linux-kernel - [PATCH 1/2] net/macb: bindings doc: add sifive fu540-c000 binding

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Message-Id: <1558611952-13295-2-git-send-email-yash.shah@sifive.com>
Date:   Thu, 23 May 2019 17:15:51 +0530
From:   Yash Shah <yash.shah@...ive.com>
To:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        devicetree@...r.kernel.org
Cc:     robh+dt@...nel.org, mark.rutland@....com,
        nicolas.ferre@...rochip.com, palmer@...ive.com,
        aou@...s.berkeley.edu, ynezz@...e.cz, paul.walmsley@...ive.com,
        sachin.ghadi@...ive.com, Yash Shah <yash.shah@...ive.com>
Subject: [PATCH 1/2] net/macb: bindings doc: add sifive fu540-c000 binding

Add the compatibility string documentation for SiFive FU540-C0000
interface.
On the FU540, this driver also needs to read and write registers in a
management IP block that monitors or drives boundary signals for the
GEMGXL IP block that are not directly mapped to GEMGXL registers.
Therefore, add additional range to "reg" property for SiFive GEMGXL
management IP registers.

Signed-off-by: Yash Shah <yash.shah@...ive.com>
---
 Documentation/devicetree/bindings/net/macb.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
index 9c5e944..91a2a66 100644
--- a/Documentation/devicetree/bindings/net/macb.txt
+++ b/Documentation/devicetree/bindings/net/macb.txt
@@ -4,6 +4,7 @@ Required properties:
 - compatible: Should be "cdns,[<chip>-]{macb|gem}"
   Use "cdns,at91rm9200-emac" Atmel at91rm9200 SoC.
   Use "cdns,at91sam9260-macb" for Atmel at91sam9 SoCs.
+  Use "cdns,fu540-macb" for SiFive FU540-C000 SoC.
   Use "cdns,sam9x60-macb" for Microchip sam9x60 SoC.
   Use "cdns,np4-macb" for NP4 SoC devices.
   Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb".
@@ -17,6 +18,8 @@ Required properties:
   Use "cdns,zynqmp-gem" for Zynq Ultrascale+ MPSoC.
   Or the generic form: "cdns,emac".
 - reg: Address and length of the register set for the device
+	For "cdns,fu540-macb", second range is required to specify the
+	address and length of the registers for GEMGXL Management block.
 - interrupts: Should contain macb interrupt
 - phy-mode: See ethernet.txt file in the same directory.
 - clock-names: Tuple listing input clock names.
-- 
1.9.1