Merge branch 'mediatek-drm-next-4.20' of...

Merge branch 'mediatek-drm-next-4.20' of https://github.com/ckhu-mediatek/linux.git-tags into drm-next

This include hdmi output support for mt2701 and mt7623.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1538616148.28906.1.camel@mtksdaap41

drivers/gpu/drm/mediatek/Makefile

 # SPDX-License-Identifier: GPL-2.0
+
 mediatek-drm-y := mtk_disp_color.o \
 		  mtk_disp_ovl.o \
 		  mtk_disp_rdma.o \
@@ -18,6 +19,8 @@ obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o
 mediatek-drm-hdmi-objs := mtk_cec.o \
 			  mtk_hdmi.o \
 			  mtk_hdmi_ddc.o \
-			  mtk_mt8173_hdmi_phy.o
+                          mtk_mt2701_hdmi_phy.o \
+			  mtk_mt8173_hdmi_phy.o \
+			  mtk_hdmi_phy.o
 
 obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mediatek-drm-hdmi.o

drivers/gpu/drm/mediatek/mtk_dpi.c

@@ -14,10 +14,12 @@
 #include <drm/drmP.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_crtc_helper.h>
+#include <drm/drm_of.h>
 #include <linux/kernel.h>
 #include <linux/component.h>
 #include <linux/platform_device.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/of_graph.h>
 #include <linux/interrupt.h>
 #include <linux/types.h>
@@ -72,12 +74,12 @@ struct mtk_dpi {
 	struct clk *tvd_clk;
 	int irq;
 	struct drm_display_mode mode;
+	const struct mtk_dpi_conf *conf;
 	enum mtk_dpi_out_color_format color_format;
 	enum mtk_dpi_out_yc_map yc_map;
 	enum mtk_dpi_out_bit_num bit_num;
 	enum mtk_dpi_out_channel_swap channel_swap;
-	bool power_sta;
-	u8 power_ctl;
+	int refcount;
 };
 
 static inline struct mtk_dpi *mtk_dpi_from_encoder(struct drm_encoder *e)
@@ -90,11 +92,6 @@ enum mtk_dpi_polarity {
 	MTK_DPI_POLARITY_FALLING,
 };
 
-enum mtk_dpi_power_ctl {
-	DPI_POWER_START = BIT(0),
-	DPI_POWER_ENABLE = BIT(1),
-};
-
 struct mtk_dpi_polarities {
 	enum mtk_dpi_polarity de_pol;
 	enum mtk_dpi_polarity ck_pol;
@@ -116,6 +113,12 @@ struct mtk_dpi_yc_limit {
 	u16 c_bottom;
 };
 
+struct mtk_dpi_conf {
+	unsigned int (*cal_factor)(int clock);
+	u32 reg_h_fre_con;
+	bool edge_sel_en;
+};
+
 static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask)
 {
 	u32 tmp = readl(dpi->regs + offset) & ~mask;
@@ -341,7 +344,13 @@ static void mtk_dpi_config_swap_input(struct mtk_dpi *dpi, bool enable)
 
 static void mtk_dpi_config_2n_h_fre(struct mtk_dpi *dpi)
 {
-	mtk_dpi_mask(dpi, DPI_H_FRE_CON, H_FRE_2N, H_FRE_2N);
+	mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, H_FRE_2N, H_FRE_2N);
+}
+
+static void mtk_dpi_config_disable_edge(struct mtk_dpi *dpi)
+{
+	if (dpi->conf->edge_sel_en)
+		mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, 0, EDGE_SEL_EN);
 }
 
 static void mtk_dpi_config_color_format(struct mtk_dpi *dpi,
@@ -367,40 +376,30 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi,
 	}
 }
 
-static void mtk_dpi_power_off(struct mtk_dpi *dpi, enum mtk_dpi_power_ctl pctl)
+static void mtk_dpi_power_off(struct mtk_dpi *dpi)
 {
-	dpi->power_ctl &= ~pctl;
-
-	if ((dpi->power_ctl & DPI_POWER_START) ||
-	    (dpi->power_ctl & DPI_POWER_ENABLE))
+	if (WARN_ON(dpi->refcount == 0))
 		return;
 
-	if (!dpi->power_sta)
+	if (--dpi->refcount != 0)
 		return;
 
 	mtk_dpi_disable(dpi);
 	clk_disable_unprepare(dpi->pixel_clk);
 	clk_disable_unprepare(dpi->engine_clk);
-	dpi->power_sta = false;
 }
 
-static int mtk_dpi_power_on(struct mtk_dpi *dpi, enum mtk_dpi_power_ctl pctl)
+static int mtk_dpi_power_on(struct mtk_dpi *dpi)
 {
 	int ret;
 
