drm/msm/dsi: move ioremaps to dsi_phy_driver_probe

All PHY drivers would map dsi_pll area. Some PHY drivers would also
map dsi_phy area again (a leftover from old PHY/PLL separation). Move
all ioremaps to the common dsi_phy driver code and drop individual
ioremapped areas from PHY drivers.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Tested-by: Stephen Boyd <swboyd@chromium.org> # on sc7180 lazor
Link: https://lore.kernel.org/r/20210331105735.3690009-21-dmitry.baryshkov@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>

7 files changed, 108 insertions, 163 deletions

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 2c5ccead3baa..344887025720 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -682,6 +682,13 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
+	phy->pll_base = msm_ioremap(pdev, "dsi_pll", "DSI_PLL");
+	if (IS_ERR(phy->pll_base)) {
+		DRM_DEV_ERROR(&pdev->dev, "%s: failed to map pll base\n", __func__);
+		ret = -ENOMEM;
+		goto fail;
+	}
+
 	if (phy->cfg->has_phy_lane) {
 		phy->lane_base = msm_ioremap(pdev, "dsi_phy_lane", "DSI_PHY_LANE");
 		if (IS_ERR(phy->lane_base)) {
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index 5a72b030376b..7748f8b5ea53 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -88,6 +88,7 @@ struct msm_dsi_dphy_timing {
 struct msm_dsi_phy {
 	struct platform_device *pdev;
 	void __iomem *base;
+	void __iomem *pll_base;
 	void __iomem *reg_base;
 	void __iomem *lane_base;
 	int id;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
index 2b188c6a0a7a..ef92c3f38a9a 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
@@ -91,9 +91,6 @@ struct dsi_pll_10nm {
 
 	struct msm_dsi_phy *phy;
 
-	void __iomem *phy_cmn_mmio;
-	void __iomem *mmio;
-
 	u64 vco_ref_clk_rate;
 	u64 vco_current_rate;
 
@@ -228,7 +225,7 @@ static void dsi_pll_calc_ssc(struct dsi_pll_10nm *pll)
 
 static void dsi_pll_ssc_commit(struct dsi_pll_10nm *pll)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 	struct dsi_pll_regs *regs = &pll->reg_setup;
 
 	if (pll->pll_configuration.enable_ssc) {
@@ -253,7 +250,7 @@ static void dsi_pll_ssc_commit(struct dsi_pll_10nm *pll)
 
 static void dsi_pll_config_hzindep_reg(struct dsi_pll_10nm *pll)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 
 	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_ONE, 0x80);
 	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_TWO, 0x03);
@@ -279,7 +276,7 @@ static void dsi_pll_config_hzindep_reg(struct dsi_pll_10nm *pll)
 
 static void dsi_pll_commit(struct dsi_pll_10nm *pll)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 	struct dsi_pll_regs *reg = &pll->reg_setup;
 
 	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CORE_INPUT_OVERRIDE, 0x12);
@@ -336,7 +333,7 @@ static int dsi_pll_10nm_lock_status(struct dsi_pll_10nm *pll)
 	u32 const delay_us = 100;
 	u32 const timeout_us = 5000;
 
-	rc = readl_poll_timeout_atomic(pll->mmio +
+	rc = readl_poll_timeout_atomic(pll->phy->pll_base +
 				       REG_DSI_10nm_PHY_PLL_COMMON_STATUS_ONE,
 				       status,
 				       ((status & BIT(0)) > 0),
@@ -351,21 +348,21 @@ static int dsi_pll_10nm_lock_status(struct dsi_pll_10nm *pll)
 
 static void dsi_pll_disable_pll_bias(struct dsi_pll_10nm *pll)
 {
-	u32 data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0);
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0);
 
-	dsi_phy_write(pll->mmio + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0);
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0,
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0);
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0,
 		  data & ~BIT(5));
 	ndelay(250);
 }
 
 static void dsi_pll_enable_pll_bias(struct dsi_pll_10nm *pll)
 {
-	u32 data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0);
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0);
 
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CTRL_0,
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0,
 		  data | BIT(5));
-	dsi_phy_write(pll->mmio + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0xc0);
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0xc0);
 	ndelay(250);
 }
 
@@ -373,8 +370,8 @@ static void dsi_pll_disable_global_clk(struct dsi_pll_10nm *pll)
 {
 	u32 data;
 
-	data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1,
+	data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1,
 		  data & ~BIT(5));
 }
 
@@ -382,8 +379,8 @@ static void dsi_pll_enable_global_clk(struct dsi_pll_10nm *pll)
 {
 	u32 data;
 
-	data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG1,
+	data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1,
 		  data | BIT(5));
 }
 
@@ -404,7 +401,7 @@ static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw)
 	}
 
