[PATCH 2/3] clk: qcom: apss-ipq-pll: add support for IPQ5018

[Gokul Sriram Palanisamy <quic_gokulsri@xxxxxxxxxxx>]

IPQ5018 APSS PLL is of type Stromer. Add support for Stromer PLL,
configuration values and the compatible.

Co-developed-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@xxxxxxxxxxx>
---
 drivers/clk/qcom/apss-ipq-pll.c | 52 ++++++++++++++++++++++++++++++++-
 1 file changed, 51 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c
index e170331858cc..bbc25d5eb70d 100644
--- a/drivers/clk/qcom/apss-ipq-pll.c
+++ b/drivers/clk/qcom/apss-ipq-pll.c
@@ -24,6 +24,17 @@ static const u8 ipq_pll_offsets[][PLL_OFF_MAX_REGS] = {
 		[PLL_OFF_TEST_CTL] = 0x30,
 		[PLL_OFF_TEST_CTL_U] = 0x34,
 	},
+	[CLK_ALPHA_PLL_TYPE_STROMER] = {
+		[PLL_OFF_L_VAL] = 0x08,
+		[PLL_OFF_ALPHA_VAL] = 0x10,
+		[PLL_OFF_ALPHA_VAL_U] = 0x14,
+		[PLL_OFF_USER_CTL] = 0x18,
+		[PLL_OFF_USER_CTL_U] = 0x1c,
+		[PLL_OFF_CONFIG_CTL] = 0x20,
+		[PLL_OFF_STATUS] = 0x28,
+		[PLL_OFF_TEST_CTL] = 0x30,
+		[PLL_OFF_TEST_CTL_U] = 0x34,
+	},
 	[CLK_ALPHA_PLL_TYPE_STROMER_PLUS] = {
 		[PLL_OFF_L_VAL] = 0x08,
 		[PLL_OFF_ALPHA_VAL] = 0x10,
@@ -73,6 +84,38 @@ static struct clk_alpha_pll ipq_pll_stromer_plus = {
 	},
 };
 
+static struct clk_alpha_pll ipq_pll_stromer = {
+	.offset = 0x0,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_STROMER],
+	.flags = SUPPORTS_DYNAMIC_UPDATE,
+	.clkr = {
+		.enable_reg = 0x0,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "a53pll",
+			.parent_data = &(const struct clk_parent_data) {
+				.fw_name = "xo",
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_stromer_ops,
+		},
+	},
+};
+
+static const struct alpha_pll_config ipq5018_pll_config = {
+	.l = 0x32,
+	.config_ctl_val = 0x4001075b,
+	.config_ctl_hi_val = 0x304,
+	.main_output_mask = BIT(0),
+	.aux_output_mask = BIT(1),
+	.early_output_mask = BIT(3),
+	.alpha_en_mask = BIT(24),
+	.status_val = 0x3,
+	.status_mask = GENMASK(10, 8),
+	.lock_det = BIT(2),
+	.test_ctl_hi_val = 0x00400003,
+};
+
 static const struct alpha_pll_config ipq5332_pll_config = {
 	.l = 0x3e,
 	.config_ctl_val = 0x4001075b,
@@ -129,6 +172,12 @@ struct apss_pll_data {
 	const struct alpha_pll_config *pll_config;
 };
 
+static struct apss_pll_data ipq5018_pll_data = {
+	.pll_type = CLK_ALPHA_PLL_TYPE_STROMER,
+	.pll = &ipq_pll_stromer,
+	.pll_config = &ipq5018_pll_config,
+};
+
 static struct apss_pll_data ipq5332_pll_data = {
 	.pll_type = CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
 	.pll = &ipq_pll_stromer_plus,
@@ -183,7 +232,7 @@ static int apss_ipq_pll_probe(struct platform_device *pdev)
 
 	if (data->pll_type == CLK_ALPHA_PLL_TYPE_HUAYRA)
 		clk_alpha_pll_configure(data->pll, regmap, data->pll_config);
-	else if (data->pll_type == CLK_ALPHA_PLL_TYPE_STROMER_PLUS)
+	else
 		clk_stromer_pll_configure(data->pll, regmap, data->pll_config);
 
 	ret = devm_clk_register_regmap(dev, &data->pll->clkr);
@@ -195,6 +244,7 @@ static int apss_ipq_pll_probe(struct platform_device *pdev)
 }
 
 static const struct of_device_id apss_ipq_pll_match_table[] = {
+	{ .compatible = "qcom,ipq5018-a53pll", .data = &ipq5018_pll_data },
 	{ .compatible = "qcom,ipq5332-a53pll", .data = &ipq5332_pll_data },
 	{ .compatible = "qcom,ipq6018-a53pll", .data = &ipq6018_pll_data },
 	{ .compatible = "qcom,ipq8074-a53pll", .data = &ipq8074_pll_data },
-- 
2.34.1