Add basic support for the mediatek hdmi phy on MT8195 SoC

Signed-off-by: Guillaume Ranquet <granq...@baylibre.com>

diff --git a/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c 
b/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c
index bb7593ea4c86..0157acdce56c 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c
@@ -1344,6 +1344,8 @@ static void mtk_hdmi_bridge_disable(struct drm_bridge 
*bridge,
        mtk_hdmi_disable_hdcp_encrypt(hdmi);
        usleep_range(50000, 50050);
 
+       phy_power_off(hdmi->phy);
+
        hdmi->enabled = false;
 }
 
diff --git a/drivers/phy/mediatek/Makefile b/drivers/phy/mediatek/Makefile
index fb1f8edaffa7..c9a50395533e 100644
--- a/drivers/phy/mediatek/Makefile
+++ b/drivers/phy/mediatek/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_PHY_MTK_XSPHY)           += phy-mtk-xsphy.o
 phy-mtk-hdmi-drv-y                     := phy-mtk-hdmi.o
 phy-mtk-hdmi-drv-y                     += phy-mtk-hdmi-mt2701.o
 phy-mtk-hdmi-drv-y                     += phy-mtk-hdmi-mt8173.o
+phy-mtk-hdmi-drv-y                     += phy-mtk-hdmi-mt8195.o
 obj-$(CONFIG_PHY_MTK_HDMI)             += phy-mtk-hdmi-drv.o
 
 phy-mtk-mipi-dsi-drv-y                 := phy-mtk-mipi-dsi.o
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c 
b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
new file mode 100644
index 000000000000..149015b64c02
--- /dev/null
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
@@ -0,0 +1,673 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Copyright (c) 2021 BayLibre, SAS
+ */
+#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 <linux/nvmem-consumer.h>
+
+#include "phy-mtk-hdmi.h"
+#include "phy-mtk-hdmi-mt8195.h"
+
+static void mtk_hdmi_ana_fifo_en(struct mtk_hdmi_phy *hdmi_phy)
+{
+       /* make data fifo writable for hdmi2.0 */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_ANA_CTL, REG_ANA_HDMI20_FIFO_EN,
+                         REG_ANA_HDMI20_FIFO_EN);
+}
+
+static void
+mtk_mt8195_phy_tmds_high_bit_clk_ratio(struct mtk_hdmi_phy *hdmi_phy,
+                                      bool enable)
+{
+       mtk_hdmi_ana_fifo_en(hdmi_phy);
+
+       /* HDMI 2.0 specification, 3.4Gbps <= TMDS Bit Rate <= 6G,
+        * clock bit ratio 1:40, under 3.4Gbps, clock bit ratio 1:10
+        */
+       if (enable)
+               mtk_hdmi_phy_mask(hdmi_phy, HDMI20_CLK_CFG,
+                                 0x2 << REG_TXC_DIV_SHIFT, REG_TXC_DIV);
+       else
+               mtk_hdmi_phy_mask(hdmi_phy, HDMI20_CLK_CFG, 0, REG_TXC_DIV);
+}
+
+static void mtk_hdmi_pll_select_source(struct clk_hw *hw)
+{
+       struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_CTL_3, 0x0, REG_HDMITX_REF_XTAL_SEL);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_CTL_3, 0x0, REG_HDMITX_REF_RESPLL_SEL);
+
+       /* DA_HDMITX21_REF_CK for TXPLL input source */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_10, 0x0,
+                         RG_HDMITXPLL_REF_CK_SEL);
+}
+
+static int mtk_hdmi_pll_performance_setting(struct clk_hw *hw)
+{
+       struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+       /* BP2 */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_0,
+                         0x1 << RG_HDMITXPLL_BP2_SHIFT, RG_HDMITXPLL_BP2);
+
+       /* BC */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x3 << RG_HDMITXPLL_BC_SHIFT, RG_HDMITXPLL_BC);
+
+       /* IC */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x1 << RG_HDMITXPLL_IC_SHIFT, RG_HDMITXPLL_IC);
+
+       /* BR */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x2 << RG_HDMITXPLL_BR_SHIFT, RG_HDMITXPLL_BR);
+
+       /* IR */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x2 << RG_HDMITXPLL_IR_SHIFT, RG_HDMITXPLL_IR);
+
+       /* BP */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0xf << RG_HDMITXPLL_BP_SHIFT, RG_HDMITXPLL_BP);
+
+       /* IBAND_FIX_EN, RESERVE[14] */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_0,
+                         0x0 << RG_HDMITXPLL_IBAND_FIX_EN_SHIFT,
+                         RG_HDMITXPLL_IBAND_FIX_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_1,
+                         0x0 << RG_HDMITXPLL_RESERVE_BIT14_SHIFT,
+                         RG_HDMITXPLL_RESERVE_BIT14);
+