-	dpi->power_ctl |= pctl;
-
-	if (!(dpi->power_ctl & DPI_POWER_START) &&
-	    !(dpi->power_ctl & DPI_POWER_ENABLE))
-		return 0;
-
-	if (dpi->power_sta)
+	if (++dpi->refcount != 1)
 		return 0;
 
 	ret = clk_prepare_enable(dpi->engine_clk);
 	if (ret) {
 		dev_err(dpi->dev, "Failed to enable engine clock: %d\n", ret);
-		goto err_eng;
+		goto err_refcount;
 	}
 
 	ret = clk_prepare_enable(dpi->pixel_clk);
@@ -410,13 +409,12 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi, enum mtk_dpi_power_ctl pctl)
 	}
 
 	mtk_dpi_enable(dpi);
-	dpi->power_sta = true;
 	return 0;
 
 err_pixel:
 	clk_disable_unprepare(dpi->engine_clk);
-err_eng:
-	dpi->power_ctl &= ~pctl;
+err_refcount:
+	dpi->refcount--;
 	return ret;
 }
 
@@ -435,15 +433,7 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
 	unsigned int factor;
 
 	/* let pll_rate can fix the valid range of tvdpll (1G~2GHz) */
-
-	if (mode->clock <= 27000)
-		factor = 3 << 4;
-	else if (mode->clock <= 84000)
-		factor = 3 << 3;
-	else if (mode->clock <= 167000)
-		factor = 3 << 2;
-	else
-		factor = 3 << 1;
+	factor = dpi->conf->cal_factor(mode->clock);
 	drm_display_mode_to_videomode(mode, &vm);
 	pll_rate = vm.pixelclock * factor;
 
@@ -518,6 +508,7 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
 	mtk_dpi_config_yc_map(dpi, dpi->yc_map);
 	mtk_dpi_config_color_format(dpi, dpi->color_format);
 	mtk_dpi_config_2n_h_fre(dpi);
+	mtk_dpi_config_disable_edge(dpi);
 	mtk_dpi_sw_reset(dpi, false);
 
 	return 0;
@@ -552,14 +543,14 @@ static void mtk_dpi_encoder_disable(struct drm_encoder *encoder)
 {
 	struct mtk_dpi *dpi = mtk_dpi_from_encoder(encoder);
 
-	mtk_dpi_power_off(dpi, DPI_POWER_ENABLE);
+	mtk_dpi_power_off(dpi);
 }
 
 static void mtk_dpi_encoder_enable(struct drm_encoder *encoder)
 {
 	struct mtk_dpi *dpi = mtk_dpi_from_encoder(encoder);
 
-	mtk_dpi_power_on(dpi, DPI_POWER_ENABLE);
+	mtk_dpi_power_on(dpi);
 	mtk_dpi_set_display_mode(dpi, &dpi->mode);
 }
 
@@ -582,14 +573,14 @@ static void mtk_dpi_start(struct mtk_ddp_comp *comp)
 {
 	struct mtk_dpi *dpi = container_of(comp, struct mtk_dpi, ddp_comp);
 
-	mtk_dpi_power_on(dpi, DPI_POWER_START);
+	mtk_dpi_power_on(dpi);
 }
 
 static void mtk_dpi_stop(struct mtk_ddp_comp *comp)
 {
 	struct mtk_dpi *dpi = container_of(comp, struct mtk_dpi, ddp_comp);
 
-	mtk_dpi_power_off(dpi, DPI_POWER_START);
+	mtk_dpi_power_off(dpi);
 }
 
 static const struct mtk_ddp_comp_funcs mtk_dpi_funcs = {
@@ -656,12 +647,46 @@ static const struct component_ops mtk_dpi_component_ops = {
 	.unbind = mtk_dpi_unbind,
 };
 
+static unsigned int mt8173_calculate_factor(int clock)
+{
+	if (clock <= 27000)
+		return 3 << 4;
+	else if (clock <= 84000)
+		return 3 << 3;
+	else if (clock <= 167000)
+		return 3 << 2;
+	else
+		return 3 << 1;
+}
+
+static unsigned int mt2701_calculate_factor(int clock)
+{
+	if (clock <= 64000)
+		return 16;
+	else if (clock <= 128000)
+		return 8;
+	else if (clock <= 256000)
+		return 4;
+	else
+		return 2;
+}
+
+static const struct mtk_dpi_conf mt8173_conf = {
+	.cal_factor = mt8173_calculate_factor,
+	.reg_h_fre_con = 0xe0,
+};
+
+static const struct mtk_dpi_conf mt2701_conf = {
+	.cal_factor = mt2701_calculate_factor,
+	.reg_h_fre_con = 0xb0,
+	.edge_sel_en = true,
+};
+
 static int mtk_dpi_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct mtk_dpi *dpi;
 	struct resource *mem;
-	struct device_node *bridge_node;
 	int comp_id;
 	int ret;
 
