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drm/msm/hdmi: Add basic HDMI support for msm8996

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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
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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 },