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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>
This commit is contained in:
Stephane Viau 2015-09-15 08:41:49 -04:00 committed by Rob Clark
parent d40325b437
commit 0afbe59edd
2 changed files with 17 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/devicetree/bindings/drm/msm/hdmi.txt
View File

@ -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",

17
drivers/gpu/drm/msm/hdmi/hdmi.c
View File

@ -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 },