@@ -670,6 +695,7 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	dpi->dev = dev;
+	dpi->conf = (struct mtk_dpi_conf *)of_device_get_match_data(dev);
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	dpi->regs = devm_ioremap_resource(dev, mem);
@@ -706,16 +732,12 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	bridge_node = of_graph_get_remote_node(dev->of_node, 0, 0);
-	if (!bridge_node)
-		return -ENODEV;
-
-	dev_info(dev, "Found bridge node: %pOF\n", bridge_node);
+	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
+					  NULL, &dpi->bridge);
+	if (ret)
+		return ret;
 
-	dpi->bridge = of_drm_find_bridge(bridge_node);
-	of_node_put(bridge_node);
-	if (!dpi->bridge)
-		return -EPROBE_DEFER;
+	dev_info(dev, "Found bridge node: %pOF\n", dpi->bridge->of_node);
 
 	comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DPI);
 	if (comp_id < 0) {
@@ -749,8 +771,13 @@ static int mtk_dpi_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id mtk_dpi_of_ids[] = {
-	{ .compatible = "mediatek,mt8173-dpi", },
-	{}
+	{ .compatible = "mediatek,mt2701-dpi",
+	  .data = &mt2701_conf,
+	},
+	{ .compatible = "mediatek,mt8173-dpi",
+	  .data = &mt8173_conf,
+	},
+	{ },
 };
 
 struct platform_driver mtk_dpi_driver = {

drivers/gpu/drm/mediatek/mtk_dpi_regs.h

@@ -223,6 +223,6 @@
 #define ESAV_CODE2			(0xFFF << 0)
 #define ESAV_CODE3_MSB			BIT(16)
 
-#define DPI_H_FRE_CON		0xE0
+#define EDGE_SEL_EN			BIT(5)
 #define H_FRE_2N			BIT(25)
 #endif /* __MTK_DPI_REGS_H */

drivers/gpu/drm/mediatek/mtk_drm_ddp.c

@@ -39,6 +39,7 @@
 #define DISP_REG_CONFIG_DISP_OVL_MOUT_EN	0x030
 #define DISP_REG_CONFIG_OUT_SEL			0x04c
 #define DISP_REG_CONFIG_DSI_SEL			0x050
+#define DISP_REG_CONFIG_DPI_SEL			0x064
 
 #define DISP_REG_MUTEX_EN(n)	(0x20 + 0x20 * (n))
 #define DISP_REG_MUTEX(n)	(0x24 + 0x20 * (n))
@@ -136,7 +137,10 @@
 
 #define OVL_MOUT_EN_RDMA		0x1
 #define BLS_TO_DSI_RDMA1_TO_DPI1	0x8
+#define BLS_TO_DPI_RDMA1_TO_DSI		0x2
 #define DSI_SEL_IN_BLS			0x0
+#define DPI_SEL_IN_BLS			0x0
+#define DSI_SEL_IN_RDMA			0x1
 
 struct mtk_disp_mutex {
 	int id;
@@ -339,9 +343,17 @@ static void mtk_ddp_sout_sel(void __iomem *config_regs,
 			     enum mtk_ddp_comp_id cur,
 			     enum mtk_ddp_comp_id next)
 {
-	if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0)
+	if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
 		writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
 			       config_regs + DISP_REG_CONFIG_OUT_SEL);
+	} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
+		writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
+			       config_regs + DISP_REG_CONFIG_OUT_SEL);
+		writel_relaxed(DSI_SEL_IN_RDMA,
+			       config_regs + DISP_REG_CONFIG_DSI_SEL);
+		writel_relaxed(DPI_SEL_IN_BLS,
+			       config_regs + DISP_REG_CONFIG_DPI_SEL);
+	}
 }
 
 void mtk_ddp_add_comp_to_path(void __iomem *config_regs,

drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c

@@ -294,7 +294,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
 	comp->irq = of_irq_get(node, 0);
 	comp->clk = of_clk_get(node, 0);
 	if (IS_ERR(comp->clk))
-		comp->clk = NULL;
+		return PTR_ERR(comp->clk);
 
 	/* Only DMA capable components need the LARB property */
 	comp->larb_dev = NULL;

drivers/gpu/drm/mediatek/mtk_drm_drv.c

@@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DSI },
 	{ .compatible = "mediatek,mt8173-dsi",
 	  .data = (void *)MTK_DSI },
+	{ .compatible = "mediatek,mt2701-dpi",
+	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt8173-dpi",
 	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt2701-disp-mutex",

drivers/gpu/drm/mediatek/mtk_hdmi.c

@@ -233,6 +233,7 @@ static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black)
 static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
 {
 	struct arm_smccc_res res;
+	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(hdmi->phy);
 