 	/* Start PLL */
-	dsi_phy_write(pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_PLL_CNTRL,
+	dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL,
 		  0x01);
 
 	/*
@@ -426,10 +423,10 @@ static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw)
 	if (pll_10nm->slave)
 		dsi_pll_enable_global_clk(pll_10nm->slave);
 
-	dsi_phy_write(pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_RBUF_CTRL,
+	dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_RBUF_CTRL,
 		  0x01);
 	if (pll_10nm->slave)
-		dsi_phy_write(pll_10nm->slave->phy_cmn_mmio +
+		dsi_phy_write(pll_10nm->slave->phy->base +
 			  REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0x01);
 
 error:
@@ -438,7 +435,7 @@ error:
 
 static void dsi_pll_disable_sub(struct dsi_pll_10nm *pll)
 {
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0);
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0);
 	dsi_pll_disable_pll_bias(pll);
 }
 
@@ -452,7 +449,7 @@ static void dsi_pll_10nm_vco_unprepare(struct clk_hw *hw)
 	 * powering down the PLL
 	 */
 	dsi_pll_disable_global_clk(pll_10nm);
-	dsi_phy_write(pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, 0);
+	dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, 0);
 	dsi_pll_disable_sub(pll_10nm);
 	if (pll_10nm->slave) {
 		dsi_pll_disable_global_clk(pll_10nm->slave);
@@ -468,7 +465,7 @@ static unsigned long dsi_pll_10nm_vco_recalc_rate(struct clk_hw *hw,
 {
 	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(hw);
 	struct dsi_pll_config *config = &pll_10nm->pll_configuration;
-	void __iomem *base = pll_10nm->mmio;
+	void __iomem *base = pll_10nm->phy->pll_base;
 	u64 ref_clk = pll_10nm->vco_ref_clk_rate;
 	u64 vco_rate = 0x0;
 	u64 multiplier;
@@ -531,10 +528,10 @@ static void dsi_10nm_pll_save_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->vco_hw);
 	struct pll_10nm_cached_state *cached = &pll_10nm->cached_state;
-	void __iomem *phy_base = pll_10nm->phy_cmn_mmio;
+	void __iomem *phy_base = pll_10nm->phy->base;
 	u32 cmn_clk_cfg0, cmn_clk_cfg1;
 
-	cached->pll_out_div = dsi_phy_read(pll_10nm->mmio +
+	cached->pll_out_div = dsi_phy_read(pll_10nm->phy->pll_base +
 				       REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE);
 	cached->pll_out_div &= 0x3;
 
@@ -554,14 +551,14 @@ static int dsi_10nm_pll_restore_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->vco_hw);
 	struct pll_10nm_cached_state *cached = &pll_10nm->cached_state;
-	void __iomem *phy_base = pll_10nm->phy_cmn_mmio;
+	void __iomem *phy_base = pll_10nm->phy->base;
 	u32 val;
 	int ret;
 
-	val = dsi_phy_read(pll_10nm->mmio + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE);
+	val = dsi_phy_read(pll_10nm->phy->pll_base + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE);
 	val &= ~0x3;
 	val |= cached->pll_out_div;
-	dsi_phy_write(pll_10nm->mmio + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, val);
+	dsi_phy_write(pll_10nm->phy->pll_base + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, val);
 
 	dsi_phy_write(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG0,
 		  cached->bit_clk_div | (cached->pix_clk_div << 4));
@@ -588,7 +585,7 @@ static int dsi_10nm_pll_restore_state(struct msm_dsi_phy *phy)
 static int dsi_10nm_set_usecase(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->vco_hw);
-	void __iomem *base = pll_10nm->phy_cmn_mmio;
+	void __iomem *base = phy->base;
 	u32 data = 0x0;	/* internal PLL */
 
 	DBG("DSI PLL%d", pll_10nm->id);
@@ -647,7 +644,7 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov
 
 	hw = devm_clk_hw_register_divider(dev, clk_name,
 				     parent, CLK_SET_RATE_PARENT,
-				     pll_10nm->mmio +
+				     pll_10nm->phy->pll_base +
 				     REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE,
 				     0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL);
 	if (IS_ERR(hw)) {
@@ -661,7 +658,7 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov
 	/* BIT CLK: DIV_CTRL_3_0 */
 	hw = devm_clk_hw_register_divider(dev, clk_name, parent,
 				     CLK_SET_RATE_PARENT,
-				     pll_10nm->phy_cmn_mmio +
+				     pll_10nm->phy->base +
 				     REG_DSI_10nm_PHY_CMN_CLK_CFG0,
 				     0, 4, CLK_DIVIDER_ONE_BASED,
 				     &pll_10nm->postdiv_lock);
@@ -712,7 +709,7 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov
 	hw = devm_clk_hw_register_mux(dev, clk_name,
 				 ((const char *[]){
 				 parent, parent2, parent3, parent4
-				 }), 4, 0, pll_10nm->phy_cmn_mmio +
+				 }), 4, 0, pll_10nm->phy->base +
 				 REG_DSI_10nm_PHY_CMN_CLK_CFG1,
 				 0, 2, 0, NULL);
 	if (IS_ERR(hw)) {
@@ -725,7 +722,7 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov
 
