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drm/bridge/analogix: anx6345: Add support for rockchip logo

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Change-Id: I97c1f8a3cc69fb689b0598b76d5defdccfb010e2
Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
This commit is contained in:
Wyon Bi
2018-12-18 18:47:35 +08:00
parent 6295827995
commit 08d71ab565
1 changed files with 11 additions and 5 deletions
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16
drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
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@@ -315,6 +315,7 @@ static void anx6345_poweron(struct anx6345 *anx6345)
{
struct anx6345_platform_data *pdata = &anx6345->pdata;
int err;
u32 idl;
if (WARN_ON(anx6345->powered))
return;
@@ -350,14 +351,17 @@ static void anx6345_poweron(struct anx6345 *anx6345)
}
}
gpiod_set_value_cansleep(pdata->gpiod_reset, 1);
usleep_range(1000, 2000);
err = regmap_read(anx6345->map[I2C_IDX_TXCOM], SP_DEVICE_IDL_REG, &idl);
if (err) {
gpiod_direction_output(pdata->gpiod_reset, 1);
usleep_range(1000, 2000);
gpiod_set_value_cansleep(pdata->gpiod_reset, 0);
gpiod_direction_output(pdata->gpiod_reset, 0);
}
/* Power on registers module */
anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_POWERDOWN_CTRL_REG,
SP_HDCP_PD | SP_AUDIO_PD | SP_VIDEO_PD | SP_LINK_PD);
SP_HDCP_PD | SP_AUDIO_PD);
anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM], SP_POWERDOWN_CTRL_REG,
SP_REGISTER_PD | SP_TOTAL_PD);
@@ -469,7 +473,7 @@ static int anx6345_init_pdata(struct anx6345 *anx6345)
}
/* GPIO for chip reset */
pdata->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
pdata->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_ASIS);
return PTR_ERR_OR_ZERO(pdata->gpiod_reset);
}
@@ -586,6 +590,7 @@ unlock:
static const struct drm_connector_helper_funcs anx6345_connector_helper_funcs = {
.get_modes = anx6345_get_modes,
.best_encoder = drm_atomic_helper_best_encoder,
};
static enum drm_connector_status anx6345_detect(struct drm_connector *connector,
@@ -635,6 +640,7 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge)
drm_connector_helper_add(&anx6345->connector,
&anx6345_connector_helper_funcs);
anx6345->connector.port = anx6345->client->dev.of_node;
anx6345->connector.polled = DRM_CONNECTOR_POLL_HPD;
err = drm_mode_connector_attach_encoder(&anx6345->connector,