 	/*
 	 * MT8173 HDMI hardware has an output control bit to enable/disable HDMI
@@ -240,8 +241,13 @@ static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
 	 * The ARM trusted firmware provides an API for the HDMI driver to set
 	 * this control bit to enable HDMI output in supervisor mode.
 	 */
-	arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904, 0x80000000,
-		      0, 0, 0, 0, 0, &res);
+	if (hdmi_phy->conf && hdmi_phy->conf->tz_disabled)
+		regmap_update_bits(hdmi->sys_regmap,
+				   hdmi->sys_offset + HDMI_SYS_CFG20,
+				   0x80008005, enable ? 0x80000005 : 0x8000);
+	else
+		arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904,
+			      0x80000000, 0, 0, 0, 0, 0, &res);
 
 	regmap_update_bits(hdmi->sys_regmap, hdmi->sys_offset + HDMI_SYS_CFG20,
 			   HDMI_PCLK_FREE_RUN, enable ? HDMI_PCLK_FREE_RUN : 0);
@@ -1575,6 +1581,11 @@ static int mtk_hdmi_audio_hw_params(struct device *dev, void *data,
 		hdmi_params.aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
 		hdmi_params.aud_mclk = HDMI_AUD_MCLK_128FS;
 		break;
+	case HDMI_SPDIF:
+		hdmi_params.aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
+		hdmi_params.aud_sampe_size = HDMI_AUDIO_SAMPLE_SIZE_16;
+		hdmi_params.aud_input_type = HDMI_AUD_INPUT_SPDIF;
+		break;
 	default:
 		dev_err(hdmi->dev, "%s: Invalid DAI format %d\n", __func__,
 			daifmt->fmt);

drivers/gpu/drm/mediatek/mtk_hdmi.h

@@ -13,11 +13,11 @@
  */
 #ifndef _MTK_HDMI_CTRL_H
 #define _MTK_HDMI_CTRL_H
+#include "mtk_hdmi_phy.h"
 
 struct platform_driver;
 
 extern struct platform_driver mtk_cec_driver;
 extern struct platform_driver mtk_hdmi_ddc_driver;
-extern struct platform_driver mtk_hdmi_phy_driver;
 
