From: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> The CPU core in ipq5424 is clocked by a huayra PLL with RCG support. The RCG and PLL have a separate register space from the GCC. Also the L3 cache has a separate pll and needs to be scaled along with the CPU. Co-developed-by: Md Sadre Alam <quic_mdalam@xxxxxxxxxxx> Signed-off-by: Md Sadre Alam <quic_mdalam@xxxxxxxxxxx> Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> --- .../bindings/clock/qcom,ipq5424-apss-clk.yaml | 57 +++++++++++++++++++ include/dt-bindings/clock/qcom,apss-ipq.h | 6 ++ 2 files changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,ipq5424-apss-clk.yaml diff --git a/Documentation/devicetree/bindings/clock/qcom,ipq5424-apss-clk.yaml b/Documentation/devicetree/bindings/clock/qcom,ipq5424-apss-clk.yaml new file mode 100644 index 000000000000..df7cfb82bac3 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,ipq5424-apss-clk.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,ipq5424-apss-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm APSS IPQ5424 Clock Controller + +maintainers: + - Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> + - Md Sadre Alam <quic_mdalam@xxxxxxxxxxx> + +description: | + The CPU core in ipq5424 is clocked by a huayra PLL with RCG support. + The RCG and PLL have a separate register space from the GCC. + +properties: + compatible: + enum: + - qcom,ipq5424-apss-clk + reg: + maxItems: 1 + + clocks: + items: + - description: Reference to the XO clock. + - description: Reference to the GPLL0 clock. + + clock-names: + items: + - const: xo + - const: gpll0 + + '#clock-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,ipq5424-gcc.h> + + apss_clk: apss-clock@fa80000 { + compatible = "qcom,ipq5424-apss-clk"; + reg = <0x0fa80000 0x20000>; + clocks = <&xo_board>, <&gcc GPLL0>; + clock-names = "xo", "gpll0"; + #clock-cells = <1>; + }; + diff --git a/include/dt-bindings/clock/qcom,apss-ipq.h b/include/dt-bindings/clock/qcom,apss-ipq.h index 77b6e05492e2..0bb41e5efdef 100644 --- a/include/dt-bindings/clock/qcom,apss-ipq.h +++ b/include/dt-bindings/clock/qcom,apss-ipq.h @@ -8,5 +8,11 @@ #define APCS_ALIAS0_CLK_SRC 0 #define APCS_ALIAS0_CORE_CLK 1 +#define APSS_PLL_EARLY 2 +#define APSS_SILVER_CLK_SRC 3 +#define APSS_SILVER_CORE_CLK 4 +#define L3_PLL 5 +#define L3_CLK_SRC 6 +#define L3_CORE_CLK 7 #endif -- 2.34.1