+       /* HIKVCO */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x0 << RG_HDMITXPLL_HIKVCO_SHIFT,
+                         RG_HDMITXPLL_HIKVCO);
+
+       /* HREN */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_0,
+                         0x1 << RG_HDMITXPLL_HREN_SHIFT, RG_HDMITXPLL_HREN);
+
+       /* LVR_SEL */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_0,
+                         0x1 << RG_HDMITXPLL_LVR_SEL_SHIFT,
+                         RG_HDMITXPLL_LVR_SEL);
+
+       /* RG_HDMITXPLL_RESERVE[12:11] */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_1,
+                         0x3 << RG_HDMITXPLL_RESERVE_BIT12_11_SHIFT,
+                         RG_HDMITXPLL_RESERVE_BIT12_11);
+
+       /* TCL_EN */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_0,
+                         0x1 << RG_HDMITXPLL_TCL_EN_SHIFT,
+                         RG_HDMITXPLL_TCL_EN);
+
+       return 0;
+}
+
+static int mtk_hdmi_pll_set_hw(struct clk_hw *hw, unsigned char prediv,
+                              unsigned char fbkdiv_high,
+                              unsigned long fbkdiv_low,
+                              unsigned char fbkdiv_hs3, unsigned char posdiv1,
+                              unsigned char posdiv2, unsigned char txprediv,
+                              unsigned char txposdiv,
+                              unsigned char digital_div)
+{
+       unsigned char txposdiv_value = 0;
+       unsigned char div3_ctrl_value = 0;
+       unsigned char posdiv_vallue = 0;
+       unsigned char div_ctrl_value = 0;
+       unsigned char reserve_3_2_value = 0;
+       unsigned char prediv_value = 0;
+       unsigned char reserve13_value = 0;
+       struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+       mtk_hdmi_pll_select_source(hw);
+
+       mtk_hdmi_pll_performance_setting(hw);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_10,
+                         0x2 << RG_HDMITX21_BIAS_PE_BG_VREF_SEL_SHIFT,
+                         RG_HDMITX21_BIAS_PE_BG_VREF_SEL);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_10,
+                         0x0 << RG_HDMITX21_VREF_SEL_SHIFT,
+                         RG_HDMITX21_VREF_SEL);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_9,
+                         0x2 << RG_HDMITX21_SLDO_VREF_SEL_SHIFT,
+                         RG_HDMITX21_SLDO_VREF_SEL);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_10,
+                         0x0 << RG_HDMITX21_BIAS_PE_VREF_SELB_SHIFT,
+                         RG_HDMITX21_BIAS_PE_VREF_SELB);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_3,
+                         0x1 << RG_HDMITX21_SLDOLPF_EN_SHIFT,
+                         RG_HDMITX21_SLDOLPF_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x11 << RG_HDMITX21_INTR_CAL_SHIFT,
+                         RG_HDMITX21_INTR_CAL);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x1 << RG_HDMITXPLL_PWD_SHIFT, RG_HDMITXPLL_PWD);
+
+       /* TXPOSDIV */
+       if (txposdiv == 1)
+               txposdiv_value = 0x0;
+       else if (txposdiv == 2)
+               txposdiv_value = 0x1;
+       else if (txposdiv == 4)
+               txposdiv_value = 0x2;
+       else if (txposdiv == 8)
+               txposdiv_value = 0x3;
+       else
+               return -EINVAL;
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         txposdiv_value << RG_HDMITX21_TX_POSDIV_SHIFT,
+                         RG_HDMITX21_TX_POSDIV);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x1 << RG_HDMITX21_TX_POSDIV_EN_SHIFT,
+                         RG_HDMITX21_TX_POSDIV_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x0 << RG_HDMITX21_FRL_EN_SHIFT, RG_HDMITX21_FRL_EN);
+
+       /* TXPREDIV */
+       if (txprediv == 2) {
+               div3_ctrl_value = 0x0;
+               posdiv_vallue = 0x0;
+       } else if (txprediv == 4) {
+               div3_ctrl_value = 0x0;
+               posdiv_vallue = 0x1;
+       } else if (txprediv == 6) {
+               div3_ctrl_value = 0x1;
+               posdiv_vallue = 0x0;
+       } else if (txprediv == 12) {
+               div3_ctrl_value = 0x1;
+               posdiv_vallue = 0x1;
+       } else {
+               return -EINVAL;
+       }
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         div3_ctrl_value
