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drm/exynos: hdmi: consider APB PHY

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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@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Inki Dae 2014-03-06 14:18:17 +09:00 • committed by Inki Dae
parent 90672f92ca
commit bfe4e84c6b
1 changed files with 23 additions and 3 deletions
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26
drivers/gpu/drm/exynos/exynos_hdmi.c
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@ -64,6 +64,11 @@ 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;
@ -199,6 +204,14 @@ 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[] = {
{
@ -2025,10 +2038,10 @@ 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 */
}
@ -2042,6 +2055,7 @@ 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)
@ -2062,7 +2076,9 @@ 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;
@ -2096,6 +2112,10 @@ 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) {