linux-kernel - [PATCH] drm: bridge/dw-hdmi: Add support for DWC Phy

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Message-Id: <cc2585220ddcb99051788b5f8d2e7284a97d44fa.1465829765.git.joabreu@synopsys.com>
Date:	Mon, 13 Jun 2016 16:24:32 +0100
From:	Jose Abreu <Jose.Abreu@...opsys.com>
To:	dri-devel@...ts.freedesktop.org
Cc:	Jose Abreu <Jose.Abreu@...opsys.com>,
	Carlos Palminha <CARLOS.PALMINHA@...opsys.com>,
	David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org
Subject: [PATCH] drm: bridge/dw-hdmi: Add support for DWC Phy

This patch adds support for the Synopsys HDMI TX Phy in
bridge dw-hdmi.

The init flow is the same as the Rockchip Phy so we
only need to add one define and one if statement.

Signed-off-by: Jose Abreu <joabreu@...opsys.com>
Cc: Carlos Palminha <palminha@...opsys.com>
Cc: David Airlie <airlied@...ux.ie>
Cc: dri-devel@...ts.freedesktop.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/gpu/drm/bridge/dw-hdmi.c | 2 +-
 include/drm/bridge/dw_hdmi.h     | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
index c9d9412..13e33ea 100644
--- a/drivers/gpu/drm/bridge/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi.c
@@ -833,7 +833,7 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep,
 	dw_hdmi_phy_gen2_txpwron(hdmi, 1);
 	dw_hdmi_phy_gen2_pddq(hdmi, 0);
 
-	if (hdmi->dev_type == RK3288_HDMI)
+	if ((hdmi->dev_type == RK3288_HDMI) || (hdmi->dev_type == DWC_HDMI))
 		dw_hdmi_phy_enable_spare(hdmi, 1);
 
 	/*Wait for PHY PLL lock */
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index bae79f3..6e4fb2e 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -25,6 +25,7 @@ enum dw_hdmi_devtype {
 	IMX6Q_HDMI,
 	IMX6DL_HDMI,
 	RK3288_HDMI,
+	DWC_HDMI,
 };
 
 struct dw_hdmi_mpll_config {
-- 
2.1.4