 	/* PIX CLK DIV : DIV_CTRL_7_4*/
 	hw = devm_clk_hw_register_divider(dev, clk_name, parent,
-				     0, pll_10nm->phy_cmn_mmio +
+				     0, pll_10nm->phy->base +
 					REG_DSI_10nm_PHY_CMN_CLK_CFG0,
 				     4, 4, CLK_DIVIDER_ONE_BASED,
 				     &pll_10nm->postdiv_lock);
@@ -760,18 +757,6 @@ static int dsi_pll_10nm_init(struct msm_dsi_phy *phy)
 	pll_10nm->id = id;
 	pll_10nm_list[id] = pll_10nm;
 
-	pll_10nm->phy_cmn_mmio = msm_ioremap(pdev, "dsi_phy", "DSI_PHY");
-	if (IS_ERR_OR_NULL(pll_10nm->phy_cmn_mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "failed to map CMN PHY base\n");
-		return -ENOMEM;
-	}
-
-	pll_10nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL");
-	if (IS_ERR_OR_NULL(pll_10nm->mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "failed to map PLL base\n");
-		return -ENOMEM;
-	}
-
 	spin_lock_init(&pll_10nm->postdiv_lock);
 
 	pll_10nm->phy = phy;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
index 9b4d7c5617a2..56d63d53b6a5 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
@@ -118,9 +118,6 @@ struct dsi_pll_14nm {
 	int id;
 	struct platform_device *pdev;
 
-	void __iomem *phy_cmn_mmio;
-	void __iomem *mmio;
-
 	struct msm_dsi_phy *phy;
 
 	struct dsi_pll_input in;
@@ -167,7 +164,7 @@ static bool pll_14nm_poll_for_ready(struct dsi_pll_14nm *pll_14nm,
 				    u32 nb_tries, u32 timeout_us)
 {
 	bool pll_locked = false;
-	void __iomem *base = pll_14nm->mmio;
+	void __iomem *base = pll_14nm->phy->pll_base;
 	u32 tries, val;
 
 	tries = nb_tries;
@@ -380,7 +377,7 @@ static void pll_14nm_calc_vco_count(struct dsi_pll_14nm *pll)
 
 static void pll_db_commit_ssc(struct dsi_pll_14nm *pll)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 	struct dsi_pll_input *pin = &pll->in;
 	struct dsi_pll_output *pout = &pll->out;
 	u8 data;
@@ -418,7 +415,7 @@ static void pll_db_commit_common(struct dsi_pll_14nm *pll,
 				 struct dsi_pll_input *pin,
 				 struct dsi_pll_output *pout)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 	u8 data;
 
 	/* confgiure the non frequency dependent pll registers */
@@ -478,7 +475,7 @@ static void pll_db_commit_common(struct dsi_pll_14nm *pll,
 
 static void pll_14nm_software_reset(struct dsi_pll_14nm *pll_14nm)
 {
-	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
+	void __iomem *cmn_base = pll_14nm->phy->base;
 
 	/* de assert pll start and apply pll sw reset */
 
@@ -497,8 +494,8 @@ static void pll_db_commit_14nm(struct dsi_pll_14nm *pll,
 			       struct dsi_pll_input *pin,
 			       struct dsi_pll_output *pout)
 {
-	void __iomem *base = pll->mmio;
-	void __iomem *cmn_base = pll->phy_cmn_mmio;
+	void __iomem *base = pll->phy->pll_base;
+	void __iomem *cmn_base = pll->phy->base;
 	u8 data;
 
 	DBG("DSI%d PLL", pll->id);
@@ -614,7 +611,7 @@ static unsigned long dsi_pll_14nm_vco_recalc_rate(struct clk_hw *hw,
 						  unsigned long parent_rate)
 {
 	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
-	void __iomem *base = pll_14nm->mmio;
+	void __iomem *base = pll_14nm->phy->pll_base;
 	u64 vco_rate, multiplier = BIT(20);
 	u32 div_frac_start;
 	u32 dec_start;
@@ -653,8 +650,8 @@ static unsigned long dsi_pll_14nm_vco_recalc_rate(struct clk_hw *hw,
 static int dsi_pll_14nm_vco_prepare(struct clk_hw *hw)
 {
 	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
-	void __iomem *base = pll_14nm->mmio;
-	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
+	void __iomem *base = pll_14nm->phy->pll_base;
+	void __iomem *cmn_base = pll_14nm->phy->base;
 	bool locked;
 
