linux-kernel - [PATCH (v4) 1/2] mtd: brcmnand: Add brcm,bcm63268-nand device tree binding

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Message-ID: <56523E85.905@simon.arlott.org.uk>
Date:	Sun, 22 Nov 2015 22:15:33 +0000
From:	Simon Arlott <simon@...e.lp0.eu>
To:	Rob Herring <robh@...nel.org>
Cc:	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Brian Norris <computersforpeace@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jonas Gorski <jogo@...nwrt.org>
Subject: [PATCH (v4) 1/2] mtd: brcmnand: Add brcm,bcm63268-nand device tree
 binding

Add device tree binding for NAND on the BCM63268.

The BCM63268 has a NAND interrupt register with combined status and enable
registers.

Signed-off-by: Simon Arlott <simon@...e.lp0.eu>
---
On 22/11/15 21:59, Rob Herring wrote:
>> + * "brcm,nand-bcm63268"
>> + - compatible: should contain "brcm,nand-bcm<soc>", "brcm,nand-bcm63268"
>
> vendor,<soc>-device is preferred.

The existing two bindings use brcm,nand-<soc>, but I've changed this one.

 .../devicetree/bindings/mtd/brcm,brcmnand.txt      | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
index 4ff7128..2644d6c 100644
--- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
+++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
@@ -72,6 +72,13 @@ we define additional 'compatible' properties and associated register resources w
        and enable registers
      - reg-names: (required) "nand-int-base"
 
+   * "brcm,bcm63268-nand"
+     - compatible: should contain "brcm,bcm<soc>-nand", "brcm,bcm63268-nand"
+     - reg: (required) the 'NAND_INTR_BASE' register range, with combined status
+       and enable registers, and boot address registers
+     - reg-names: (required) "nand-intr-base"
+     - clock: (required) reference to the clock for NAND controller
+
    * "brcm,nand-iproc"
      - reg: (required) the "IDM" register range, for interrupt enable and APB
        bus access endianness configuration, and the "EXT" register range,
@@ -148,3 +155,29 @@ nand@...42800 {
 		};
 	};
 };
+
+nand@...0000200 {
+	compatible = "brcm,bcm63168-nand", "brcm,bcm63268-nand",
+		"brcm,brcmnand-v4.0", "brcm,brcmnand";
+	reg = <0x10000200 0x180>,
+	      <0x10000600 0x200>,
+	      <0x100000b0 0x10>;
+	reg-names = "nand", "nand-cache", "nand-intr-base";
+	interrupt-parent = <&periph_intc>;
+	interrupts = <50>;
+	clocks = <&periph_clk 20>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	nand0: nandcs@0 {
+		compatible = "brcm,nandcs";
+		reg = <0>;
+		nand-on-flash-bbt;
+		nand-ecc-strength = <1>;
+		nand-ecc-step-size = <512>;
+
+		#address-cells = <0>;
+		#size-cells = <0>;
+	};
+};
-- 
2.1.4

-- 
Simon Arlott
--
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