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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mailbox/qcom,apcs-kpss-global.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm APCS global block
+
+description:
+ This binding describes the APCS "global" block found in various Qualcomm
+ platforms.
+
+maintainers:
+ - Jassi Brar <jassisinghbrar@gmail.com>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - qcom,ipq5018-apcs-apps-global
+ - qcom,ipq5332-apcs-apps-global
+ - qcom,ipq8074-apcs-apps-global
+ - qcom,ipq9574-apcs-apps-global
+ - const: qcom,ipq6018-apcs-apps-global
+ - items:
+ - enum:
+ - qcom,sc7180-apss-shared
+ - qcom,sc8180x-apss-shared
+ - qcom,sm8150-apss-shared
+ - const: qcom,sdm845-apss-shared
+ - items:
+ - enum:
+ - qcom,msm8916-apcs-kpss-global
+ - qcom,msm8939-apcs-kpss-global
+ - qcom,msm8953-apcs-kpss-global
+ - qcom,msm8976-apcs-kpss-global
+ - qcom,msm8994-apcs-kpss-global
+ - qcom,qcs404-apcs-apps-global
+ - qcom,sdx55-apcs-gcc
+ - const: syscon
+ - enum:
+ - qcom,ipq6018-apcs-apps-global
+ - qcom,ipq8074-apcs-apps-global
+ - qcom,msm8996-apcs-hmss-global
+ - qcom,msm8998-apcs-hmss-global
+ - qcom,qcm2290-apcs-hmss-global
+ - qcom,sdm660-apcs-hmss-global
+ - qcom,sdm845-apss-shared
+ - qcom,sm4250-apcs-hmss-global
+ - qcom,sm6115-apcs-hmss-global
+ - qcom,sm6125-apcs-hmss-global
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ description: phandles to the parent clocks of the clock driver
+ minItems: 2
+ maxItems: 3
+
+ '#mbox-cells':
+ const: 1
+
+ '#clock-cells':
+ enum: [0, 1]
+
+ clock-names:
+ minItems: 2
+ maxItems: 3
+
+required:
+ - compatible
+ - reg
+ - '#mbox-cells'
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,msm8916-apcs-kpss-global
+ - qcom,msm8939-apcs-kpss-global
+ - qcom,qcs404-apcs-apps-global
+ then:
+ properties:
+ clocks:
+ items:
+ - description: primary pll parent of the clock driver
+ - description: auxiliary parent
+ clock-names:
+ items:
+ - const: pll
+ - const: aux
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sdx55-apcs-gcc
+ then:
+ properties:
+ clocks:
+ items:
+ - description: reference clock
+ - description: primary pll parent of the clock driver
+ - description: auxiliary parent
+ clock-names:
+ items:
+ - const: ref
+ - const: pll
+ - const: aux
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq6018-apcs-apps-global
+ then:
+ properties:
+ clocks:
+ items:
+ - description: primary pll parent of the clock driver
+ - description: XO clock
+ - description: GCC GPLL0 clock source
+ clock-names:
+ items:
+ - const: pll
+ - const: xo
+ - const: gpll0
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,msm8953-apcs-kpss-global
+ - qcom,msm8976-apcs-kpss-global
+ - qcom,msm8994-apcs-kpss-global
+ - qcom,msm8996-apcs-hmss-global
+ - qcom,msm8998-apcs-hmss-global
+ - qcom,qcm2290-apcs-hmss-global
+ - qcom,sdm660-apcs-hmss-global
+ - qcom,sdm845-apss-shared
+ - qcom,sm4250-apcs-hmss-global
+ - qcom,sm6115-apcs-hmss-global
+ - qcom,sm6125-apcs-hmss-global
+ then:
+ properties:
+ clocks: false
+ clock-names: false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq6018-apcs-apps-global
+ then:
+ properties:
+ '#clock-cells':
+ const: 1
+ else:
+ properties:
+ '#clock-cells':
+ const: 0
+
+examples:
+
+ # Example apcs with msm8996
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ apcs_glb: mailbox@9820000 {
+ compatible = "qcom,msm8996-apcs-hmss-global";
+ reg = <0x9820000 0x1000>;
+
+ #mbox-cells = <1>;
+ #clock-cells = <0>;
+ };
+
+ rpm-glink {
+ compatible = "qcom,glink-rpm";
+ interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
+ qcom,rpm-msg-ram = <&rpm_msg_ram>;
+ mboxes = <&apcs_glb 0>;
+ };
+
+ # Example apcs with qcs404
+ - |
+ #define GCC_APSS_AHB_CLK_SRC 1
+ #define GCC_GPLL0_AO_OUT_MAIN 123
+ apcs: mailbox@b011000 {
+ compatible = "qcom,qcs404-apcs-apps-global", "syscon";
+ reg = <0x0b011000 0x1000>;
+ #mbox-cells = <1>;
+ clocks = <&apcs_hfpll>, <&gcc GCC_GPLL0_AO_OUT_MAIN>;
+ clock-names = "pll", "aux";
+ #clock-cells = <0>;
+ };