+                                 << RG_HDMITXPLL_POSDIV_DIV3_CTRL_SHIFT,
+                         RG_HDMITXPLL_POSDIV_DIV3_CTRL);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         posdiv_vallue << RG_HDMITXPLL_POSDIV_SHIFT,
+                         RG_HDMITXPLL_POSDIV);
+
+       /* POSDIV1 */
+       if (posdiv1 == 5)
+               div_ctrl_value = 0x0;
+       else if (posdiv1 == 10)
+               div_ctrl_value = 0x1;
+       else if (posdiv1 == (125 / 10))
+               div_ctrl_value = 0x2;
+       else if (posdiv1 == 15)
+               div_ctrl_value = 0x3;
+       else
+               return -EINVAL;
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         div_ctrl_value << RG_HDMITXPLL_DIV_CTRL_SHIFT,
+                         RG_HDMITXPLL_DIV_CTRL);
+
+       /* DE add new setting */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_1,
+                         0x0 << RG_HDMITXPLL_RESERVE_BIT14_SHIFT,
+                         RG_HDMITXPLL_RESERVE_BIT14);
+
+       /* POSDIV2 */
+       if (posdiv2 == 1)
+               reserve_3_2_value = 0x0;
+       else if (posdiv2 == 2)
+               reserve_3_2_value = 0x1;
+       else if (posdiv2 == 4)
+               reserve_3_2_value = 0x2;
+       else if (posdiv2 == 6)
+               reserve_3_2_value = 0x3;
+       else
+               return -EINVAL;
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_1,
+                         reserve_3_2_value
+                                 << RG_HDMITXPLL_RESERVE_BIT3_2_SHIFT,
+                         RG_HDMITXPLL_RESERVE_BIT3_2);
+
+       /* DE add new setting */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_1,
+                         0x2 << RG_HDMITXPLL_RESERVE_BIT1_0_SHIFT,
+                         RG_HDMITXPLL_RESERVE_BIT1_0);
+
+       /* PREDIV */
+       if (prediv == 1)
+               prediv_value = 0x0;
+       else if (prediv == 2)
+               prediv_value = 0x1;
+       else if (prediv == 4)
+               prediv_value = 0x2;
+       else
+               return -EINVAL;
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         prediv_value << RG_HDMITXPLL_PREDIV_SHIFT,
+                         RG_HDMITXPLL_PREDIV);
+
+       /* FBKDIV_HS3 */
+       if (fbkdiv_hs3 == 1)
+               reserve13_value = 0x0;
+       else if (fbkdiv_hs3 == 2)
+               reserve13_value = 0x1;
+       else
+               return -EINVAL;
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_1,
+                         reserve13_value << RG_HDMITXPLL_RESERVE_BIT13_SHIFT,
+                         RG_HDMITXPLL_RESERVE_BIT13);
+
+       /* FBDIV */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         fbkdiv_high << RG_HDMITXPLL_FBKDIV_high_SHIFT,
+                         RG_HDMITXPLL_FBKDIV_HIGH);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_3,
+                         fbkdiv_low << RG_HDMITXPLL_FBKDIV_low_SHIFT,
+                         RG_HDMITXPLL_FBKDIV_low);
+
+       /* Digital DIVIDER */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_CTL_3,
+                         0x0 << REG_PIXEL_CLOCK_SEL_SHIFT,
+                         REG_PIXEL_CLOCK_SEL);
+
+       if (digital_div == 1) {
+               mtk_hdmi_phy_mask(hdmi_phy, HDMI_CTL_3,
+                                 0x0 << REG_HDMITX_PIXEL_CLOCK_SHIFT,
+                                 REG_HDMITX_PIXEL_CLOCK);
+       } else {
+               mtk_hdmi_phy_mask(hdmi_phy, HDMI_CTL_3,
+                                 0x1 << REG_HDMITX_PIXEL_CLOCK_SHIFT,
+                                 REG_HDMITX_PIXEL_CLOCK);
+               mtk_hdmi_phy_mask(hdmi_phy, HDMI_CTL_3,
+                                 (digital_div - 1) << REG_HDMITXPLL_DIV_SHIFT,
+                                 REG_HDMITXPLL_DIV);
+       }
+
+       return 0;
+}
+
+#define PCW_DECIMAL_WIDTH 24
+
+static int mtk_hdmi_pll_calculate_params(struct clk_hw *hw, unsigned long rate,
+                                        unsigned long parent_rate)
+{
+       int ret;
+       unsigned long long tmds_clk = 0;
+       unsigned long long pixel_clk = 0;
+       //pll input source frequency
+       unsigned long long da_hdmitx21_ref_ck = 0;
+       unsigned long long ns_hdmipll_ck = 0; //ICO output clk
