The document defines the binding for a component that loads firmware for
and boots the Qualcomm WCNSS core.
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
---
.../bindings/remoteproc/qcom,wcnss-pil.txt | 107 +++++++++++++++++++++
1 file changed, 107 insertions(+)
create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
new file mode 100644
index 000000000000..9fbaf564662e
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
@@ -0,0 +1,107 @@
+Qualcomm WCNSS Peripheral Image Loader
+
+This document defines the binding for a component that loads and boots firmware
+on the Qualcomm WCNSS core.
+
+- compatible:
+ Usage: required
+ Value type: <string>
+ Definition: must be one of:
+ "qcom,riva-pil",
+ "qcom,pronto-v1-pil",
+ "qcom,pronto-v2-pil"
+
+- reg:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: base address and size of riva/pronto PMU registers
+
+- interrupts-extended:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: should specify the watchdog, fatal, ready, handover and
+ stop-ack IRQs, in order.
+
+- interrupt-names:
+ Usage: required
+ Value type: <stringlist>
+ Definition: should be "wdog", "fatal", "ready", "handover", "stop-ack"
+
+- clocks:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: should specify the xo clock and optionally the rf_clk
+
+- clock-names:
+ Usage: requireduired
+ Value type: <stringlist>
+ Definition: should be "xo", optionally followed by "rf"
+
+- qcom,firmware-name:
+ Usage: required
+ Value type: <string>
+ Definition: name of the firmware to be loaded
+
+- qcom,crash-reason:
+ Usage: required
+ Value type: <u32>
+ Definition: SMEM item used by WCNSS for storing the error messages upon
+ a fatal exception
+
+- qcom,iris-vddxo-supply:
+- qcom,iris-vddrfa-supply:
+- qcom,iris-vddpa-supply:
+- qcom,iris-vdddig-supply:
+- qcom,pronto-vddmx-supply:
+- qcom,pronto-vddcx-supply:
+- qcom,pronto-vddpx-supply:
+ Usage: required
+ Value type: <phandle>
+ Definition: reference to the regulators to be held on behalf of the
+ booting of the WCNSS core
+
+- qcom,state:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: reference to the SMEM state used to indicate to WCNSS that
+ it should shut down
+
+- qcom,state-names:
+ Usage: required
+ Value type: <stringlist>
+ Definition: should be "stop"
+
+= EXAMPLE
+
+pronto_rproc@fb21b000 {
+ compatible = "qcom,pronto-v2-pil";
+ reg = <0xfb21b000 0x3000>;
+
+ interrupts-extended = <&intc 0 149 1>,
+ <&wcnss_smp2p_slave 0 0>,
+ <&wcnss_smp2p_slave 1 0>,
+ <&wcnss_smp2p_slave 2 0>,
+ <&wcnss_smp2p_slave 3 0>;
+ interrupt-names = "wdog", "fatal", "ready", "handover", "stop-ack";
+
+ clocks = <&rpmcc RPM_CXO_CLK_SRC>, <&rpmcc RPM_CXO_A2>;
+ clock-names = "xo", "rf";
+
+ qcom,firmware-name = "wcnss";
+
+ qcom,crash-reason = <422>;
+
+ qcom,iris-vddxo-supply = <&pm8941_l6>;
+ qcom,iris-vddrfa-supply = <&pm8941_l11>;
+ qcom,iris-vddpa-supply = <&pm8941_l19>;
+ qcom,iris-vdddig-supply = <&pm8941_s3>;
+ qcom,pronto-vddmx-supply = <&pm8841_s1>;
+ qcom,pronto-vddcx-supply = <&pm8841_s2>;
+ qcom,pronto-vddpx-supply = <&pm8941_s3>;
+
+ qcom,state = <&wcnss_smp2p_out 0>;
+ qcom,state-names = "stop";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&wcnss_pin_a>;
+};
--
1.8.2.2
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