 #endif /* _MTK_HDMI_CTRL_H */

drivers/gpu/drm/mediatek/mtk_hdmi_phy.c

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Jie Qiu <jie.qiu@mediatek.com>
+ */
+
+#include "mtk_hdmi_phy.h"
+
+static int mtk_hdmi_phy_power_on(struct phy *phy);
+static int mtk_hdmi_phy_power_off(struct phy *phy);
+
+static const struct phy_ops mtk_hdmi_phy_dev_ops = {
+	.power_on = mtk_hdmi_phy_power_on,
+	.power_off = mtk_hdmi_phy_power_off,
+	.owner = THIS_MODULE,
+};
+
+long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+			     unsigned long *parent_rate)
+{
+	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+	hdmi_phy->pll_rate = rate;
+	if (rate <= 74250000)
+		*parent_rate = rate;
+	else
+		*parent_rate = rate / 2;
+
+	return rate;
+}
+
+unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
+				       unsigned long parent_rate)
+{
+	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+	return hdmi_phy->pll_rate;
+}
+
+void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+			     u32 bits)
+{
+	void __iomem *reg = hdmi_phy->regs + offset;
+	u32 tmp;
+
+	tmp = readl(reg);
+	tmp &= ~bits;
+	writel(tmp, reg);
+}
+
+void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+			   u32 bits)
+{
+	void __iomem *reg = hdmi_phy->regs + offset;
+	u32 tmp;
+
+	tmp = readl(reg);
+	tmp |= bits;
+	writel(tmp, reg);
+}
+
+void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+		       u32 val, u32 mask)
+{
+	void __iomem *reg = hdmi_phy->regs + offset;
+	u32 tmp;
+
+	tmp = readl(reg);
+	tmp = (tmp & ~mask) | (val & mask);
+	writel(tmp, reg);
+}
+
+inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
+{
+	return container_of(hw, struct mtk_hdmi_phy, pll_hw);
+}
+
+static int mtk_hdmi_phy_power_on(struct phy *phy)
+{
+	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
+	int ret;
+
+	ret = clk_prepare_enable(hdmi_phy->pll);
+	if (ret < 0)
+		return ret;
+
+	hdmi_phy->conf->hdmi_phy_enable_tmds(hdmi_phy);
+	return 0;
+}
+
+static int mtk_hdmi_phy_power_off(struct phy *phy)
+{
+	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
+
+	hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);
+	clk_disable_unprepare(hdmi_phy->pll);
+
+	return 0;
+}
+
+static const struct phy_ops *
+mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy)
+{
+	if (hdmi_phy && hdmi_phy->conf &&
+	    hdmi_phy->conf->hdmi_phy_enable_tmds &&
+	    hdmi_phy->conf->hdmi_phy_disable_tmds)
+		return &mtk_hdmi_phy_dev_ops;
+
+	dev_err(hdmi_phy->dev, "Failed to get dev ops of phy\n");
+		return NULL;
+}
+
+static void mtk_hdmi_phy_clk_get_ops(struct mtk_hdmi_phy *hdmi_phy,
+				     const struct clk_ops **ops)
+{
+	if (hdmi_phy && hdmi_phy->conf && hdmi_phy->conf->hdmi_phy_clk_ops)
+		*ops = hdmi_phy->conf->hdmi_phy_clk_ops;
+	else
+		dev_err(hdmi_phy->dev, "Failed to get clk ops of phy\n");
+}
+
+static int mtk_hdmi_phy_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct mtk_hdmi_phy *hdmi_phy;
+	struct resource *mem;
+	struct clk *ref_clk;
+	const char *ref_clk_name;
+	struct clk_init_data clk_init = {
+		.num_parents = 1,
+		.parent_names = (const char * const *)&ref_clk_name,
+		.flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
+	};
+
+	struct phy *phy;
+	struct phy_provider *phy_provider;
+	int ret;
+
+	hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
+	if (!hdmi_phy)
+		return -ENOMEM;
+
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	hdmi_phy->regs = devm_ioremap_resource(dev, mem);
+	if (IS_ERR(hdmi_phy->regs)) {
+		ret = PTR_ERR(hdmi_phy->regs);
+		dev_err(dev, "Failed to get memory resource: %d\n", ret);
+		return ret;
+	}
+
+	ref_clk = devm_clk_get(dev, "pll_ref");
+	if (IS_ERR(ref_clk)) {
+		ret = PTR_ERR(ref_clk);
+		dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",
+			ret);
+		return ret;
+	}
+	ref_clk_name = __clk_get_name(ref_clk);
+
+	ret = of_property_read_string(dev->of_node, "clock-output-names",
+				      &clk_init.name);
+	if (ret < 0) {
+		dev_err(dev, "Failed to read clock-output-names: %d\n", ret);
+		return ret;
+	}
+
+	hdmi_phy->dev = dev;
+	hdmi_phy->conf =
+		(struct mtk_hdmi_phy_conf *)of_device_get_match_data(dev);
+	mtk_hdmi_phy_clk_get_ops(hdmi_phy, &clk_init.ops);
+	hdmi_phy->pll_hw.init = &clk_init;
+	hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
+	if (IS_ERR(hdmi_phy->pll)) {
+		ret = PTR_ERR(hdmi_phy->pll);
+		dev_err(dev, "Failed to register PLL: %d\n", ret);
+		return ret;
+	}
+
+	ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
+				   &hdmi_phy->ibias);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
+		return ret;
+	}
+
+	ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
+				   &hdmi_phy->ibias_up);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);
+		return ret;
+	}
+
+	dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
+	hdmi_phy->drv_imp_clk = 0x30;
+	hdmi_phy->drv_imp_d2 = 0x30;
+	hdmi_phy->drv_imp_d1 = 0x30;
+	hdmi_phy->drv_imp_d0 = 0x30;
+
+	phy = devm_phy_create(dev, NULL, mtk_hdmi_phy_dev_get_ops(hdmi_phy));
+	if (IS_ERR(phy)) {
+		dev_err(dev, "Failed to create HDMI PHY\n");
+		return PTR_ERR(phy);
+	}
+	phy_set_drvdata(phy, hdmi_phy);
+
+	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
+	if (IS_ERR(phy_provider)) {
+		dev_err(dev, "Failed to register HDMI PHY\n");
+		return PTR_ERR(phy_provider);
+	}
+
+	return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
+				   hdmi_phy->pll);
+}
+
+static const struct of_device_id mtk_hdmi_phy_match[] = {
+	{ .compatible = "mediatek,mt2701-hdmi-phy",
+	  .data = &mtk_hdmi_phy_2701_conf,
+	},
+	{ .compatible = "mediatek,mt8173-hdmi-phy",
+	  .data = &mtk_hdmi_phy_8173_conf,
+	},
+	{},
+};
+
+struct platform_driver mtk_hdmi_phy_driver = {
+	.probe = mtk_hdmi_phy_probe,
+	.driver = {
+		.name = "mediatek-hdmi-phy",
+		.of_match_table = mtk_hdmi_phy_match,
+	},
+};
+
+MODULE_DESCRIPTION("MediaTek HDMI PHY Driver");
+MODULE_LICENSE("GPL v2");

drivers/gpu/drm/mediatek/mtk_hdmi_phy.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Chunhui Dai <chunhui.dai@mediatek.com>
+ */
+
+#ifndef _MTK_HDMI_PHY_H
+#define _MTK_HDMI_PHY_H
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+struct mtk_hdmi_phy;
+
+struct mtk_hdmi_phy_conf {
+	bool tz_disabled;
+	const struct clk_ops *hdmi_phy_clk_ops;
+	void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
+	void (*hdmi_phy_disable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
+};
+
+struct mtk_hdmi_phy {
+	void __iomem *regs;
+	struct device *dev;
+	struct mtk_hdmi_phy_conf *conf;
+	struct clk *pll;
+	struct clk_hw pll_hw;
+	unsigned long pll_rate;
+	unsigned char drv_imp_clk;
+	unsigned char drv_imp_d2;
+	unsigned char drv_imp_d1;
+	unsigned char drv_imp_d0;
+	unsigned int ibias;
+	unsigned int ibias_up;
+};
+
+void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+			     u32 bits);
+void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
+			   u32 bits);
+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);
+long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+			     unsigned long *parent_rate);
+unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
+				       unsigned long parent_rate);
+
+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;
+
+#endif /* _MTK_HDMI_PHY_H */

drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Chunhui Dai <chunhui.dai@mediatek.com>
+ */
+
+#include "mtk_hdmi_phy.h"
+
+#define HDMI_CON0	0x00
+#define RG_HDMITX_DRV_IBIAS		0
+#define RG_HDMITX_DRV_IBIAS_MASK	(0x3f << 0)
+#define RG_HDMITX_EN_SER		12
+#define RG_HDMITX_EN_SER_MASK		(0x0f << 12)
+#define RG_HDMITX_EN_SLDO		16
+#define RG_HDMITX_EN_SLDO_MASK		(0x0f << 16)
+#define RG_HDMITX_EN_PRED		20
+#define RG_HDMITX_EN_PRED_MASK		(0x0f << 20)
+#define RG_HDMITX_EN_IMP		24
+#define RG_HDMITX_EN_IMP_MASK		(0x0f << 24)
+#define RG_HDMITX_EN_DRV		28
+#define RG_HDMITX_EN_DRV_MASK		(0x0f << 28)
+
+#define HDMI_CON1	0x04
+#define RG_HDMITX_PRED_IBIAS		18
+#define RG_HDMITX_PRED_IBIAS_MASK	(0x0f << 18)
+#define RG_HDMITX_PRED_IMP		(0x01 << 22)
+#define RG_HDMITX_DRV_IMP		26
+#define RG_HDMITX_DRV_IMP_MASK		(0x3f << 26)
+
+#define HDMI_CON2	0x08
+#define RG_HDMITX_EN_TX_CKLDO		(0x01 << 0)
+#define RG_HDMITX_EN_TX_POSDIV		(0x01 << 1)
+#define RG_HDMITX_TX_POSDIV		3
+#define RG_HDMITX_TX_POSDIV_MASK	(0x03 << 3)
+#define RG_HDMITX_EN_MBIAS		(0x01 << 6)
+#define RG_HDMITX_MBIAS_LPF_EN		(0x01 << 7)
+
+#define HDMI_CON4	0x10
+#define RG_HDMITX_RESERVE_MASK		(0xffffffff << 0)
+
+#define HDMI_CON6	0x18
+#define RG_HTPLL_BR			0
+#define RG_HTPLL_BR_MASK		(0x03 << 0)
+#define RG_HTPLL_BC			2
+#define RG_HTPLL_BC_MASK		(0x03 << 2)
+#define RG_HTPLL_BP			4
+#define RG_HTPLL_BP_MASK		(0x0f << 4)
+#define RG_HTPLL_IR			8
+#define RG_HTPLL_IR_MASK		(0x0f << 8)
+#define RG_HTPLL_IC			12
+#define RG_HTPLL_IC_MASK		(0x0f << 12)
+#define RG_HTPLL_POSDIV			16
+#define RG_HTPLL_POSDIV_MASK		(0x03 << 16)
+#define RG_HTPLL_PREDIV			18
+#define RG_HTPLL_PREDIV_MASK		(0x03 << 18)
+#define RG_HTPLL_FBKSEL			20
+#define RG_HTPLL_FBKSEL_MASK		(0x03 << 20)
+#define RG_HTPLL_RLH_EN			(0x01 << 22)
+#define RG_HTPLL_FBKDIV			24
+#define RG_HTPLL_FBKDIV_MASK		(0x7f << 24)
+#define RG_HTPLL_EN			(0x01 << 31)
+
+#define HDMI_CON7	0x1c
+#define RG_HTPLL_AUTOK_EN		(0x01 << 23)
+#define RG_HTPLL_DIVEN			28
+#define RG_HTPLL_DIVEN_MASK		(0x07 << 28)
+
+static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
+{
+	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+	usleep_range(80, 100);
+	return 0;
+}
+
+static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
+{
+	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+	usleep_range(80, 100);
+}
+
+static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+				 unsigned long parent_rate)
+{
+	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+	u32 pos_div;
+
+	if (rate <= 64000000)
+		pos_div = 3;
+	else if (rate <= 12800000)
+		pos_div = 1;
+	else
+		pos_div = 1;
+
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC),
+			  RG_HTPLL_IC_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR),
+			  RG_HTPLL_IR_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON2, (pos_div << RG_HDMITX_TX_POSDIV),
+			  RG_HDMITX_TX_POSDIV_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (1 << RG_HTPLL_FBKSEL),
+			  RG_HTPLL_FBKSEL_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (19 << RG_HTPLL_FBKDIV),
+			  RG_HTPLL_FBKDIV_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON7, (0x2 << RG_HTPLL_DIVEN),
+			  RG_HTPLL_DIVEN_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0xc << RG_HTPLL_BP),
+			  RG_HTPLL_BP_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x2 << RG_HTPLL_BC),
+			  RG_HTPLL_BC_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_BR),
+			  RG_HTPLL_BR_MASK);
+
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON1, RG_HDMITX_PRED_IMP);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, (0x3 << RG_HDMITX_PRED_IBIAS),
+			  RG_HDMITX_PRED_IBIAS_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_IMP_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON1, (0x28 << RG_HDMITX_DRV_IMP),
+			  RG_HDMITX_DRV_IMP_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON4, 0x28, RG_HDMITX_RESERVE_MASK);
+	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON0, (0xa << RG_HDMITX_DRV_IBIAS),
+			  RG_HDMITX_DRV_IBIAS_MASK);
+	return 0;
+}
+
+static const struct clk_ops mtk_hdmi_phy_pll_ops = {
+	.prepare = mtk_hdmi_pll_prepare,
+	.unprepare = mtk_hdmi_pll_unprepare,
+	.set_rate = mtk_hdmi_pll_set_rate,
+	.round_rate = mtk_hdmi_pll_round_rate,
+	.recalc_rate = mtk_hdmi_pll_recalc_rate,
+};
+
+static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
+{
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+	usleep_range(80, 100);
+}
+
+static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
+{
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_CKLDO);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_EN);
+	usleep_range(80, 100);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_MBIAS);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_RLH_EN);
+	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON7, RG_HTPLL_AUTOK_EN);
+	usleep_range(80, 100);
+}
+
+struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf = {
+	.tz_disabled = true,
+	.hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
+	.hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
+	.hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
+};
+
+MODULE_AUTHOR("Chunhui Dai <chunhui.dai@mediatek.com>");
+MODULE_DESCRIPTION("MediaTek HDMI PHY Driver");
+MODULE_LICENSE("GPL v2");

drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c

@@ -12,15 +12,7 @@
  * GNU General Public License for more details.
  */
 
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/phy/phy.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
+#include "mtk_hdmi_phy.h"
 
 #define HDMI_CON0		0x00
 #define RG_HDMITX_PLL_EN		BIT(31)
@@ -123,20 +115,6 @@
 #define RGS_HDMITX_5T1_EDG		(0xf << 4)
 #define RGS_HDMITX_PLUG_TST		BIT(0)
 
-struct mtk_hdmi_phy {
-	void __iomem *regs;
-	struct device *dev;
-	struct clk *pll;
-	struct clk_hw pll_hw;
-	unsigned long pll_rate;
-	u8 drv_imp_clk;
-	u8 drv_imp_d2;
-	u8 drv_imp_d1;
-	u8 drv_imp_d0;
-	u32 ibias;
-	u32 ibias_up;
-};
-
 static const u8 PREDIV[3][4] = {
 	{0x0, 0x0, 0x0, 0x0},	/* 27Mhz */
 	{0x1, 0x1, 0x1, 0x1},	/* 74Mhz */
@@ -185,44 +163,6 @@ static const u8 HTPLLBR[3][4] = {
 	{0x1, 0x2, 0x2, 0x1}	/* 148Mhz */
 };
 
-static void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
-				    u32 bits)
-{
-	void __iomem *reg = hdmi_phy->regs + offset;
-	u32 tmp;
-
-	tmp = readl(reg);
-	tmp &= ~bits;
-	writel(tmp, reg);
-}
-
-static void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
-				  u32 bits)
-{
-	void __iomem *reg = hdmi_phy->regs + offset;
-	u32 tmp;
-
-	tmp = readl(reg);
-	tmp |= bits;
-	writel(tmp, reg);
-}
-
-static void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
-			      u32 val, u32 mask)
-{
-	void __iomem *reg = hdmi_phy->regs + offset;
-	u32 tmp;
-
-	tmp = readl(reg);
-	tmp = (tmp & ~mask) | (val & mask);
-	writel(tmp, reg);
-}
-
-static inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
-{
-	return container_of(hw, struct mtk_hdmi_phy, pll_hw);
-}
-
 static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
 {
 	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
@@ -345,29 +285,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
 	return 0;
 }
 
-static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *parent_rate)
-{
-	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
-	hdmi_phy->pll_rate = rate;
-	if (rate <= 74250000)
-		*parent_rate = rate;
-	else
-		*parent_rate = rate / 2;
-
-	return rate;
-}
-
-static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
-					      unsigned long parent_rate)
-{
-	struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
-	return hdmi_phy->pll_rate;
-}
-
-static const struct clk_ops mtk_hdmi_pll_ops = {
+static const struct clk_ops mtk_hdmi_phy_pll_ops = {
 	.prepare = mtk_hdmi_pll_prepare,
 	.unprepare = mtk_hdmi_pll_unprepare,
 	.set_rate = mtk_hdmi_pll_set_rate,
@@ -390,142 +308,10 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
 				RG_HDMITX_SER_EN);
 }
 