+       //source clk for Display digital
+       unsigned long long ad_hdmipll_pixel_ck = 0;
+       unsigned char digital_div = 0;
+       unsigned long long pcw = 0; //FBDIV
+       unsigned char txprediv = 0;
+       unsigned char txposdiv = 0;
+       unsigned char fbkdiv_high = 0;
+       unsigned long fbkdiv_low = 0;
+       unsigned char posdiv1 = 0;
+       unsigned char posdiv2 = 0;
+       unsigned char prediv = 1; //prediv is always 1
+       unsigned char fbkdiv_hs3 = 1; //fbkdiv_hs3 is always 1
+       int i = 0;
+       unsigned char txpredivs[4] = { 2, 4, 6, 12 };
+
+       pixel_clk = rate;
+       tmds_clk = pixel_clk;
+
+       if (tmds_clk < 25000000 || tmds_clk > 594000000)
+               return -EINVAL;
+
+       da_hdmitx21_ref_ck = 26000000UL; //in HZ
+
+       /*  TXPOSDIV stage treatment:
+        *      0M  <  TMDS clk  < 54M            /8
+        *      54M <= TMDS clk  < 148.35M    /4
+        *      148.35M <=TMDS clk < 296.7M   /2
+        *      296.7 <=TMDS clk <= 594M          /1
+        */
+       if (tmds_clk < 54000000UL)
+               txposdiv = 8;
+       else if (tmds_clk >= 54000000UL && tmds_clk < 148350000UL)
+               txposdiv = 4;
+       else if (tmds_clk >= 148350000UL && tmds_clk < 296700000UL)
+               txposdiv = 2;
+       else if (tmds_clk >= 296700000UL && tmds_clk <= 594000000UL)
+               txposdiv = 1;
+       else
+               return -EINVAL;
+
+       /* calculate txprediv: can be 2, 4, 6, 12
+        * ICO clk = 5*TMDS_CLK*TXPOSDIV*TXPREDIV
+        * ICO clk constraint: 5G =< ICO clk <= 12G
+        */
+       for (i = 0; i < ARRAY_SIZE(txpredivs); i++) {
+               ns_hdmipll_ck = 5 * tmds_clk * txposdiv * txpredivs[i];
+               if (ns_hdmipll_ck >= 5000000000UL &&
+                   ns_hdmipll_ck <= 12000000000UL)
+                       break;
+       }
+       if (i == (ARRAY_SIZE(txpredivs) - 1) &&
+           (ns_hdmipll_ck < 5000000000UL || ns_hdmipll_ck > 12000000000UL)) {
+               return -EINVAL;
+       }
+       if (i == ARRAY_SIZE(txpredivs))
+               return -EINVAL;
+
+       txprediv = txpredivs[i];
+
+       /* PCW calculation: FBKDIV
+        * formula: pcw=(frequency_out*2^pcw_bit) / frequency_in / FBKDIV_HS3;
+        * RG_HDMITXPLL_FBKDIV[32:0]:
+        * [32,24] 9bit integer, [23,0]:24bit fraction
+        */
+       pcw = ns_hdmipll_ck;
+       pcw = pcw << PCW_DECIMAL_WIDTH;
+       pcw = pcw / da_hdmitx21_ref_ck;
+       pcw = pcw / fbkdiv_hs3;
+
+       if ((pcw / BIT(32)) > 1) {
+               return -EINVAL;
+       } else if ((pcw / BIT(32)) == 1) {
+               fbkdiv_high = 1;
+               fbkdiv_low = pcw % BIT(32);
+       } else {
+               fbkdiv_high = 0;
+               fbkdiv_low = pcw;
+       }
+
+       /* posdiv1:
+        * posdiv1 stage treatment according to color_depth:
+        * 24bit -> posdiv1 /10, 30bit -> posdiv1 /12.5,
+        * 36bit -> posdiv1 /15, 48bit -> posdiv1 /10
+        */
+       posdiv1 = 10; // div 10
+       posdiv2 = 1;
+       ad_hdmipll_pixel_ck = (ns_hdmipll_ck / 10) / 1;
+
+       /* Digital clk divider, max /32 */
+       digital_div = ad_hdmipll_pixel_ck / pixel_clk;
+       if (!(digital_div <= 32 && digital_div >= 1))
+               return -EINVAL;
+
+       ret = mtk_hdmi_pll_set_hw(hw, prediv, fbkdiv_high, fbkdiv_low,
+                                 fbkdiv_hs3, posdiv1, posdiv2, txprediv,
+                                 txposdiv, digital_div);
+       if (ret)
+               return -EINVAL;
+
+       return 0;
+}
+
+static int mtk_hdmi_pll_drv_setting(struct clk_hw *hw)
+{
+       unsigned char data_channel_bias, clk_channel_bias;
+       unsigned char impedance, impedance_en;
+       struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+       unsigned long tmds_clk;
+       unsigned long pixel_clk = hdmi_phy->pll_rate;
+
+       tmds_clk = pixel_clk;
+
+       /* bias & impedance setting:
+        * 3G < data rate <= 6G: enable impedance 100ohm,
+        *      data channel bias 24mA, clock channel bias 20mA
+        * pixel clk >= HD,  74.175MHZ <= pixel clk <= 300MHZ:
+        *      enalbe impedance 100ohm
+        *      data channel 20mA, clock channel 16mA
+        * 27M =< pixel clk < 74.175: disable impedance
