This patch returns error in case of using APB PHY.
Exynos5420 SoC and maybe later would use APB PHY instead of
I2C PHY so such case should be considered.
Signed-off-by: Inki Dae <inki.dae at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
drivers/gpu/drm/exynos/exynos_hdmi.c | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c
b/drivers/gpu/drm/exynos/exynos_hdmi.c
index e6ce363..b695398 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -63,6 +63,11 @@ enum hdmi_type {
HDMI_TYPE14,
};
+struct hdmi_driver_data {
+ unsigned int type;
+ unsigned int is_apb_phy:1;
+};
+
struct hdmi_resources {
struct clk *hdmi;
struct clk *sclk_hdmi;
@@ -197,6 +202,14 @@ struct hdmiphy_config {
u8 conf[32];
};
+struct hdmi_driver_data exynos4212_hdmi_driver_data = {
+ .type = HDMI_TYPE14,
+};
+
+struct hdmi_driver_data exynos5_hdmi_driver_data = {
+ .type = HDMI_TYPE14,
+};
+
/* list of phy config settings */
static const struct hdmiphy_config hdmiphy_v13_configs[] = {
{
@@ -1959,10 +1972,10 @@ err_data:
static struct of_device_id hdmi_match_types[] = {
{
.compatible = "samsung,exynos5-hdmi",
- .data = (void *)HDMI_TYPE14,
+ .data = &exynos5_hdmi_driver_data,
}, {
.compatible = "samsung,exynos4212-hdmi",
- .data = (void *)HDMI_TYPE14,
+ .data = &exynos4212_hdmi_driver_data,
}, {
/* end node */
}
@@ -1976,6 +1989,7 @@ static int hdmi_probe(struct platform_device *pdev)
struct resource *res;
const struct of_device_id *match;
struct device_node *ddc_node, *phy_node;
+ struct hdmi_driver_data *drv_data;
int ret;
if (!dev->of_node)
@@ -1996,7 +2010,9 @@ static int hdmi_probe(struct platform_device *pdev)
match = of_match_node(hdmi_match_types, dev->of_node);
if (!match)
return -ENODEV;
- hdata->type = (enum hdmi_type)match->data;
+
+ drv_data = (struct hdmi_driver_data *)match->data;
+ hdata->type = drv_data->type;
hdata->hpd_gpio = pdata->hpd_gpio;
hdata->dev = dev;
@@ -2030,6 +2046,10 @@ static int hdmi_probe(struct platform_device *pdev)
return -ENODEV;
}
+ /* Not support APB PHY yet. */
+ if (drv_data->is_apb_phy)
+ return -EPERM;
+
/* hdmiphy i2c driver */
phy_node = of_parse_phandle(dev->of_node, "phy", 0);
if (!phy_node) {
--
1.7.9.5
