clk: qcom: clk-rpm: convert to parent_data API

Convert clk-rpm driver to parent_data API.
We keep the old pxo/cxo_board parent naming to keep compatibility with
old DT and we use the new pxo/cxo for new implementation where these
clock are defined in DTS.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220706225321.26215-4-ansuelsmth@gmail.com

Author: Ansuel

drivers/clk/qcom/clk-rpm.c

@@ -23,6 +23,14 @@
 #define QCOM_RPM_SCALING_ENABLE_ID			0x2
 #define QCOM_RPM_XO_MODE_ON				0x2
 
+static const struct clk_parent_data gcc_pxo[] = {
+	{ .fw_name = "pxo", .name = "pxo_board" },
+};
+
+static const struct clk_parent_data gcc_cxo[] = {
+	{ .fw_name = "cxo", .name = "cxo_board" },
+};
+
 #define DEFINE_CLK_RPM(_platform, _name, _active, r_id)			      \
 	static struct clk_rpm _platform##_##_active;			      \
 	static struct clk_rpm _platform##_##_name = {			      \
@@ -32,8 +40,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_ops,				      \
 			.name = #_name,					      \
-			.parent_names = (const char *[]){ "pxo_board" },      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_pxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_pxo),		      \
 		},							      \
 	};								      \
 	static struct clk_rpm _platform##_##_active = {			      \
@@ -44,8 +52,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_ops,				      \
 			.name = #_active,				      \
-			.parent_names = (const char *[]){ "pxo_board" },      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_pxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_pxo),		      \
 		},							      \
 	}
 
@@ -56,8 +64,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_xo_ops,			      \
 			.name = #_name,					      \
-			.parent_names = (const char *[]){ "cxo_board" },      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_cxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_cxo),		      \
 		},							      \
 	}
 
@@ -68,8 +76,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_fixed_ops,			      \
 			.name = #_name,					      \
-			.parent_names = (const char *[]){ "pxo" },	      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_pxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_pxo),		      \
 		},							      \
 	}