+        *      data channel & clock channel bias 10mA
+        */
+
+       /* 3G < data rate <= 6G, 300M < tmds rate <= 594M */
+       if (tmds_clk > 300000000UL && tmds_clk <= 594000000UL) {
+               data_channel_bias = 0x3c; //24mA
+               clk_channel_bias = 0x34; //20mA
+               impedance_en = 0xf;
+               impedance = 0x36; //100ohm
+       } else if (pixel_clk >= 74175000UL && pixel_clk <= 300000000UL) {
+               data_channel_bias = 0x34; //20mA
+               clk_channel_bias = 0x2c; //16mA
+               impedance_en = 0xf;
+               impedance = 0x36; //100ohm
+       } else if (pixel_clk >= 27000000UL && pixel_clk < 74175000UL) {
+               data_channel_bias = 0x14; //10mA
+               clk_channel_bias = 0x14; //10mA
+               impedance_en = 0x0;
+               impedance = 0x0;
+       } else {
+               return -EINVAL;
+       }
+
+       /* bias */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_1,
+                         data_channel_bias << RG_HDMITX21_DRV_IBIAS_D0_SHIFT,
+                         RG_HDMITX21_DRV_IBIAS_D0);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_1,
+                         data_channel_bias << RG_HDMITX21_DRV_IBIAS_D1_SHIFT,
+                         RG_HDMITX21_DRV_IBIAS_D1);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_1,
+                         data_channel_bias << RG_HDMITX21_DRV_IBIAS_D2_SHIFT,
+                         RG_HDMITX21_DRV_IBIAS_D2);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_0,
+                         clk_channel_bias << RG_HDMITX21_DRV_IBIAS_CLK_SHIFT,
+                         RG_HDMITX21_DRV_IBIAS_CLK);
+
+       /* impedance */
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_0,
+                         impedance_en << RG_HDMITX21_DRV_IMP_EN_SHIFT,
+                         RG_HDMITX21_DRV_IMP_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_2,
+                         impedance << RG_HDMITX21_DRV_IMP_D0_EN1_SHIFT,
+                         RG_HDMITX21_DRV_IMP_D0_EN1);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_2,
+                         impedance << RG_HDMITX21_DRV_IMP_D1_EN1_SHIFT,
+                         RG_HDMITX21_DRV_IMP_D1_EN1);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_2,
+                         impedance << RG_HDMITX21_DRV_IMP_D2_EN1_SHIFT,
+                         RG_HDMITX21_DRV_IMP_D2_EN1);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_2,
+                         impedance << RG_HDMITX21_DRV_IMP_CLK_EN1_SHIFT,
+                         RG_HDMITX21_DRV_IMP_CLK_EN1);
+
+       return 0;
+}
+
+static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
+{
+       struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x1 << RG_HDMITX21_TX_POSDIV_EN_SHIFT,
+                         RG_HDMITX21_TX_POSDIV_EN);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_0,
+                         0xf << RG_HDMITX21_SER_EN_SHIFT, RG_HDMITX21_SER_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x1 << RG_HDMITX21_D0_DRV_OP_EN_SHIFT,
+                         RG_HDMITX21_D0_DRV_OP_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x1 << RG_HDMITX21_D1_DRV_OP_EN_SHIFT,
+                         RG_HDMITX21_D1_DRV_OP_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x1 << RG_HDMITX21_D2_DRV_OP_EN_SHIFT,
+                         RG_HDMITX21_D2_DRV_OP_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x1 << RG_HDMITX21_CK_DRV_OP_EN_SHIFT,
+                         RG_HDMITX21_CK_DRV_OP_EN);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x0 << RG_HDMITX21_FRL_D0_EN_SHIFT,
+                         RG_HDMITX21_FRL_D0_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x0 << RG_HDMITX21_FRL_D1_EN_SHIFT,
+                         RG_HDMITX21_FRL_D1_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x0 << RG_HDMITX21_FRL_D2_EN_SHIFT,
+                         RG_HDMITX21_FRL_D2_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x0 << RG_HDMITX21_FRL_CK_EN_SHIFT,
+                         RG_HDMITX21_FRL_CK_EN);
+
+       mtk_hdmi_pll_drv_setting(hw);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_10,
