clk: qcom: drop lcc-mdm9615 in favour of lcc-msm8960

The two LCC drivers, msm8960 and mdm9615 are almost the same. The only
difference is the platform clock: msm8960/apq8064 use pxo, while mdm9615
uses cxo. Drop the lcc-mdm9615 in favour of using lcc-msm8960 instead.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230512211727.3445575-6-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

drivers/clk/qcom/Kconfig

@@ -247,11 +247,11 @@ config MSM_GCC_8960
 	  i2c, USB, SD/eMMC, SATA, PCIe, etc.
 
 config MSM_LCC_8960
-	tristate "APQ8064/MSM8960 LPASS Clock Controller"
+	tristate "APQ8064/MSM8960/MDM9650 LPASS Clock Controller"
 	depends on ARM || COMPILE_TEST
-	select MSM_GCC_8960
 	help
-	  Support for the LPASS clock controller on apq8064/msm8960 devices.
+	  Support for the LPASS clock controller on apq8064/msm8960/mdm9650
+	  devices.
 	  Say Y if you want to use audio devices such as i2s, pcm,
 	  SLIMBus, etc.
 
@@ -271,15 +271,6 @@ config MDM_GCC_9615
 	  Say Y if you want to use peripheral devices such as UART, SPI,
 	  i2c, USB, SD/eMMC, etc.
 
-config MDM_LCC_9615
-	tristate "MDM9615 LPASS Clock Controller"
-	depends on ARM || COMPILE_TEST
-	select MDM_GCC_9615
-	help
-	  Support for the LPASS clock controller on mdm9615 devices.
-	  Say Y if you want to use audio devices such as i2s, pcm,
-	  SLIMBus, etc.
-
 config MSM_MMCC_8960
 	tristate "MSM8960 Multimedia Clock Controller"
 	depends on ARM || COMPILE_TEST

drivers/clk/qcom/Makefile

@@ -32,7 +32,6 @@ obj-$(CONFIG_IPQ_GCC_9574) += gcc-ipq9574.o
 obj-$(CONFIG_IPQ_LCC_806X) += lcc-ipq806x.o
 obj-$(CONFIG_MDM_GCC_9607) += gcc-mdm9607.o
 obj-$(CONFIG_MDM_GCC_9615) += gcc-mdm9615.o
-obj-$(CONFIG_MDM_LCC_9615) += lcc-mdm9615.o
 obj-$(CONFIG_MSM_GCC_8660) += gcc-msm8660.o
 obj-$(CONFIG_MSM_GCC_8909) += gcc-msm8909.o
 obj-$(CONFIG_MSM_GCC_8916) += gcc-msm8916.o

drivers/clk/qcom/lcc-msm8960.c

@@ -23,6 +23,10 @@
 #include "clk-regmap-divider.h"
 #include "clk-regmap-mux.h"
 
+struct clk_parent_data pxo_parent_data = {
+	.fw_name = "pxo", .name = "pxo_board",
+};
+
 static struct clk_pll pll4 = {
 	.l_reg = 0x4,
 	.m_reg = 0x8,
@@ -33,9 +37,7 @@ static struct clk_pll pll4 = {
 	.status_bit = 16,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "pll4",
-		.parent_data = (const struct clk_parent_data[]){
-			{ .fw_name = "pxo", .name = "pxo_board" },
-		},
+		.parent_data = &pxo_parent_data,
 		.num_parents = 1,
 		.ops = &clk_pll_ops,
 	},
@@ -51,7 +53,7 @@ static const struct parent_map lcc_pxo_pll4_map[] = {
 	{ P_PLL4, 2 }
 };
 
-static const struct clk_parent_data lcc_pxo_pll4[] = {
+static struct clk_parent_data lcc_pxo_pll4[] = {
 	{ .fw_name = "pxo", .name = "pxo_board" },
 	{ .fw_name = "pll4_vote", .name = "pll4_vote" },
 };
@@ -444,6 +446,7 @@ static const struct qcom_cc_desc lcc_msm8960_desc = {
 static const struct of_device_id lcc_msm8960_match_table[] = {
 	{ .compatible = "qcom,lcc-msm8960" },
 	{ .compatible = "qcom,lcc-apq8064" },
+	{ .compatible = "qcom,lcc-mdm9615" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, lcc_msm8960_match_table);
@@ -453,6 +456,14 @@ static int lcc_msm8960_probe(struct platform_device *pdev)
 	u32 val;
 	struct regmap *regmap;
 
+	/* patch for the cxo <-> pxo difference */
+	if (of_device_is_compatible(pdev->dev.of_node, "qcom,lcc-mdm9615")) {
+		pxo_parent_data.fw_name = "cxo";
+		pxo_parent_data.name = "cxo_board";
+		lcc_pxo_pll4[0].fw_name = "cxo";
+		lcc_pxo_pll4[0].name = "cxo_board";
+	}
+
 	regmap = qcom_cc_map(pdev, &lcc_msm8960_desc);
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);