 	DBG("");
@@ -682,7 +679,7 @@ static int dsi_pll_14nm_vco_prepare(struct clk_hw *hw)
 static void dsi_pll_14nm_vco_unprepare(struct clk_hw *hw)
 {
 	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
-	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
+	void __iomem *cmn_base = pll_14nm->phy->base;
 
 	DBG("");
 
@@ -724,7 +721,7 @@ static unsigned long dsi_pll_14nm_postdiv_recalc_rate(struct clk_hw *hw,
 {
 	struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw);
 	struct dsi_pll_14nm *pll_14nm = postdiv->pll;
-	void __iomem *base = pll_14nm->phy_cmn_mmio;
+	void __iomem *base = pll_14nm->phy->base;
 	u8 shift = postdiv->shift;
 	u8 width = postdiv->width;
 	u32 val;
@@ -757,7 +754,7 @@ static int dsi_pll_14nm_postdiv_set_rate(struct clk_hw *hw, unsigned long rate,
 {
 	struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw);
 	struct dsi_pll_14nm *pll_14nm = postdiv->pll;
-	void __iomem *base = pll_14nm->phy_cmn_mmio;
+	void __iomem *base = pll_14nm->phy->base;
 	spinlock_t *lock = &pll_14nm->postdiv_lock;
 	u8 shift = postdiv->shift;
 	u8 width = postdiv->width;
@@ -784,7 +781,7 @@ static int dsi_pll_14nm_postdiv_set_rate(struct clk_hw *hw, unsigned long rate,
 	 */
 	if (pll_14nm->phy->usecase == MSM_DSI_PHY_MASTER) {
 		struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave;
-		void __iomem *slave_base = pll_14nm_slave->phy_cmn_mmio;
+		void __iomem *slave_base = pll_14nm_slave->phy->base;
 
 		dsi_phy_write(slave_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, val);
 	}
@@ -808,7 +805,7 @@ static void dsi_14nm_pll_save_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->vco_hw);
 	struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state;
-	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
+	void __iomem *cmn_base = pll_14nm->phy->base;
 	u32 data;
 
 	data = dsi_phy_read(cmn_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0);
@@ -826,7 +823,7 @@ static int dsi_14nm_pll_restore_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->vco_hw);
 	struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state;
-	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
+	void __iomem *cmn_base = pll_14nm->phy->base;
 	u32 data;
 	int ret;
 
@@ -848,7 +845,7 @@ static int dsi_14nm_pll_restore_state(struct msm_dsi_phy *phy)
 	/* also restore post-dividers for slave DSI PLL */
 	if (phy->usecase == MSM_DSI_PHY_MASTER) {
 		struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave;
-		void __iomem *slave_base = pll_14nm_slave->phy_cmn_mmio;
+		void __iomem *slave_base = pll_14nm_slave->phy->base;
 
 		dsi_phy_write(slave_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, data);
 	}
@@ -859,7 +856,7 @@ static int dsi_14nm_pll_restore_state(struct msm_dsi_phy *phy)
 static int dsi_14nm_set_usecase(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->vco_hw);
-	void __iomem *base = pll_14nm->mmio;
+	void __iomem *base = phy->pll_base;
 	u32 clkbuflr_en, bandgap = 0;
 
 	switch (phy->usecase) {
@@ -1011,18 +1008,6 @@ static int dsi_pll_14nm_init(struct msm_dsi_phy *phy)
 	pll_14nm->id = id;
 	pll_14nm_list[id] = pll_14nm;
 
-	pll_14nm->phy_cmn_mmio = msm_ioremap(pdev, "dsi_phy", "DSI_PHY");
-	if (IS_ERR_OR_NULL(pll_14nm->phy_cmn_mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "failed to map CMN PHY base\n");
-		return -ENOMEM;
-	}
-
-	pll_14nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL");
-	if (IS_ERR_OR_NULL(pll_14nm->mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "failed to map PLL base\n");
-		return -ENOMEM;
-	}
-
 	spin_lock_init(&pll_14nm->postdiv_lock);
 
 	pll_14nm->phy = phy;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index 731dc0a20ff5..f198609882fd 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -72,8 +72,6 @@ struct dsi_pll_28nm {
 
 	struct msm_dsi_phy *phy;
 
-	void __iomem *mmio;
-
 	struct pll_28nm_cached_state cached_state;
 };
 