+                         0x0 << RG_HDMITX21_BG_PWD_SHIFT, RG_HDMITX21_BG_PWD);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x1 << RG_HDMITX21_BIAS_EN_SHIFT,
+                         RG_HDMITX21_BIAS_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_3,
+                         0x1 << RG_HDMITX21_CKLDO_EN_SHIFT,
+                         RG_HDMITX21_CKLDO_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_3,
+                         0xf << RG_HDMITX21_SLDO_EN_SHIFT,
+                         RG_HDMITX21_SLDO_EN);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         0x1 << DA_HDMITXPLL_PWR_ON_SHIFT,
+                         DA_HDMITXPLL_PWR_ON);
+       usleep_range(5, 10);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         0x0 << DA_HDMITXPLL_ISO_EN_SHIFT,
+                         DA_HDMITXPLL_ISO_EN);
+       usleep_range(5, 10);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x0 << RG_HDMITXPLL_PWD_SHIFT, RG_HDMITXPLL_PWD);
+       usleep_range(30, 50);
+       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_mask(hdmi_phy, HDMI_1_CFG_10,
+                         0x1 << RG_HDMITX21_BG_PWD_SHIFT, RG_HDMITX21_BG_PWD);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_6,
+                         0x0 << RG_HDMITX21_BIAS_EN_SHIFT,
+                         RG_HDMITX21_BIAS_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_3,
+                         0x0 << RG_HDMITX21_CKLDO_EN_SHIFT,
+                         RG_HDMITX21_CKLDO_EN);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_3,
+                         0x0 << RG_HDMITX21_SLDO_EN_SHIFT,
+                         RG_HDMITX21_SLDO_EN);
+
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_2,
+                         0x1 << RG_HDMITXPLL_PWD_SHIFT, RG_HDMITXPLL_PWD);
+       usleep_range(10, 20);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         0x1 << DA_HDMITXPLL_ISO_EN_SHIFT,
+                         DA_HDMITXPLL_ISO_EN);
+       usleep_range(10, 20);
+       mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_PLL_CFG_4,
+                         0x0 << DA_HDMITXPLL_PWR_ON_SHIFT,
+                         DA_HDMITXPLL_PWR_ON);
+}
+
+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);
+       int ret;
+
+       dev_dbg(hdmi_phy->dev, "%s: %lu Hz, parent: %lu Hz\n", __func__, rate,
+               parent_rate);
+
+       ret = mtk_hdmi_pll_calculate_params(hw, rate, parent_rate);
+       if (ret != 0)
+               return -EINVAL;
+
+       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;
+       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 = {
+       .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 vtx_signal_en(struct mtk_hdmi_phy *hdmi_phy, bool on)
+{
+       if (on)
+               mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_0, RG_HDMITX21_DRV_EN,
+                                 RG_HDMITX21_DRV_EN);
+       else
+               mtk_hdmi_phy_mask(hdmi_phy, HDMI_1_CFG_0,
+                                 0x0 << RG_HDMITX21_DRV_EN_SHIFT,
+                                 RG_HDMITX21_DRV_EN);
+}
+
+static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
+{
+       vtx_signal_en(hdmi_phy, true);
+       usleep_range(100, 150);
+}
+
+static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
+{
+       vtx_signal_en(hdmi_phy, false);
+}
+
+static int mtk_hdmi_phy_configure(struct phy *phy, union phy_configure_opts 
*opts)
+{
+       struct phy_configure_opts_dp *dp_opts = &opts->dp;
+       struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
+       int ret = 0;
+       bool enable = 0;
+
+       ret = clk_set_rate(hdmi_phy->pll, dp_opts->link_rate);
+
+       if (ret)
+               goto out;
+
+       mtk_mt8195_phy_tmds_high_bit_clk_ratio(hdmi_phy, enable);
+
+out:
+       return ret;
+}
+
+struct mtk_hdmi_phy_conf mtk_hdmi_phy_8195_conf = {
+       .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE,
+       .hdmi_phy_clk_ops = &mtk_hdmi_pll_ops,
+       .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
+       .hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
+       .hdmi_phy_configure = mtk_hdmi_phy_configure,
+};
+
+MODULE_AUTHOR("Can Zeng <can.z...@mediatek.com>");
+MODULE_DESCRIPTION("MediaTek MT8195 HDMI PHY Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.h 
b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.h
new file mode 100644
index 000000000000..3cc51d8a18a4
--- /dev/null
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.h
@@ -0,0 +1,204 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Copyright (c) 2021 BayLibre, SAS
+ */
+
+#ifndef _MTK_HDMI_PHY_8195_H
+#define _MTK_HDMI_PHY_8195_H
+
+#include <linux/types.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+
+#define DA_HDMITXPLL_ISO_EN BIT(1)
+#define DA_HDMITXPLL_ISO_EN_SHIFT (1)
+#define DA_HDMITXPLL_PWR_ON BIT(2)
+#define DA_HDMITXPLL_PWR_ON_SHIFT (2)
+
+#define HDMI20_CLK_CFG 0x70
+
+#define HDMI_1_CFG_0 0x00
+#define HDMI_1_CFG_1 0x04
+#define HDMI_1_CFG_10 0x40
+#define HDMI_1_CFG_2 0x08
+#define HDMI_1_CFG_21 0x84
+#define HDMI_1_CFG_22 0x88
+#define HDMI_1_CFG_3 0x0c
+#define HDMI_1_CFG_6 0x18
+#define HDMI_1_CFG_9 0x24
+#define HDMI_1_PLL_CFG_0 0x44
+#define HDMI_1_PLL_CFG_1 0x48
+#define HDMI_1_PLL_CFG_2 0x4c
+#define HDMI_1_PLL_CFG_3 0x50
+#define HDMI_1_PLL_CFG_4 0x54
+
+#define HDMI_ANA_CTL 0x7c
+
+#define HDMI_CTL_1 0xc4
+#define HDMI_CTL_3 0xcc
+
+#define REG_ANA_HDMI20_FIFO_EN BIT(16)
+
+#define REG_HDMITXPLL_DIV GENMASK(4, 0)
+#define REG_HDMITXPLL_DIV_SHIFT (0)
+#define REG_HDMITX_PIXEL_CLOCK BIT(23)
+#define REG_HDMITX_PIXEL_CLOCK_SHIFT (23)
+#define REG_HDMITX_REF_RESPLL_SEL BIT(9)
+#define REG_HDMITX_REF_RESPLL_SEL_SHIFT (9)
+#define REG_HDMITX_REF_XTAL_SEL BIT(7)
+#define REG_HDMITX_REF_XTAL_SEL_SHIFT (7)
+
+#define REG_PIXEL_CLOCK_SEL BIT(10)
+#define REG_PIXEL_CLOCK_SEL_SHIFT (10)
+
+#define REG_TXC_DIV GENMASK(31, 30)
+#define REG_TXC_DIV_SHIFT (30)
+
+#define RG_HDMITX21_BG_PWD BIT(20)
+#define RG_HDMITX21_BG_PWD_SHIFT (20)
+
+#define RG_HDMITX21_BIAS_EN BIT(29)
+#define RG_HDMITX21_BIAS_EN_SHIFT (29)
+#define RG_HDMITX21_BIAS_PE_BG_VREF_SEL GENMASK(16, 15)
+#define RG_HDMITX21_BIAS_PE_BG_VREF_SEL_SHIFT (15)
+#define RG_HDMITX21_BIAS_PE_VREF_SELB GENMASK(10, 10)
+#define RG_HDMITX21_BIAS_PE_VREF_SELB_SHIFT (10)
+
+#define RG_HDMITX21_CKLDO_EN BIT(3)
+#define RG_HDMITX21_CKLDO_EN_SHIFT (3)
+
+#define RG_HDMITX21_CK_DRV_OP_EN BIT(11)
+#define RG_HDMITX21_CK_DRV_OP_EN_SHIFT (11)
+
+#define RG_HDMITX21_D0_DRV_OP_EN BIT(10)
+#define RG_HDMITX21_D0_DRV_OP_EN_SHIFT (10)
+
+#define RG_HDMITX21_D1_DRV_OP_EN BIT(9)
+#define RG_HDMITX21_D1_DRV_OP_EN_SHIFT (9)
+
+#define RG_HDMITX21_D2_DRV_OP_EN BIT(8)
+#define RG_HDMITX21_D2_DRV_OP_EN_SHIFT (8)
+
+#define RG_HDMITX21_DRV_EN GENMASK(27, 24)
+#define RG_HDMITX21_DRV_EN_SHIFT (24)
+#define RG_HDMITX21_DRV_IBIAS_CLK GENMASK(10, 5)
+#define RG_HDMITX21_DRV_IBIAS_CLK_SHIFT (5)
+#define RG_HDMITX21_DRV_IBIAS_D0 GENMASK(19, 14)
+#define RG_HDMITX21_DRV_IBIAS_D0_FFE1 GENMASK(21, 17)
+#define RG_HDMITX21_DRV_IBIAS_D0_FFE1_SHIFT (17)
+#define RG_HDMITX21_DRV_IBIAS_D0_FFE2 GENMASK(23, 20)
+#define RG_HDMITX21_DRV_IBIAS_D0_FFE2_SHIFT (20)
+#define RG_HDMITX21_DRV_IBIAS_D0_SHIFT (14)
+#define RG_HDMITX21_DRV_IBIAS_D1 GENMASK(25, 20)
+#define RG_HDMITX21_DRV_IBIAS_D1_FFE1 GENMASK(26, 22)
+#define RG_HDMITX21_DRV_IBIAS_D1_FFE1_SHIFT (22)
+#define RG_HDMITX21_DRV_IBIAS_D1_FFE2 GENMASK(27, 24)
+#define RG_HDMITX21_DRV_IBIAS_D1_FFE2_SHIFT (24)
+#define RG_HDMITX21_DRV_IBIAS_D1_SHIFT (20)
+#define RG_HDMITX21_DRV_IBIAS_D2 GENMASK(31, 26)
+#define RG_HDMITX21_DRV_IBIAS_D2_FFE1 GENMASK(31, 27)
+#define RG_HDMITX21_DRV_IBIAS_D2_FFE1_SHIFT (27)
+#define RG_HDMITX21_DRV_IBIAS_D2_FFE2 GENMASK(31, 28)
+#define RG_HDMITX21_DRV_IBIAS_D2_FFE2_SHIFT (28)
+#define RG_HDMITX21_DRV_IBIAS_D2_SHIFT (26)
+#define RG_HDMITX21_DRV_IMP_CLK_EN1 GENMASK(31, 26)
+#define RG_HDMITX21_DRV_IMP_CLK_EN1_SHIFT (26)
+#define RG_HDMITX21_DRV_IMP_D0_EN1 GENMASK(13, 8)
+#define RG_HDMITX21_DRV_IMP_D0_EN1_SHIFT (8)
+#define RG_HDMITX21_DRV_IMP_D1_EN1 GENMASK(19, 14)
+#define RG_HDMITX21_DRV_IMP_D1_EN1_SHIFT (14)
+#define RG_HDMITX21_DRV_IMP_D2_EN1 GENMASK(25, 20)
+#define RG_HDMITX21_DRV_IMP_D2_EN1_SHIFT (20)
+#define RG_HDMITX21_DRV_IMP_EN GENMASK(23, 20)
+#define RG_HDMITX21_DRV_IMP_EN_SHIFT (20)
+
+#define RG_HDMITX21_FRL_CK_EN BIT(13)
+#define RG_HDMITX21_FRL_CK_EN_SHIFT (13)
+#define RG_HDMITX21_FRL_D0_EN BIT(14)
+#define RG_HDMITX21_FRL_D0_EN_SHIFT (14)
+#define RG_HDMITX21_FRL_D1_EN BIT(15)
+#define RG_HDMITX21_FRL_D1_EN_SHIFT (15)
+#define RG_HDMITX21_FRL_D2_EN BIT(16)
