diff options
| author | Sricharan Ramabadhran <quic_srichara@quicinc.com> | 2025-08-11 14:39:51 +0530 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2025-08-11 10:05:20 -0500 |
| commit | c17ccefb611fdb346eef9be6bfbd0bfd04afa204 (patch) | |
| tree | 28277ea5f79c2042adeac3405deff388ed58565b | |
| parent | 8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff) | |
dt-bindings: clock: ipq5424-apss-clk: Add ipq5424 apss clock controller
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@quicinc.com>
Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
[ Added interconnect related changes ]
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Link: https://lore.kernel.org/r/20250811090954.2854440-2-quic_varada@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/clock/qcom,ipq5424-apss-clk.yaml | 55 | ||||
| -rw-r--r-- | include/dt-bindings/clock/qcom,apss-ipq.h | 6 | ||||
| -rw-r--r-- | include/dt-bindings/interconnect/qcom,ipq5424.h | 3 |
3 files changed, 64 insertions, 0 deletions
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..def739fa0a8c --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,ipq5424-apss-clk.yaml @@ -0,0 +1,55 @@ +# 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: + - Varadarajan Narayanan <quic_varada@quicinc.com> + +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-cells': + const: 1 + + '#interconnect-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + - '#interconnect-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,ipq5424-gcc.h> + + apss_clk: clock-controller@fa80000 { + compatible = "qcom,ipq5424-apss-clk"; + reg = <0x0fa80000 0x20000>; + clocks = <&xo_board>, + <&gcc GPLL0>; + #clock-cells = <1>; + #interconnect-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 diff --git a/include/dt-bindings/interconnect/qcom,ipq5424.h b/include/dt-bindings/interconnect/qcom,ipq5424.h index a770356112ee..afd7e0683a24 100644 --- a/include/dt-bindings/interconnect/qcom,ipq5424.h +++ b/include/dt-bindings/interconnect/qcom,ipq5424.h @@ -21,4 +21,7 @@ #define MASTER_CNOC_USB 16 #define SLAVE_CNOC_USB 17 +#define MASTER_CPU 0 +#define SLAVE_L3 1 + #endif /* INTERCONNECT_QCOM_IPQ5424_H */ |