Adds mailbox / PDC to NSP device tree. Needs new compatibility string
to differentiate from NS2 version.
Signed-off-by: Steve Lin <steven.lin1@xxxxxxxxxxxx>
---
.../devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt | 6 ++++--
arch/arm/boot/dts/bcm-nsp.dtsi | 9 +++++++++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt
index 411ccf4..0f3ee81 100644
--- a/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt
+++ b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt
@@ -1,9 +1,11 @@
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.
+one device tree entry per block. On some chips, the PDC functionality is
+handled by the FA2 (Northstar Plus).
Required properties:
-- compatible : Should be "brcm,iproc-pdc-mbox".
+- compatible : Should be "brcm,iproc-pdc-mbox" or "brcm,iproc-fa2-mbox" for
+ FA2/Northstar Plus.
- reg: Should contain PDC registers location and length.
- interrupts: Should contain the IRQ line for the PDC.
- #mbox-cells: 1
diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index 15f07f9..8b56d74 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -227,6 +227,15 @@
status = "disabled";
};
+ mailbox: mailbox@25000 {
+ compatible = "brcm,iproc-fa2-mbox";
+ reg = <0x25000 0x445>;
+ interrupts = <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
+ #mbox-cells = <1>;
+ brcm,rx-status-len = <32>;
+ brcm,use-bcm-hdr;
+ };
+
nand: nand@26000 {
compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1";
reg = <0x026000 0x600>,
--
2.1.0
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