Re: [PATCH V3 1/8] dt-bindings: mailbox: Add YAML schemas for QCOM APCS global block

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On 4/21/2020 2:29 AM, Rob Herring wrote:
On Tue, Apr 14, 2020 at 08:25:15AM +0530, Sivaprakash Murugesan wrote:
Qualcomm APCS global block provides a bunch of generic properties which
are required in a device tree. Add YAML schema for these properties.

Signed-off-by: Sivaprakash Murugesan <sivaprak@xxxxxxxxxxxxxx>
---
  .../bindings/mailbox/qcom,apcs-kpss-global.txt     | 88 ----------------------
  .../bindings/mailbox/qcom,apcs-kpss-global.yaml    | 88 ++++++++++++++++++++++
  2 files changed, 88 insertions(+), 88 deletions(-)
  delete mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
  create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml

diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
deleted file mode 100644
index beec612..0000000
--- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
+++ /dev/null
@@ -1,88 +0,0 @@
-Binding for the Qualcomm APCS global block
-==========================================
-
-This binding describes the APCS "global" block found in various Qualcomm
-platforms.
-
-- compatible:
-	Usage: required
-	Value type: <string>
-	Definition: must be one of:
-		    "qcom,msm8916-apcs-kpss-global",
-		    "qcom,msm8996-apcs-hmss-global"
-		    "qcom,msm8998-apcs-hmss-global"
-		    "qcom,qcs404-apcs-apps-global"
-		    "qcom,sc7180-apss-shared"
-		    "qcom,sdm845-apss-shared"
-		    "qcom,sm8150-apss-shared"
-		    "qcom,ipq8074-apcs-apps-global"
-
-- reg:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: must specify the base address and size of the global block
-
-- clocks:
-	Usage: required if #clock-names property is present
-	Value type: <phandle array>
-	Definition: phandles to the two parent clocks of the clock driver.
-
-- #mbox-cells:
-	Usage: required
-	Value type: <u32>
-	Definition: as described in mailbox.txt, must be 1
-
-- #clock-cells:
-	Usage: optional
-	Value type: <u32>
-	Definition: as described in clock.txt, must be 0
-
-- clock-names:
-	Usage: required if the platform data based clock driver needs to
-	retrieve the parent clock names from device tree.
-	This will requires two mandatory clocks to be defined.
-	Value type: <string-array>
-	Definition: must be "pll" and "aux"
-
-= EXAMPLE
-The following example describes the APCS HMSS found in MSM8996 and part of the
-GLINK RPM referencing the "rpm_hlos" doorbell therein.
-
-	apcs_glb: mailbox@9820000 {
-		compatible = "qcom,msm8996-apcs-hmss-global";
-		reg = <0x9820000 0x1000>;
-
-		#mbox-cells = <1>;
-	};
-
-	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>;
-		mbox-names = "rpm_hlos";
-	};
-
-Below is another example of the APCS binding on MSM8916 platforms:
-
-	apcs: mailbox@b011000 {
-		compatible = "qcom,msm8916-apcs-kpss-global";
-		reg = <0xb011000 0x1000>;
-		#mbox-cells = <1>;
-		clocks = <&a53pll>;
-		#clock-cells = <0>;
-	};
-
-Below is another example of the APCS binding on QCS404 platforms:
-
-	apcs_glb: 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>;
-	};
diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
new file mode 100644
index 0000000..b46474b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
@@ -0,0 +1,88 @@
+# 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 bindings
+
+description:
+  This binding describes the APCS "global" block found in various Qualcomm
+  platforms.
+
+maintainers:
+  - Sivaprakash Murugesan <sivaprak@xxxxxxxxxxxxxx>
+
+properties:
+  compatible:
+    enum:
+      - qcom,ipq8074-apcs-apps-global
+      - qcom,msm8916-apcs-kpss-global
+      - qcom,msm8996-apcs-hmss-global
+      - qcom,msm8998-apcs-hmss-global
+      - qcom,qcs404-apcs-apps-global
+      - qcom,sc7180-apss-shared
+      - qcom,sdm845-apss-shared
+      - qcom,sm8150-apss-shared
+
+  reg:
+    description: specifies the base address and size of the global block
Can drop this.
ok.

+    maxItems: 1
+
+  clocks:
+    description: phandles to the parent clocks of the clock driver
Need to define how many and what each one is.
ok.

+
+  '#mbox-cells':
+    const: 1
+
+  '#clock-cells':
+    const: 0
+
+  clock-names:
+    description:
+      parent clock names, required if the platform data based clock driver
+      needs to retrieve the parent clock names from device tree.
Drop.
ok.

+    maxItems: 2
Not needed as 'items' implies this.
ok.



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