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drm/exynos: add hdmiphy power on/off sequence

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This patch implements the power on/off sequence
of HDMI PHY in exynos5420 and exynos5250 as provided
by the hardware team.

This has been verified for mulitple iterations of
S2R.

Signed-off-by: Shirish S <s.shirish@samsung.com>
Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Shirish S
2014-04-03 20:41:02 +05:30
committed by Inki Dae
parent 85a64f7cc9
commit 6a296e2049
2 changed files with 40 additions and 7 deletions
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7
drivers/gpu/drm/exynos/regs-hdmi.h
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@@ -579,7 +579,12 @@
#define HDMI_TG_3D HDMI_TG_BASE(0x00F0)
/* HDMI PHY Registers Offsets*/
#define HDMIPHY_MODE_SET_DONE (0x7C >> 2)
#define HDMIPHY_POWER (0x74 >> 2)
#define HDMIPHY_MODE_SET_DONE (0x7c >> 2)
/* HDMI PHY Values */
#define HDMI_PHY_POWER_ON 0x80
#define HDMI_PHY_POWER_OFF 0xff
/* HDMI PHY Values */
#define HDMI_PHY_DISABLE_MODE_SET 0x80