From: Rob Rice <rob.rice@broadcom.com>
To: Jassi Brar <jassisinghbrar@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
bcm-kernel-feedback-list@broadcom.com,
linux-kernel@vger.kernel.org, Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Jon Mason <jonmason@broadcom.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Anup Patel <anup.patel@broadcom.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>, Rob Rice <rrice@broadcom.com>,
Rob Rice <rob.rice@broadcom.com>
Subject: [PATCH 1/3] dt-bindings: add bindings documentation for PDC driver.
Date: Tue, 24 May 2016 14:07:28 -0400 [thread overview]
Message-ID: <1464113250-15629-2-git-send-email-rob.rice@broadcom.com> (raw)
In-Reply-To: <1464113250-15629-1-git-send-email-rob.rice@broadcom.com>
From: Rob Rice <rrice@broadcom.com>
Add the device tree binding documentation for the PDC hardware
in Broadcom iProc SoCs.
Signed-off-by: Rob Rice <rob.rice@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
---
.../bindings/mailbox/brcm,iproc-pdc-mbox.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt
diff --git a/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt
new file mode 100644
index 0000000..411ccf4
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt
@@ -0,0 +1,23 @@
+The PDC driver manages data transfer to and from various offload engines
+on some Broadcom SoCs. An SoC may have multiple PDC hardware blocks. There is
+one device tree entry per block.
+
+Required properties:
+- compatible : Should be "brcm,iproc-pdc-mbox".
+- reg: Should contain PDC registers location and length.
+- interrupts: Should contain the IRQ line for the PDC.
+- #mbox-cells: 1
+- brcm,rx-status-len: Length of metadata preceding received frames, in bytes.
+
+Optional properties:
+- brcm,use-bcm-hdr: present if a BCM header precedes each frame.
+
+Example:
+ pdc0: iproc-pdc0@0x612c0000 {
+ compatible = "brcm,iproc-pdc-mbox";
+ reg = <0 0x612c0000 0 0x445>; /* PDC FS0 regs */
+ interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
+ #mbox-cells = <1>; /* one cell per mailbox channel */
+ brcm,rx-status-len = <32>;
+ brcm,use-bcm-hdr;
+ };
--
2.1.0
next prev parent reply other threads:[~2016-05-24 18:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 18:07 [PATCH 0/3] Add Broadcom PDC mailbox driver Rob Rice
2016-05-24 18:07 ` Rob Rice [this message]
2016-05-25 18:46 ` [PATCH 1/3] dt-bindings: add bindings documentation for PDC driver Rob Herring
2016-05-24 18:07 ` [PATCH 2/3] mailbox: Add Broadcom PDC mailbox driver Rob Rice
2016-06-26 6:31 ` Jassi Brar
2016-06-28 13:36 ` Rob Rice
2016-06-28 15:21 ` Jassi Brar
2016-05-24 18:07 ` [PATCH 3/3] arm64: dts: Add Broadcom Northstar2 device tree entries for PDC driver Rob Rice
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