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authorStephane Viau <sviau@codeaurora.org>2015-09-15 08:41:49 -0400
committerRob Clark <robdclark@gmail.com>2015-10-22 15:39:55 -0400
commit0afbe59edd3fd3618da67b4835b57ebcc4ac3abd (patch)
tree4b43e989853d7e0280bf3324a9dc20c4128d2af8
parentd40325b43750eb4a8a81240e36fe38e9ccbcc9eb (diff)
drm/msm/hdmi: Add basic HDMI support for msm8996
The HDMI controller is new in MDP5 v1.7. As of now, this change doesn't reflect the novelty and only adds the basics so the probe gets triggered. Signed-off-by: Stephane Viau <sviau@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
-rw-r--r--Documentation/devicetree/bindings/drm/msm/hdmi.txt3
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.c17
2 files changed, 17 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/drm/msm/hdmi.txt b/Documentation/devicetree/bindings/drm/msm/hdmi.txt
index e926239e1101..379ee2ea9a3d 100644
--- a/Documentation/devicetree/bindings/drm/msm/hdmi.txt
+++ b/Documentation/devicetree/bindings/drm/msm/hdmi.txt
@@ -2,6 +2,7 @@ Qualcomm adreno/snapdragon hdmi output
Required properties:
- compatible: one of the following
+ * "qcom,hdmi-tx-8996"
* "qcom,hdmi-tx-8994"
* "qcom,hdmi-tx-8084"
* "qcom,hdmi-tx-8974"
@@ -21,6 +22,7 @@ Required properties:
Optional properties:
- qcom,hdmi-tx-mux-en-gpio: hdmi mux enable pin
- qcom,hdmi-tx-mux-sel-gpio: hdmi mux select pin
+- power-domains: reference to the power domain(s), if available.
- pinctrl-names: the pin control state names; should contain "default"
- pinctrl-0: the default pinctrl state (active)
- pinctrl-1: the "sleep" pinctrl state
@@ -35,6 +37,7 @@ Example:
reg-names = "core_physical";
reg = <0x04a00000 0x1000>;
interrupts = <GIC_SPI 79 0>;
+ power-domains = <&mmcc MDSS_GDSC>;
clock-names =
"core_clk",
"master_iface_clk",
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 101b324cdeef..1f4a95eeb348 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -328,6 +328,9 @@ fail:
.item ## _names = item ##_names_ ## entry, \
.item ## _cnt = ARRAY_SIZE(item ## _names_ ## entry)
+static const char *pwr_reg_names_none[] = {};
+static const char *hpd_reg_names_none[] = {};
+
static struct hdmi_platform_config hdmi_tx_8660_config = {
.phy_init = hdmi_phy_8x60_init,
};
@@ -367,18 +370,26 @@ static struct hdmi_platform_config hdmi_tx_8084_config = {
.hpd_freq = hpd_clk_freq_8x74,
};
-static const char *hpd_reg_names_8x94[] = {};
-
static struct hdmi_platform_config hdmi_tx_8994_config = {
.phy_init = NULL, /* nothing to do for this HDMI PHY 20nm */
HDMI_CFG(pwr_reg, 8x74),
- HDMI_CFG(hpd_reg, 8x94),
+ HDMI_CFG(hpd_reg, none),
+ HDMI_CFG(pwr_clk, 8x74),
+ HDMI_CFG(hpd_clk, 8x74),
+ .hpd_freq = hpd_clk_freq_8x74,
+};
+
+static struct hdmi_platform_config hdmi_tx_8996_config = {
+ .phy_init = NULL,
+ HDMI_CFG(pwr_reg, none),
+ HDMI_CFG(hpd_reg, none),
HDMI_CFG(pwr_clk, 8x74),
HDMI_CFG(hpd_clk, 8x74),
.hpd_freq = hpd_clk_freq_8x74,
};
static const struct of_device_id dt_match[] = {
+ { .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8996_config },
{ .compatible = "qcom,hdmi-tx-8994", .data = &hdmi_tx_8994_config },
{ .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8084_config },
{ .compatible = "qcom,hdmi-tx-8974", .data = &hdmi_tx_8974_config },