ids[] = { { "tda998x", 0 }, { } @@ -1244,6 +1266,7 @@ static struct drm_i2c_encoder_driver tda998x_driver = { .remove = tda998x_remove, .driver = { .name = "tda998x", + .of_match_table = of_match_ptr(tda998x_dt_ids), }, .id_table = tda998x_ids, }, |