+#define RG_HDMITX21_FRL_D2_EN_SHIFT (16)
+#define RG_HDMITX21_FRL_EN BIT(12)
+#define RG_HDMITX21_FRL_EN_SHIFT (12)
+
+#define RG_HDMITX21_INTR_CAL GENMASK(22, 18)
+#define RG_HDMITX21_INTR_CAL_READOUT GENMASK(22, 18)
+#define RG_HDMITX21_INTR_CAL_READOUT_SHIFT (18)
+#define RG_HDMITX21_INTR_CAL_SHIFT (18)
+
+#define RG_HDMITX21_SER_EN GENMASK(31, 28)
+#define RG_HDMITX21_SER_EN_SHIFT (28)
+
+#define RG_HDMITX21_SLDOLPF_EN BIT(7)
+#define RG_HDMITX21_SLDOLPF_EN_SHIFT (7)
+#define RG_HDMITX21_SLDO_EN GENMASK(11, 8)
+#define RG_HDMITX21_SLDO_EN_SHIFT (8)
+#define RG_HDMITX21_SLDO_VREF_SEL GENMASK(5, 4)
+#define RG_HDMITX21_SLDO_VREF_SEL_SHIFT (4)
+
+#define RG_HDMITX21_TX_POSDIV GENMASK(27, 26)
+#define RG_HDMITX21_TX_POSDIV_EN GENMASK(28, 28)
+#define RG_HDMITX21_TX_POSDIV_EN_SHIFT (28)
+#define RG_HDMITX21_TX_POSDIV_SHIFT (26)
+
+#define RG_HDMITX21_VREF_SEL BIT(4)
+#define RG_HDMITX21_VREF_SEL_SHIFT (4)
+
+#define RG_HDMITXPLL_BC GENMASK(28, 27)
+#define RG_HDMITXPLL_BC_SHIFT (27)
+#define RG_HDMITXPLL_BP GENMASK(13, 10)
+#define RG_HDMITXPLL_BP2 BIT(30)
+#define RG_HDMITXPLL_BP2_SHIFT (30)
+#define RG_HDMITXPLL_BP_SHIFT (10)
+#define RG_HDMITXPLL_BR GENMASK(21, 19)
+#define RG_HDMITXPLL_BR_SHIFT (19)
+#define RG_HDMITXPLL_DIV_CTRL GENMASK(25, 24)
+#define RG_HDMITXPLL_DIV_CTRL_SHIFT (24)
+#define RG_HDMITXPLL_FBKDIV_HIGH BIT(31)
+#define RG_HDMITXPLL_FBKDIV_high_SHIFT (31)
+#define RG_HDMITXPLL_FBKDIV_low (0xffffffff)
+#define RG_HDMITXPLL_FBKDIV_low_SHIFT (0)
+#define RG_HDMITXPLL_HIKVCO GENMASK(29, 29)
+#define RG_HDMITXPLL_HIKVCO_SHIFT (29)
+#define RG_HDMITXPLL_HREN GENMASK(13, 12)
+#define RG_HDMITXPLL_HREN_SHIFT (12)
+#define RG_HDMITXPLL_IBAND_FIX_EN GENMASK(24, 24)
+#define RG_HDMITXPLL_IBAND_FIX_EN_SHIFT (24)
+#define RG_HDMITXPLL_IC GENMASK(26, 22)
+#define RG_HDMITXPLL_IC_SHIFT (22)
+#define RG_HDMITXPLL_IR GENMASK(18, 14)
+#define RG_HDMITXPLL_IR_SHIFT (14)
+#define RG_HDMITXPLL_LVR_SEL GENMASK(27, 26)
+#define RG_HDMITXPLL_LVR_SEL_SHIFT (26)
+#define RG_HDMITXPLL_POSDIV GENMASK(23, 22)
+#define RG_HDMITXPLL_POSDIV_DIV3_CTRL BIT(21)
+#define RG_HDMITXPLL_POSDIV_DIV3_CTRL_SHIFT (21)
+#define RG_HDMITXPLL_POSDIV_SHIFT (22)
+#define RG_HDMITXPLL_PREDIV GENMASK(29, 28)
+#define RG_HDMITXPLL_PREDIV_SHIFT (28)
+#define RG_HDMITXPLL_PWD BIT(31)
+#define RG_HDMITXPLL_PWD_SHIFT (31)
+#define RG_HDMITXPLL_REF_CK_SEL GENMASK(2, 1)
+#define RG_HDMITXPLL_REF_CK_SEL_SHIFT (1)
+#define RG_HDMITXPLL_RESERVE GENMASK(15, 0)
+#define RG_HDMITXPLL_RESERVE_BIT12_11 GENMASK(12, 11)
+#define RG_HDMITXPLL_RESERVE_BIT12_11_SHIFT (11)
+#define RG_HDMITXPLL_RESERVE_BIT13 BIT(13)
+#define RG_HDMITXPLL_RESERVE_BIT13_SHIFT (13)
+#define RG_HDMITXPLL_RESERVE_BIT14 BIT(14)
+#define RG_HDMITXPLL_RESERVE_BIT14_SHIFT (14)
+#define RG_HDMITXPLL_RESERVE_BIT1_0 GENMASK(1, 0)
+#define RG_HDMITXPLL_RESERVE_BIT1_0_SHIFT (0)
+#define RG_HDMITXPLL_RESERVE_BIT3_2 GENMASK(3, 2)
+#define RG_HDMITXPLL_RESERVE_BIT3_2_SHIFT (2)
+#define RG_HDMITXPLL_RESERVE_SHIFT (0)
+#define RG_HDMITXPLL_TCL_EN BIT(31)
+#define RG_HDMITXPLL_TCL_EN_SHIFT (31)
+
+#define RG_INTR_IMP_RG_MODE GENMASK(7, 3)
+#define RG_INTR_IMP_RG_MODE_SHIFT (3)
+
+#endif /* MTK_HDMI_PHY_8195_H */
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c 
b/drivers/phy/mediatek/phy-mtk-hdmi.c
index af46472237e0..3fb60ab53668 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
@@ -194,6 +194,9 @@ static const struct of_device_id mtk_hdmi_phy_match[] = {
        { .compatible = "mediatek,mt8173-hdmi-phy",
          .data = &mtk_hdmi_phy_8173_conf,
        },
+       { .compatible = "mediatek,mt8195-hdmi-phy",
+         .data = &mtk_hdmi_phy_8195_conf,
+       },
        {},
 };
 MODULE_DEVICE_TABLE(of, mtk_hdmi_phy_match);
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h 
b/drivers/phy/mediatek/phy-mtk-hdmi.h
index 05de93f63a61..9d6399be71e9 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.h
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
@@ -51,6 +51,7 @@ 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 mtk_hdmi_phy_conf mtk_hdmi_phy_8195_conf;
 extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
 extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf;
 

-- 
b4 0.10.0-dev

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