@@ -86,7 +84,7 @@ static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm,
 	u32 val;
 
 	while (nb_tries--) {
-		val = dsi_phy_read(pll_28nm->mmio + REG_DSI_28nm_PHY_PLL_STATUS);
+		val = dsi_phy_read(pll_28nm->phy->pll_base + REG_DSI_28nm_PHY_PLL_STATUS);
 		pll_locked = !!(val & DSI_28nm_PHY_PLL_STATUS_PLL_RDY);
 
 		if (pll_locked)
@@ -101,7 +99,7 @@ static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm,
 
 static void pll_28nm_software_reset(struct dsi_pll_28nm *pll_28nm)
 {
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 
 	/*
 	 * Add HW recommended delays after toggling the software
@@ -120,7 +118,7 @@ static int dsi_pll_28nm_clk_set_rate(struct clk_hw *hw, unsigned long rate,
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
 	struct device *dev = &pll_28nm->pdev->dev;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	unsigned long div_fbx1000, gen_vco_clk;
 	u32 refclk_cfg, frac_n_mode, frac_n_value;
 	u32 sdm_cfg0, sdm_cfg1, sdm_cfg2, sdm_cfg3;
@@ -244,7 +242,7 @@ static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
 		unsigned long parent_rate)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	u32 sdm0, doubler, sdm_byp_div;
 	u32 sdm_dc_off, sdm_freq_seed, sdm2, sdm3;
 	u32 ref_clk = VCO_REF_CLK_RATE;
@@ -291,7 +289,7 @@ static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
 static int _dsi_pll_28nm_vco_prepare_hpm(struct dsi_pll_28nm *pll_28nm)
 {
 	struct device *dev = &pll_28nm->pdev->dev;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	u32 max_reads = 5, timeout_us = 100;
 	bool locked;
 	u32 val;
@@ -385,7 +383,7 @@ static int dsi_pll_28nm_vco_prepare_lp(struct clk_hw *hw)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
 	struct device *dev = &pll_28nm->pdev->dev;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	bool locked;
 	u32 max_reads = 10, timeout_us = 50;
 	u32 val;
@@ -439,7 +437,7 @@ static void dsi_pll_28nm_vco_unprepare(struct clk_hw *hw)
 	if (unlikely(!pll_28nm->phy->pll_on))
 		return;
 
-	dsi_phy_write(pll_28nm->mmio + REG_DSI_28nm_PHY_PLL_GLB_CFG, 0x00);
+	dsi_phy_write(pll_28nm->phy->pll_base + REG_DSI_28nm_PHY_PLL_GLB_CFG, 0x00);
 
 	pll_28nm->phy->pll_on = false;
 }
@@ -483,7 +481,7 @@ static void dsi_28nm_pll_save_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
 	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 
 	cached_state->postdiv3 =
 			dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG);
@@ -500,7 +498,7 @@ static int dsi_28nm_pll_restore_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
 	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	int ret;
 
 	ret = dsi_pll_28nm_clk_set_rate(phy->vco_hw,
@@ -551,7 +549,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov
 	snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id);
 	hw = devm_clk_hw_register_divider(dev, clk_name,
 			parent1, CLK_SET_RATE_PARENT,
-			pll_28nm->mmio +
+			pll_28nm->phy->pll_base +
 			REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG,
 			0, 4, 0, NULL);
 	if (IS_ERR(hw))
@@ -568,7 +566,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov
 	snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id);
 	snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id);
 	hw = devm_clk_hw_register_divider(dev, clk_name,
-				parent1, 0, pll_28nm->mmio +
+				parent1, 0, pll_28nm->phy->pll_base +
 				REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG,
 				0, 8, 0, NULL);
 	if (IS_ERR(hw))
@@ -581,7 +579,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov
 	hw = devm_clk_hw_register_mux(dev, clk_name,
 			((const char *[]){
 				parent1, parent2
-			}), 2, CLK_SET_RATE_PARENT, pll_28nm->mmio +
+			}), 2, CLK_SET_RATE_PARENT, pll_28nm->phy->pll_base +
 			REG_DSI_28nm_PHY_PLL_VREG_CFG, 1, 1, 0, NULL);
 	if (IS_ERR(hw))
 		return PTR_ERR(hw);
@@ -613,13 +611,6 @@ static int dsi_pll_28nm_init(struct msm_dsi_phy *phy)
 
 	pll_28nm->pdev = pdev;
 	pll_28nm->id = id;
-
-	pll_28nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL");
-	if (IS_ERR_OR_NULL(pll_28nm->mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "%s: failed to map pll base\n", __func__);
-		return -ENOMEM;
-	}
-
 	pll_28nm->phy = phy;
 
 	ret = pll_28nm_register(pll_28nm, phy->provided_clocks->hws);
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
index 4bc6fab3a9aa..a5f1a8520706 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
@@ -64,8 +64,6 @@ struct dsi_pll_28nm {
 
 	struct msm_dsi_phy *phy;
 
