drm/mediatek: Separate mtk_hdmi_phy to an independent module

mtk_hdmi_phy is a part of mtk_hdmi module, but phy driver should be an
independent module rather than be part of drm module, so separate the phy
driver to an independent module.

Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Tested-by: Frank Wunderlich <frank-w@public-files.de>

diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig
index aa74aac..6363f2c 100644 (file)
--- a/drivers/gpu/drm/mediatek/Kconfig
+++ b/drivers/gpu/drm/mediatek/Kconfig
@@ -24,6 +24,13 @@ config DRM_MEDIATEK_HDMI
        tristate "DRM HDMI Support for Mediatek SoCs"
        depends on DRM_MEDIATEK
        select SND_SOC_HDMI_CODEC if SND_SOC
-       select GENERIC_PHY
+       select PHY_MTK_HDMI
        help
          DRM/KMS HDMI driver for Mediatek SoCs
+
+config PHY_MTK_HDMI
+       tristate "MediaTek HDMI-PHY Driver"
+       depends on ARCH_MEDIATEK && OF
+       select GENERIC_PHY
+       help
+         Support HDMI PHY for Mediatek SoCs.

diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile
index b7a82ed..fcbef23 100644 (file)
--- a/drivers/gpu/drm/mediatek/Makefile
+++ b/drivers/gpu/drm/mediatek/Makefile
@@ -19,9 +19,12 @@ obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o
 
 mediatek-drm-hdmi-objs := mtk_cec.o \
                          mtk_hdmi.o \
-                         mtk_hdmi_ddc.o \
-                         mtk_mt2701_hdmi_phy.o \
-                         mtk_mt8173_hdmi_phy.o \
-                         mtk_hdmi_phy.o
+                         mtk_hdmi_ddc.o
 
 obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mediatek-drm-hdmi.o
+
+phy-mtk-hdmi-drv-objs := mtk_hdmi_phy.o \
+                        mtk_mt2701_hdmi_phy.o \
+                        mtk_mt8173_hdmi_phy.o
+
+obj-$(CONFIG_PHY_MTK_HDMI) += phy-mtk-hdmi-drv.o

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index d44348c..0ed7b0b 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -12,6 +12,7 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/of_platform.h>
 #include <linux/of.h>
@@ -1832,7 +1833,6 @@ static struct platform_driver mtk_hdmi_driver = {
 };
 
 static struct platform_driver * const mtk_hdmi_drivers[] = {
-       &mtk_hdmi_phy_driver,
        &mtk_hdmi_ddc_driver,
        &mtk_cec_driver,
        &mtk_hdmi_driver,

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.h b/drivers/gpu/drm/mediatek/mtk_hdmi.h
index bb3653d..472bf14 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.h
@@ -5,7 +5,6 @@
  */
 #ifndef _MTK_HDMI_CTRL_H
 #define _MTK_HDMI_CTRL_H
-#include "mtk_hdmi_phy.h"
 
 struct platform_driver;
 

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
index 5223498..fe022ac 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
@@ -205,6 +205,7 @@ struct platform_driver mtk_hdmi_phy_driver = {
                .of_match_table = mtk_hdmi_phy_match,
        },
 };
+module_platform_driver(mtk_hdmi_phy_driver);
 
 MODULE_DESCRIPTION("MediaTek HDMI PHY Driver");
 MODULE_LICENSE("GPL v2");

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
index fc1c2ef..b13e1d5 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
@@ -49,7 +49,6 @@ void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
                       u32 val, u32 mask);
 struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw);
 
-extern struct platform_driver mtk_hdmi_phy_driver;
 extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
 extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf;