Merge tag 'mailbox-v4.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:
 "Misc driver changes only:

   - TI-MsgMgr: Fix print format for a printk

   - TI-MSgMgr: SPDX license switch for the driver

   - QCOM-IPC: Convert driver to use regmap

   - QCOM-IPC: Spawn sibling clock device from mailbox driver"

* tag 'mailbox-v4.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  dt-bindings: mailbox: qcom: Document the APCS clock binding
  mailbox: qcom: Create APCS child device for clock controller
  mailbox: qcom: Convert APCS IPC driver to use regmap
  mailbox: ti-msgmgr: Use %zu for size_t print format
  mailbox: ti-msgmgr: Switch to SPDX Licensing

1 files changed, 18 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
index fb961c310f44..16964f0c1773 100644
--- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
+++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
@@ -15,12 +15,21 @@ platforms.
 	Usage: required
 	Value type: <prop-encoded-array>
 	Definition: must specify the base address and size of the global block
+- clocks:
+	Usage: required if #clocks-cells property is present
+	Value type: <phandle>
+	Definition: phandle to the input PLL, which feeds the APCS mux/divider
 
 - #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
+
 
 = EXAMPLE
 The following example describes the APCS HMSS found in MSM8996 and part of the
@@ -44,3 +53,12 @@ GLINK RPM referencing the "rpm_hlos" doorbell therein.
 		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>;
+	};