-	void __iomem *mmio;
-
 	struct pll_28nm_cached_state cached_state;
 };
 
@@ -78,7 +76,7 @@ static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm,
 	u32 val;
 
 	while (nb_tries--) {
-		val = dsi_phy_read(pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_RDY);
+		val = dsi_phy_read(pll_28nm->phy->pll_base + REG_DSI_28nm_8960_PHY_PLL_RDY);
 		pll_locked = !!(val & DSI_28nm_8960_PHY_PLL_RDY_PLL_RDY);
 
 		if (pll_locked)
@@ -98,7 +96,7 @@ static int dsi_pll_28nm_clk_set_rate(struct clk_hw *hw, unsigned long rate,
 				     unsigned long parent_rate)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	u32 val, temp, fb_divider;
 
 	DBG("rate=%lu, parent's=%lu", rate, parent_rate);
@@ -147,7 +145,7 @@ static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
 						  unsigned long parent_rate)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	unsigned long vco_rate;
 	u32 status, fb_divider, temp, ref_divider;
 
@@ -181,7 +179,7 @@ static int dsi_pll_28nm_vco_prepare(struct clk_hw *hw)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
 	struct device *dev = &pll_28nm->pdev->dev;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	bool locked;
 	unsigned int bit_div, byte_div;
 	int max_reads = 1000, timeout_us = 100;
@@ -234,7 +232,7 @@ static void dsi_pll_28nm_vco_unprepare(struct clk_hw *hw)
 	if (unlikely(!pll_28nm->phy->pll_on))
 		return;
 
-	dsi_phy_write(pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_CTRL_0, 0x00);
+	dsi_phy_write(pll_28nm->phy->pll_base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0, 0x00);
 
 	pll_28nm->phy->pll_on = false;
 }
@@ -348,7 +346,7 @@ static void dsi_28nm_pll_save_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
 	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 
 	cached_state->postdiv3 =
 			dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_10);
@@ -364,7 +362,7 @@ static int dsi_28nm_pll_restore_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
 	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
-	void __iomem *base = pll_28nm->mmio;
+	void __iomem *base = pll_28nm->phy->pll_base;
 	int ret;
 
 	ret = dsi_pll_28nm_clk_set_rate(phy->vco_hw,
@@ -425,7 +423,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov
 
 	/* prepare and register bytediv */
 	bytediv->hw.init = &bytediv_init;
-	bytediv->reg = pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_CTRL_9;
+	bytediv->reg = pll_28nm->phy->pll_base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9;
 
 	snprintf(parent_name, 32, "dsi%dvco_clk", pll_28nm->id);
 	snprintf(clk_name, 32, "dsi%dpllbyte", pll_28nm->id);
@@ -445,7 +443,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov
 	snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id);
 	/* DIV3 */
 	hw = devm_clk_hw_register_divider(dev, clk_name,
-				parent_name, 0, pll_28nm->mmio +
+				parent_name, 0, pll_28nm->phy->pll_base +
 				REG_DSI_28nm_8960_PHY_PLL_CTRL_10,
 				0, 8, 0, NULL);
 	if (IS_ERR(hw))
@@ -471,13 +469,6 @@ static int dsi_pll_28nm_8960_init(struct msm_dsi_phy *phy)
 
 	pll_28nm->pdev = pdev;
 	pll_28nm->id = id + 1;
-
-	pll_28nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL");
-	if (IS_ERR_OR_NULL(pll_28nm->mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "%s: failed to map pll base\n", __func__);
-		return -ENOMEM;
-	}
-
 	pll_28nm->phy = phy;
 
 	ret = pll_28nm_register(pll_28nm, phy->provided_clocks->hws);
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
index 6c863e685ea7..523e46aa4c38 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -91,9 +91,6 @@ struct dsi_pll_7nm {
 
 	struct msm_dsi_phy *phy;
 
-	void __iomem *phy_cmn_mmio;
-	void __iomem *mmio;
-
 	u64 vco_ref_clk_rate;
 	u64 vco_current_rate;
 
@@ -231,7 +228,7 @@ static void dsi_pll_calc_ssc(struct dsi_pll_7nm *pll)
 
 static void dsi_pll_ssc_commit(struct dsi_pll_7nm *pll)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 	struct dsi_pll_regs *regs = &pll->reg_setup;
 
 	if (pll->pll_configuration.enable_ssc) {
@@ -256,7 +253,7 @@ static void dsi_pll_ssc_commit(struct dsi_pll_7nm *pll)
 
 static void dsi_pll_config_hzindep_reg(struct dsi_pll_7nm *pll)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 	u8 analog_controls_five_1 = 0x01, vco_config_1 = 0x00;
 
 	if (pll->phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1) {
@@ -298,13 +295,13 @@ static void dsi_pll_config_hzindep_reg(struct dsi_pll_7nm *pll)
 	if (pll->phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1) {
 		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE, 0x22);
 		if (pll->slave)
-			dsi_phy_write(pll->slave->mmio + REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE, 0x22);
+			dsi_phy_write(pll->slave->phy->pll_base + REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE, 0x22);
 	}
 }
 
 static void dsi_pll_commit(struct dsi_pll_7nm *pll)
 {
-	void __iomem *base = pll->mmio;
+	void __iomem *base = pll->phy->pll_base;
 	struct dsi_pll_regs *reg = &pll->reg_setup;
 
