[PATCH 9/9] clk: qcom: gcc-msm8994: Add a quirk for a different SDCC configuration

[Konrad Dybcio]

Some devices come with a different SDCC clock configuration,
account for that.

Signed-off-by: Konrad Dybcio <konrad.dyb...@somainline.org>
---
 .../bindings/clock/qcom,gcc-msm8994.yaml         |  4 ++++
 drivers/clk/qcom/gcc-msm8994.c                   | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8994.yaml 
b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8994.yaml
index f8067fb1bbd6..9db0800a4ee4 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8994.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8994.yaml
@@ -49,6 +49,10 @@ properties:
     description:
       Protected clock specifier list as per common clock binding.
 
+  qcom,sdcc2-clk-src-40mhz:
+    description: SDCC2_APPS clock source runs at 40MHz.
+    type: boolean
+
 required:
   - compatible
   - reg
diff --git a/drivers/clk/qcom/gcc-msm8994.c b/drivers/clk/qcom/gcc-msm8994.c
index a5b9db7678d1..1fbbf5f5dee0 100644
--- a/drivers/clk/qcom/gcc-msm8994.c
+++ b/drivers/clk/qcom/gcc-msm8994.c
@@ -1018,6 +1018,19 @@ static struct clk_rcg2 sdcc1_apps_clk_src = {
        },
 };
 
+static struct freq_tbl ftbl_sdcc2_40mhz_apps_clk_src[] = {
+       F(144000, P_XO, 16, 3, 25),
+       F(400000, P_XO, 12, 1, 4),
+       F(20000000, P_GPLL0, 15, 1, 2),
+       F(25000000, P_GPLL0, 12, 1, 2),
+       F(40000000, P_GPLL0, 15, 0, 0),
+       F(50000000, P_GPLL0, 12, 0, 0),
+       F(80000000, P_GPLL0, 7.5, 0, 0),
+       F(100000000, P_GPLL0, 6, 0, 0),
+       F(200000000, P_GPLL0, 3, 0, 0),
+       { }
+};
+
 static struct freq_tbl ftbl_sdcc2_4_apps_clk_src[] = {
        F(144000, P_XO, 16, 3, 25),
        F(400000, P_XO, 12, 1, 4),
@@ -2793,6 +2806,9 @@ static int gcc_msm8994_probe(struct platform_device *pdev)
                blsp2_qup6_i2c_apps_clk_src.freq_tbl = 
ftbl_blsp1_qup_spi_apps_clk_src_8992;
        }
 
+       if (of_find_property(dev->of_node, "qcom,sdcc2-clk-src-40mhz", NULL))
+               sdcc2_apps_clk_src.freq_tbl = ftbl_sdcc2_40mhz_apps_clk_src;
+
        return qcom_cc_probe(pdev, &gcc_msm8994_desc);
 }
 
-- 
2.30.2