From 0afbe59edd3fd3618da67b4835b57ebcc4ac3abd Mon Sep 17 00:00:00 2001
From: Stephane Viau <sviau@codeaurora.org>
Date: Tue, 15 Sep 2015 08:41:49 -0400
Subject: [PATCH] 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>
---
.../devicetree/bindings/drm/msm/hdmi.txt | 3 +++
drivers/gpu/drm/msm/hdmi/hdmi.c | 17 ++++++++++++++---
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 @@ int hdmi_modeset_init(struct hdmi *hdmi,
.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 },
--
GitLab