linux-kernel - [PATCH 3/8] clk: qcom: gcc: Add PCIe, EMAC and UFS GDSCs for SM8150

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Message-Id: <20220126221725.710167-4-bhupesh.sharma@linaro.org>
Date:   Thu, 27 Jan 2022 03:47:20 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-arm-msm@...r.kernel.org
Cc:     bhupesh.sharma@...aro.org, bhupesh.linux@...il.com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, agross@...nel.org, sboyd@...nel.org,
        tdas@...eaurora.org, mturquette@...libre.com,
        linux-clk@...r.kernel.org, bjorn.andersson@...aro.org,
        davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 3/8] clk: qcom: gcc: Add PCIe, EMAC and UFS GDSCs for SM8150

This adds the PCIe, EMAC and UFS GDSC structures for
SM8150. The GDSC will allow the respective system to be
brought out of reset.

Cc: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
 drivers/clk/qcom/gcc-sm8150.c               | 74 +++++++++++++++++----
 include/dt-bindings/clock/qcom,gcc-sm8150.h |  9 ++-
 2 files changed, 69 insertions(+), 14 deletions(-)

diff --git a/drivers/clk/qcom/gcc-sm8150.c b/drivers/clk/qcom/gcc-sm8150.c
index 245794485719..ada755ad55f7 100644
--- a/drivers/clk/qcom/gcc-sm8150.c
+++ b/drivers/clk/qcom/gcc-sm8150.c
@@ -3448,22 +3448,67 @@ static struct clk_branch gcc_video_xo_clk = {
 	},
 };
 
+static struct gdsc emac_gdsc = {
+	.gdscr = 0x6004,
+	.pd = {
+		.name = "emac_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR,
+};
+
+static struct gdsc pcie_0_gdsc = {
+	.gdscr = 0x6b004,
+	.pd = {
+		.name = "pcie_0_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR,
+};
+
+static struct gdsc pcie_1_gdsc = {
+	.gdscr = 0x8d004,
+	.pd = {
+		.name = "pcie_1_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR,
+};
+
+static struct gdsc ufs_card_gdsc = {
+	.gdscr = 0x75004,
+	.pd = {
+		.name = "ufs_card_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR,
+};
+
+static struct gdsc ufs_phy_gdsc = {
+	.gdscr = 0x77004,
+	.pd = {
+		.name = "ufs_phy_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR,
+};
+
 static struct gdsc usb30_prim_gdsc = {
-		.gdscr = 0xf004,
-		.pd = {
-			.name = "usb30_prim_gdsc",
-		},
-		.pwrsts = PWRSTS_OFF_ON,
-		.flags = POLL_CFG_GDSCR,
+	.gdscr = 0xf004,
+	.pd = {
+		.name = "usb30_prim_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR,
 };
 
 static struct gdsc usb30_sec_gdsc = {
-		.gdscr = 0x10004,
-		.pd = {
-			.name = "usb30_sec_gdsc",
-		},
-		.pwrsts = PWRSTS_OFF_ON,
-		.flags = POLL_CFG_GDSCR,
+	.gdscr = 0x10004,
+	.pd = {
+		.name = "usb30_sec_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR,
 };
 
 static struct clk_regmap *gcc_sm8150_clocks[] = {
@@ -3714,6 +3759,11 @@ static const struct qcom_reset_map gcc_sm8150_resets[] = {
 };
 
 static struct gdsc *gcc_sm8150_gdscs[] = {
+	[EMAC_GDSC] = &emac_gdsc,
+	[PCIE_0_GDSC] = &pcie_0_gdsc,
+	[PCIE_1_GDSC] = &pcie_1_gdsc,
+	[UFS_CARD_GDSC] = &ufs_card_gdsc,
+	[UFS_PHY_GDSC] = &ufs_phy_gdsc,
 	[USB30_PRIM_GDSC] = &usb30_prim_gdsc,
 	[USB30_SEC_GDSC] = &usb30_sec_gdsc,
 };
diff --git a/include/dt-bindings/clock/qcom,gcc-sm8150.h b/include/dt-bindings/clock/qcom,gcc-sm8150.h
index 3e1a91876610..35d80ae411a0 100644
--- a/include/dt-bindings/clock/qcom,gcc-sm8150.h
+++ b/include/dt-bindings/clock/qcom,gcc-sm8150.h
@@ -241,7 +241,12 @@
 #define GCC_USB_PHY_CFG_AHB2PHY_BCR				28
 
 /* GCC GDSCRs */
-#define USB30_PRIM_GDSC                     4
-#define USB30_SEC_GDSC						5
+#define EMAC_GDSC						0
+#define PCIE_0_GDSC						1
+#define	PCIE_1_GDSC						2
+#define UFS_CARD_GDSC						3
+#define UFS_PHY_GDSC						4
+#define USB30_PRIM_GDSC						5
+#define USB30_SEC_GDSC						6
 
 #endif
-- 
2.34.1