| Message ID | 20210829193617.4105-9-konrad.dybcio@somainline.org (mailing list archive) |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
| Series | [RESEND,v2,1/9] dt-bindings: clk: qcom: Add bindings for MSM8994 GCC driver | expand |
Quoting Konrad Dybcio (2021-08-29 12:36:16) > 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 72038e4c04df..55c0fd069640 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), It should work to add more frequencies to the existing table. The consumer will need to pick the correct frequency. That can be achieved with an OPP table if necessary, in the consumer node. > + { } > +}; > + > static struct freq_tbl ftbl_sdcc2_4_apps_clk_src[] = { > F(144000, P_XO, 16, 3, 25), > F(400000, P_XO, 12, 1, 4),
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 72038e4c04df..55c0fd069640 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); }
Some devices come with a different SDCC clock configuration, account for that. Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> --- .../bindings/clock/qcom,gcc-msm8994.yaml | 4 ++++ drivers/clk/qcom/gcc-msm8994.c | 16 ++++++++++++++++ 2 files changed, 20 insertions(+)