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authorLinus Torvalds <torvalds@linux-foundation.org>2018-02-04 22:11:23 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-04 22:11:23 +0300
commit8ac4840a3c90cf45830b265c0a4d0876358e8f59 (patch)
tree287d7fc903e18ac98657334b81450d4abed8d5bc /Documentation/devicetree/bindings/mailbox
parent4141cf676b9e345d3ddeb1710dd3156a09c50244 (diff)
parent0ae7d327a64b262443b7d3ebee5831e4dde47b89 (diff)
downloadlinux-8ac4840a3c90cf45830b265c0a4d0876358e8f59.tar.xz
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
Diffstat (limited to 'Documentation/devicetree/bindings/mailbox')
-rw-r--r--Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt18
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>;
+ };