[PATCH v2 9/9] clk: qcom: gcc-msm8994: Add a quirk for a different SDCC configuration
From: Konrad Dybcio <hidden>
Date: 2021-06-09 14:56:03
Also in:
linux-arm-msm, linux-clk, lkml
Subsystem:
arm/qualcomm mailing list, common clk framework, open firmware and flattened device tree bindings, qualcomm clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Bjorn Andersson, Linus Torvalds
Some devices come with a different SDCC clock configuration, account for that. Signed-off-by: Konrad Dybcio <redacted> --- .../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 b44a844d894c..4ba2f72d3cad 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 bc8ad4973dd9..4903b07964dc 100644
--- a/drivers/clk/qcom/gcc-msm8994.c
+++ b/drivers/clk/qcom/gcc-msm8994.c@@ -1012,6 +1012,19 @@ 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),
@@ -2788,6 +2801,9 @@ static int gcc_msm8994_probe(struct platform_device *pdev) gcc_msm8994_desc.clks[GCC_SYS_NOC_UFS_AXI_CLK] = NULL; } + 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); }
--
2.31.1