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Commit 0d44ea19 authored by Jean-Francois Moine's avatar Jean-Francois Moine Committed by Russell King
Browse files

drm/i2c: tda998x: add DT support 



This patch adds DT support to the tda998x.

Tested-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Acked-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: default avatarJean-Francois Moine <moinejf@free.fr>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 81b53a16

drivers/gpu/drm/i2c/tda998x_drv.c

+22 −0
Original line number Diff line number Diff line
@@ -1172,6 +1172,8 @@ tda998x_encoder_init(struct i2c_client *client, 
		    struct drm_encoder_slave *encoder_slave)

{

	struct tda998x_priv *priv;

	struct device_node *np = client->dev.of_node;

	u32 video;

	int rev_lo, rev_hi, ret;



	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
@@ -1245,6 +1247,17 @@ tda998x_encoder_init(struct i2c_client *client, 
	cec_write(priv, 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:
@@ -1259,6 +1272,14 @@ 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 },

	{ }
@@ -1271,6 +1292,7 @@ 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,

	},