 	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CORE_INPUT_OVERRIDE, 0x12);
@@ -354,7 +351,7 @@ static int dsi_pll_7nm_lock_status(struct dsi_pll_7nm *pll)
 	u32 const delay_us = 100;
 	u32 const timeout_us = 5000;
 
-	rc = readl_poll_timeout_atomic(pll->mmio +
+	rc = readl_poll_timeout_atomic(pll->phy->pll_base +
 				       REG_DSI_7nm_PHY_PLL_COMMON_STATUS_ONE,
 				       status,
 				       ((status & BIT(0)) > 0),
@@ -369,19 +366,19 @@ static int dsi_pll_7nm_lock_status(struct dsi_pll_7nm *pll)
 
 static void dsi_pll_disable_pll_bias(struct dsi_pll_7nm *pll)
 {
-	u32 data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0);
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0);
 
-	dsi_phy_write(pll->mmio + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0);
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0, data & ~BIT(5));
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0, data & ~BIT(5));
 	ndelay(250);
 }
 
 static void dsi_pll_enable_pll_bias(struct dsi_pll_7nm *pll)
 {
-	u32 data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0);
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0);
 
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_0, data | BIT(5));
-	dsi_phy_write(pll->mmio + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0xc0);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0, data | BIT(5));
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0xc0);
 	ndelay(250);
 }
 
@@ -389,18 +386,18 @@ static void dsi_pll_disable_global_clk(struct dsi_pll_7nm *pll)
 {
 	u32 data;
 
-	data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1, data & ~BIT(5));
+	data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, data & ~BIT(5));
 }
 
 static void dsi_pll_enable_global_clk(struct dsi_pll_7nm *pll)
 {
 	u32 data;
 
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CTRL_3, 0x04);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_3, 0x04);
 
-	data = dsi_phy_read(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG1,
+	data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1,
 		  data | BIT(5) | BIT(4));
 }
 
@@ -411,9 +408,9 @@ static void dsi_pll_phy_dig_reset(struct dsi_pll_7nm *pll)
 	 * coming out of a CX or analog rail power collapse while
 	 * ensuring that the pads maintain LP00 or LP11 state
 	 */
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, BIT(0));
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, BIT(0));
 	wmb(); /* Ensure that the reset is deasserted */
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, 0x0);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, 0x0);
 	wmb(); /* Ensure that the reset is deasserted */
 }
 
@@ -427,7 +424,7 @@ static int dsi_pll_7nm_vco_prepare(struct clk_hw *hw)
 		dsi_pll_enable_pll_bias(pll_7nm->slave);
 
 	/* Start PLL */
-	dsi_phy_write(pll_7nm->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0x01);
+	dsi_phy_write(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0x01);
 
 	/*
 	 * ensure all PLL configurations are written prior to checking
@@ -463,7 +460,7 @@ error:
 
 static void dsi_pll_disable_sub(struct dsi_pll_7nm *pll)
 {
-	dsi_phy_write(pll->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_RBUF_CTRL, 0);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_RBUF_CTRL, 0);
 	dsi_pll_disable_pll_bias(pll);
 }
 
@@ -477,7 +474,7 @@ static void dsi_pll_7nm_vco_unprepare(struct clk_hw *hw)
 	 * powering down the PLL
 	 */
 	dsi_pll_disable_global_clk(pll_7nm);
-	dsi_phy_write(pll_7nm->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0);
+	dsi_phy_write(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0);
 	dsi_pll_disable_sub(pll_7nm);
 	if (pll_7nm->slave) {
 		dsi_pll_disable_global_clk(pll_7nm->slave);
@@ -493,7 +490,7 @@ static unsigned long dsi_pll_7nm_vco_recalc_rate(struct clk_hw *hw,
 {
 	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(hw);
 	struct dsi_pll_config *config = &pll_7nm->pll_configuration;
-	void __iomem *base = pll_7nm->mmio;
+	void __iomem *base = pll_7nm->phy->pll_base;
 	u64 ref_clk = pll_7nm->vco_ref_clk_rate;
 	u64 vco_rate = 0x0;
 	u64 multiplier;
@@ -556,10 +553,10 @@ static void dsi_7nm_pll_save_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->vco_hw);
 	struct pll_7nm_cached_state *cached = &pll_7nm->cached_state;
-	void __iomem *phy_base = pll_7nm->phy_cmn_mmio;
+	void __iomem *phy_base = pll_7nm->phy->base;
 	u32 cmn_clk_cfg0, cmn_clk_cfg1;
 
