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phy: Add HDMI configuration options

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Allow HDMI PHYs to be configured through the generic
functions through a custom structure added to the generic union.

The parameters added here are based on HDMI PHY
implementation practices.  The current set of parameters
should cover the potential users.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/d1cff6c03ec3732d2244022029245ab2d954d997.1734340233.git.Sandor.yu@nxp.com
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20250318-phy-sam-hdptx-bpc-v6-1-8cb1678e7663@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Sandor Yu
2025-03-18 14:35:35 +02:00
committed by Vinod Koul
parent dfc820d2f8
commit 10ed34d6ea
2 changed files with 25 additions and 1 deletions
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19
include/linux/phy/phy-hdmi.h Normal file
View File

@@ -0,0 +1,19 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2022,2024 NXP
*/
#ifndef __PHY_HDMI_H_
#define __PHY_HDMI_H_
/**
* struct phy_configure_opts_hdmi - HDMI configuration set
* @tmds_char_rate: HDMI TMDS Character Rate in Hertz.
*
* This structure is used to represent the configuration state of a HDMI phy.
*/
struct phy_configure_opts_hdmi {
unsigned long long tmds_char_rate;
};
#endif /* __PHY_HDMI_H_ */

7
include/linux/phy/phy.h
View File

@@ -17,6 +17,7 @@
#include <linux/regulator/consumer.h>
#include <linux/phy/phy-dp.h>
#include <linux/phy/phy-hdmi.h>
#include <linux/phy/phy-lvds.h>
#include <linux/phy/phy-mipi-dphy.h>
@@ -42,7 +43,8 @@ enum phy_mode {
PHY_MODE_MIPI_DPHY,
PHY_MODE_SATA,
PHY_MODE_LVDS,
PHY_MODE_DP
PHY_MODE_DP,
PHY_MODE_HDMI,
};
enum phy_media {
@@ -60,11 +62,14 @@ enum phy_media {
* the DisplayPort protocol.
* @lvds: Configuration set applicable for phys supporting
* the LVDS phy mode.
* @hdmi: Configuration set applicable for phys supporting
* the HDMI phy mode.
*/
union phy_configure_opts {
struct phy_configure_opts_mipi_dphy mipi_dphy;
struct phy_configure_opts_dp dp;
struct phy_configure_opts_lvds lvds;
struct phy_configure_opts_hdmi hdmi;
};
/**