[PATCH v2 2/2] dt-bindings: Add DT bindings info for FlexRM ring manager
From: robh@kernel.org (Rob Herring)
Date: 2016-12-09 18:01:35
Also in:
linux-devicetree, lkml
On Fri, Dec 02, 2016 at 10:08:56AM +0530, Anup Patel wrote:
quoted hunk ↗ jump to hunk
This patch adds device tree bindings document for the FlexRM ring manager found on Broadcom iProc SoCs. Reviewed-by: Ray Jui <redacted> Reviewed-by: Scott Branden <scott.branden@broadcom.com> Signed-off-by: Anup Patel <redacted> --- .../bindings/mailbox/brcm,iproc-flexrm-mbox.txt | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/brcm,iproc-flexrm-mbox.txtdiff --git a/Documentation/devicetree/bindings/mailbox/brcm,iproc-flexrm-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,iproc-flexrm-mbox.txt new file mode 100644 index 0000000..e81f116 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/brcm,iproc-flexrm-mbox.txt@@ -0,0 +1,60 @@
[...]
+Example:
+--------
+crypto_mbox: mbox at 67000000 {
+ compatible = "brcm,flexrm-mbox";
+ reg = <0x67000000 0x200000>;
+ msi-parent = <&gic_its 0x7f00>;
+ #mbox-cells = <3>;
+};
+
+crypto_client {
+ ...
+ mboxes = <&crypto_mbox 0 0x1 0xffff>,
+ <&crypto_mbox 1 0x1 0xffff>,
+ <&crypto_mbox 16 0x1 0xffff>,
+ <&crypto_mbox 17 0x1 0xffff>,
+ <&crypto_mbox 30 0x1 0xffff>,
+ <&crypto_mbox 31 0x1 0xffff>;The FlexRM part looks fine. I still don't understand what this node is. Is this a h/w block or just a list of mailboxes? What determines the mailbox channel numbers here? I need to see what the complete node looks like. Rob