-	cached->pll_out_div = dsi_phy_read(pll_7nm->mmio +
+	cached->pll_out_div = dsi_phy_read(pll_7nm->phy->pll_base +
 				       REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE);
 	cached->pll_out_div &= 0x3;
 
@@ -579,14 +576,14 @@ static int dsi_7nm_pll_restore_state(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->vco_hw);
 	struct pll_7nm_cached_state *cached = &pll_7nm->cached_state;
-	void __iomem *phy_base = pll_7nm->phy_cmn_mmio;
+	void __iomem *phy_base = pll_7nm->phy->base;
 	u32 val;
 	int ret;
 
-	val = dsi_phy_read(pll_7nm->mmio + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE);
+	val = dsi_phy_read(pll_7nm->phy->pll_base + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE);
 	val &= ~0x3;
 	val |= cached->pll_out_div;
-	dsi_phy_write(pll_7nm->mmio + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE, val);
+	dsi_phy_write(pll_7nm->phy->pll_base + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE, val);
 
 	dsi_phy_write(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG0,
 		  cached->bit_clk_div | (cached->pix_clk_div << 4));
@@ -613,7 +610,7 @@ static int dsi_7nm_pll_restore_state(struct msm_dsi_phy *phy)
 static int dsi_7nm_set_usecase(struct msm_dsi_phy *phy)
 {
 	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->vco_hw);
-	void __iomem *base = pll_7nm->phy_cmn_mmio;
+	void __iomem *base = phy->base;
 	u32 data = 0x0;	/* internal PLL */
 
 	DBG("DSI PLL%d", pll_7nm->id);
@@ -672,7 +669,7 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide
 
 	hw = devm_clk_hw_register_divider(dev, clk_name,
 				     parent, CLK_SET_RATE_PARENT,
-				     pll_7nm->mmio +
+				     pll_7nm->phy->pll_base +
 				     REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE,
 				     0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL);
 	if (IS_ERR(hw)) {
@@ -686,7 +683,7 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide
 	/* BIT CLK: DIV_CTRL_3_0 */
 	hw = devm_clk_hw_register_divider(dev, clk_name, parent,
 				     CLK_SET_RATE_PARENT,
-				     pll_7nm->phy_cmn_mmio +
+				     pll_7nm->phy->base +
 				     REG_DSI_7nm_PHY_CMN_CLK_CFG0,
 				     0, 4, CLK_DIVIDER_ONE_BASED,
 				     &pll_7nm->postdiv_lock);
@@ -737,7 +734,7 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide
 	hw = devm_clk_hw_register_mux(dev, clk_name,
 				 ((const char *[]){
 				 parent, parent2, parent3, parent4
-				 }), 4, 0, pll_7nm->phy_cmn_mmio +
+				 }), 4, 0, pll_7nm->phy->base +
 				 REG_DSI_7nm_PHY_CMN_CLK_CFG1,
 				 0, 2, 0, NULL);
 	if (IS_ERR(hw)) {
@@ -750,7 +747,7 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide
 
 	/* PIX CLK DIV : DIV_CTRL_7_4*/
 	hw = devm_clk_hw_register_divider(dev, clk_name, parent,
-				     0, pll_7nm->phy_cmn_mmio +
+				     0, pll_7nm->phy->base +
 					REG_DSI_7nm_PHY_CMN_CLK_CFG0,
 				     4, 4, CLK_DIVIDER_ONE_BASED,
 				     &pll_7nm->postdiv_lock);
@@ -785,18 +782,6 @@ static int dsi_pll_7nm_init(struct msm_dsi_phy *phy)
 	pll_7nm->id = id;
 	pll_7nm_list[id] = pll_7nm;
 
-	pll_7nm->phy_cmn_mmio = msm_ioremap(pdev, "dsi_phy", "DSI_PHY");
-	if (IS_ERR_OR_NULL(pll_7nm->phy_cmn_mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "failed to map CMN PHY base\n");
-		return -ENOMEM;
-	}
-
-	pll_7nm->mmio = msm_ioremap(pdev, "dsi_pll", "DSI_PLL");
-	if (IS_ERR_OR_NULL(pll_7nm->mmio)) {
-		DRM_DEV_ERROR(&pdev->dev, "failed to map PLL base\n");
-		return -ENOMEM;
-	}
-
 	spin_lock_init(&pll_7nm->postdiv_lock);
 
 	pll_7nm->phy = phy;