-static int mtk_hdmi_phy_power_on(struct phy *phy)
-{
-	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
-	int ret;
-
-	ret = clk_prepare_enable(hdmi_phy->pll);
-	if (ret < 0)
-		return ret;
-
-	mtk_hdmi_phy_enable_tmds(hdmi_phy);
-
-	return 0;
-}
-
-static int mtk_hdmi_phy_power_off(struct phy *phy)
-{
-	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
-
-	mtk_hdmi_phy_disable_tmds(hdmi_phy);
-	clk_disable_unprepare(hdmi_phy->pll);
-
-	return 0;
-}
-
-static const struct phy_ops mtk_hdmi_phy_ops = {
-	.power_on = mtk_hdmi_phy_power_on,
-	.power_off = mtk_hdmi_phy_power_off,
-	.owner = THIS_MODULE,
-};
-
-static int mtk_hdmi_phy_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct mtk_hdmi_phy *hdmi_phy;
-	struct resource *mem;
-	struct clk *ref_clk;
-	const char *ref_clk_name;
-	struct clk_init_data clk_init = {
-		.ops = &mtk_hdmi_pll_ops,
-		.num_parents = 1,
-		.parent_names = (const char * const *)&ref_clk_name,
-		.flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
-	};
-	struct phy *phy;
-	struct phy_provider *phy_provider;
-	int ret;
-
-	hdmi_phy = devm_kzalloc(dev, sizeof(*hdmi_phy), GFP_KERNEL);
-	if (!hdmi_phy)
-		return -ENOMEM;
-
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hdmi_phy->regs = devm_ioremap_resource(dev, mem);
-	if (IS_ERR(hdmi_phy->regs)) {
-		ret = PTR_ERR(hdmi_phy->regs);
-		dev_err(dev, "Failed to get memory resource: %d\n", ret);
-		return ret;
-	}
-
-	ref_clk = devm_clk_get(dev, "pll_ref");
-	if (IS_ERR(ref_clk)) {
-		ret = PTR_ERR(ref_clk);
-		dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n",
-			ret);
-		return ret;
-	}
-	ref_clk_name = __clk_get_name(ref_clk);
-
-	ret = of_property_read_string(dev->of_node, "clock-output-names",
-				      &clk_init.name);
-	if (ret < 0) {
-		dev_err(dev, "Failed to read clock-output-names: %d\n", ret);
-		return ret;
-	}
-
-	hdmi_phy->pll_hw.init = &clk_init;
-	hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw);
-	if (IS_ERR(hdmi_phy->pll)) {
-		ret = PTR_ERR(hdmi_phy->pll);
-		dev_err(dev, "Failed to register PLL: %d\n", ret);
-		return ret;
-	}
-
-	ret = of_property_read_u32(dev->of_node, "mediatek,ibias",
-				   &hdmi_phy->ibias);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret);
-		return ret;
-	}
-
-	ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up",
-				   &hdmi_phy->ibias_up);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret);
-		return ret;
-	}
-
-	dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n");
-	hdmi_phy->drv_imp_clk = 0x30;
-	hdmi_phy->drv_imp_d2 = 0x30;
-	hdmi_phy->drv_imp_d1 = 0x30;
-	hdmi_phy->drv_imp_d0 = 0x30;
-
-	phy = devm_phy_create(dev, NULL, &mtk_hdmi_phy_ops);
-	if (IS_ERR(phy)) {
-		dev_err(dev, "Failed to create HDMI PHY\n");
-		return PTR_ERR(phy);
-	}
-	phy_set_drvdata(phy, hdmi_phy);
-
-	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
-	if (IS_ERR(phy_provider))
-		return PTR_ERR(phy_provider);
-
-	hdmi_phy->dev = dev;
-	return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
-				   hdmi_phy->pll);
-}
-
-static int mtk_hdmi_phy_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
-static const struct of_device_id mtk_hdmi_phy_match[] = {
-	{ .compatible = "mediatek,mt8173-hdmi-phy", },
-	{},
-};
-
-struct platform_driver mtk_hdmi_phy_driver = {
-	.probe = mtk_hdmi_phy_probe,
-	.remove = mtk_hdmi_phy_remove,
-	.driver = {
-		.name = "mediatek-hdmi-phy",
-		.of_match_table = mtk_hdmi_phy_match,
-	},
+struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = {
+	.hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
+	.hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
+	.hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
 };
 
 MODULE_AUTHOR("Jie Qiu <jie.qiu@mediatek.com>");