[PATCH 13/14] clk: qcom: dispcc-sm8550: enable support for SAR2130P

[Dmitry Baryshkov <dmitry.baryshkov@linaro.org>]

The display clock controller on SAR2130P is very close to the clock
controller on SM8550 (and SM8650). Reuse existing driver to add support
for the controller on SAR2130P.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/clk/qcom/Kconfig         |  4 ++--
 drivers/clk/qcom/dispcc-sm8550.c | 18 ++++++++++++++++--
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 5f7bf9db76cfcef1ab18a6ba09fb4dc506695f9d..f314f26fe136c0fc1612edc0cca23c4deba5cd9f 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -968,10 +968,10 @@ config SM_DISPCC_8450
 config SM_DISPCC_8550
 	tristate "SM8550 Display Clock Controller"
 	depends on ARM64 || COMPILE_TEST
-	depends on SM_GCC_8550 || SM_GCC_8650
+	depends on SM_GCC_8550 || SM_GCC_8650 || SAR_GCC_2130P
 	help
 	  Support for the display clock controller on Qualcomm Technologies, Inc
-	  SM8550 or SM8650 devices.
+	  SAR2130P, SM8550 or SM8650 devices.
 	  Say Y if you want to support display devices and functionality such as
 	  splash screen.
 
diff --git a/drivers/clk/qcom/dispcc-sm8550.c b/drivers/clk/qcom/dispcc-sm8550.c
index 7f9021ca0ecb0ef743a40bed1bb3d2cbcfa23dc7..e41d4104d77021cae6438886bcb7015469d86a9f 100644
--- a/drivers/clk/qcom/dispcc-sm8550.c
+++ b/drivers/clk/qcom/dispcc-sm8550.c
@@ -75,7 +75,7 @@ static struct pll_vco lucid_ole_vco[] = {
 	{ 249600000, 2000000000, 0 },
 };
 
-static const struct alpha_pll_config disp_cc_pll0_config = {
+static struct alpha_pll_config disp_cc_pll0_config = {
 	.l = 0xd,
 	.alpha = 0x6492,
 	.config_ctl_val = 0x20485699,
@@ -106,7 +106,7 @@ static struct clk_alpha_pll disp_cc_pll0 = {
 	},
 };
 
-static const struct alpha_pll_config disp_cc_pll1_config = {
+static struct alpha_pll_config disp_cc_pll1_config = {
 	.l = 0x1f,
 	.alpha = 0x4000,
 	.config_ctl_val = 0x20485699,
@@ -594,6 +594,13 @@ static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src[] = {
 	{ }
 };
 
+static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src_sar2130p[] = {
+	F(200000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(325000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(514000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	{ }
+};
+
 static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src_sm8650[] = {
 	F(19200000, P_BI_TCXO, 1, 0, 0),
 	F(85714286, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
@@ -1750,6 +1757,7 @@ static struct qcom_cc_desc disp_cc_sm8550_desc = {
 };
 
 static const struct of_device_id disp_cc_sm8550_match_table[] = {
+	{ .compatible = "qcom,sar2130p-dispcc" },
 	{ .compatible = "qcom,sm8550-dispcc" },
 	{ .compatible = "qcom,sm8650-dispcc" },
 	{ }
@@ -1780,6 +1788,12 @@ static int disp_cc_sm8550_probe(struct platform_device *pdev)
 		disp_cc_mdss_mdp_clk_src.freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src_sm8650;
 		disp_cc_mdss_dptx1_usb_router_link_intf_clk.clkr.hw.init->parent_hws[0] =
 			&disp_cc_mdss_dptx1_link_div_clk_src.clkr.hw;
+	} else if (of_device_is_compatible(pdev->dev.of_node, "qcom,sar2130p-dispcc")) {
+		disp_cc_pll0_config.l = 0x1f;
+		disp_cc_pll0_config.alpha = 0x4000;
+		disp_cc_pll0_config.user_ctl_val = 0x1;
+		disp_cc_pll1_config.user_ctl_val = 0x1;
+		disp_cc_mdss_mdp_clk_src.freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src_sar2130p;
 	}
 
 	clk_lucid_ole_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config);

-- 
2.39.5