clk: qcom: gcc: Add support for modem clocks in GCC

Add the required modem clocks in global clock controller which are
required to bring the modem out of reset.

Signed-off-by: Taniya Das <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Tested-by: Sibi Sankar <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>

Author: Taniya Das

drivers/clk/qcom/gcc-sc7180.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
  */
 
 #include <linux/clk-provider.h>
@@ -2165,6 +2165,71 @@ static struct clk_branch gcc_video_xo_clk = {
 	},
 };
 
+static struct clk_branch gcc_mss_cfg_ahb_clk = {
+	.halt_reg = 0x8a000,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8a000,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_mss_cfg_ahb_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_mss_mfab_axis_clk = {
+	.halt_reg = 0x8a004,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x8a004,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_mss_mfab_axis_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_mss_nav_axi_clk = {
+	.halt_reg = 0x8a00c,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x8a00c,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_mss_nav_axi_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_mss_snoc_axi_clk = {
+	.halt_reg = 0x8a150,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8a150,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_mss_snoc_axi_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_mss_q6_memnoc_axi_clk = {
+	.halt_reg = 0x8a154,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8a154,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_mss_q6_memnoc_axi_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct gdsc ufs_phy_gdsc = {
 	.gdscr = 0x77004,
 	.pd = {
@@ -2336,6 +2401,11 @@ static struct clk_regmap *gcc_sc7180_clocks[] = {
 	[GPLL7] = &gpll7.clkr,
 	[GPLL4] = &gpll4.clkr,
 	[GPLL1] = &gpll1.clkr,
+	[GCC_MSS_CFG_AHB_CLK] = &gcc_mss_cfg_ahb_clk.clkr,
+	[GCC_MSS_MFAB_AXIS_CLK] = &gcc_mss_mfab_axis_clk.clkr,
+	[GCC_MSS_NAV_AXI_CLK] = &gcc_mss_nav_axi_clk.clkr,
+	[GCC_MSS_Q6_MEMNOC_AXI_CLK] = &gcc_mss_q6_memnoc_axi_clk.clkr,
+	[GCC_MSS_SNOC_AXI_CLK] = &gcc_mss_snoc_axi_clk.clkr,
 };
 
 static const struct qcom_reset_map gcc_sc7180_resets[] = {