[PATCH 3/5] drm/msm/dsi: Add configuration for 28nm PLL on family B

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From: "Angelo G. Del Regno" <kholk11@xxxxxxxxx>

The 28nm PLL has a different iospace on MSM/APQ family B SoCs:
add a new configuration and use it when the DT reports the
"qcom,dsi-phy-28nm-hpm-fam-b" compatible.

Signed-off-by: Angelo G. Del Regno <kholk11@xxxxxxxxx>
---
 .../devicetree/bindings/display/msm/dsi.txt    |  1 +
 drivers/gpu/drm/msm/dsi/phy/dsi_phy.c          |  2 ++
 drivers/gpu/drm/msm/dsi/phy/dsi_phy.h          |  1 +
 drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c     | 18 ++++++++++++++++++
 4 files changed, 22 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/dsi.txt b/Documentation/devicetree/bindings/display/msm/dsi.txt
index af95586c898f..d3ba9ee22f38 100644
--- a/Documentation/devicetree/bindings/display/msm/dsi.txt
+++ b/Documentation/devicetree/bindings/display/msm/dsi.txt
@@ -83,6 +83,7 @@ DSI PHY:
 Required properties:
 - compatible: Could be the following
   * "qcom,dsi-phy-28nm-hpm"
+  * "qcom,dsi-phy-28nm-hpm-fam-b"
   * "qcom,dsi-phy-28nm-lp"
   * "qcom,dsi-phy-20nm"
   * "qcom,dsi-phy-28nm-8960"
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 4097eca1b3ef..507c0146a305 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -481,6 +481,8 @@ static const struct of_device_id dsi_phy_dt_match[] = {
 #ifdef CONFIG_DRM_MSM_DSI_28NM_PHY
 	{ .compatible = "qcom,dsi-phy-28nm-hpm",
 	  .data = &dsi_phy_28nm_hpm_cfgs },
+	{ .compatible = "qcom,dsi-phy-28nm-hpm-fam-b",
+	  .data = &dsi_phy_28nm_hpm_famb_cfgs },
 	{ .compatible = "qcom,dsi-phy-28nm-lp",
 	  .data = &dsi_phy_28nm_lp_cfgs },
 #endif
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index c4069ce6afe6..24b294ed3059 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -40,6 +40,7 @@ struct msm_dsi_phy_cfg {
 };
 
 extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs;
 extern const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs;
 extern const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs;
 extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs;
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 b3f678f6c2aa..3b9300545e16 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -142,6 +142,24 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
 	.num_dsi_phy = 2,
 };
 
+const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
+	.type = MSM_DSI_PHY_28NM_HPM,
+	.src_pll_truthtable = { {true, true}, {false, true} },
+	.reg_cfg = {
+		.num = 1,
+		.regs = {
+			{"vddio", 100000, 100},
+		},
+	},
+	.ops = {
+		.enable = dsi_28nm_phy_enable,
+		.disable = dsi_28nm_phy_disable,
+		.init = msm_dsi_phy_init_common,
+	},
+	.io_start = { 0x1a94400, 0x1a94800 },
+	.num_dsi_phy = 2,
+};
+
 const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
 	.type = MSM_DSI_PHY_28NM_LP,
 	.src_pll_truthtable = { {true, true}, {true, true} },
-- 
2.21.0




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