From: Chuanhong Guo <gch981213@gmail.com>
To: linux-mtd@lists.infradead.org
Cc: David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Tudor Ambarus <tudor.ambarus@microchip.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
Chuanhong Guo <gch981213@gmail.com>
Subject: [PATCH 2/2] dt-bindings: mtd: mtk-quadspi: update bindings for mmap flash read
Date: Wed, 6 Nov 2019 22:07:48 +0800 [thread overview]
Message-ID: <20191106140748.13100-3-gch981213@gmail.com> (raw)
In-Reply-To: <20191106140748.13100-1-gch981213@gmail.com>
update register descriptions and add an example binding using it.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
---
.../devicetree/bindings/mtd/mtk-quadspi.txt | 21 ++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mtd/mtk-quadspi.txt b/Documentation/devicetree/bindings/mtd/mtk-quadspi.txt
index a12e3b5c495d..4860f6e96f5a 100644
--- a/Documentation/devicetree/bindings/mtd/mtk-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/mtk-quadspi.txt
@@ -12,7 +12,10 @@ Required properties:
"mediatek,mt7623-nor", "mediatek,mt8173-nor"
"mediatek,mt7629-nor", "mediatek,mt8173-nor"
"mediatek,mt8173-nor"
-- reg: physical base address and length of the controller's register
+- reg: Contains one or two entries, each of which is a tuple consisting of a
+ physical address and length. The first entry is the address and length
+ of the controller register set. The optional second entry is the address
+ and length of the area where the nor flash is mapped to.
- clocks: the phandle of the clocks needed by the nor controller
- clock-names: the names of the clocks
the clocks should be named "spi" and "sf". "spi" is used for spi bus,
@@ -48,3 +51,19 @@ nor_flash: spi@1100d000 {
};
};
+nor_flash: spi@11014000 {
+ compatible = "mediatek,mt7629-nor",
+ "mediatek,mt8173-nor";
+ reg = <0x11014000 0xe0>,
+ <0x30000000 0x10000000>;
+ clocks = <&pericfg CLK_PERI_FLASH_PD>,
+ <&topckgen CLK_TOP_FLASH_SEL>;
+ clock-names = "spi", "sf";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ };
+};
--
2.21.0
next prev parent reply other threads:[~2019-11-06 14:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-06 14:07 [PATCH 0/2] mtd: mtk-quadspi: add support for memory-mapped flash reading Chuanhong Guo
2019-11-06 14:07 ` [PATCH 1/2] " Chuanhong Guo
2019-11-07 6:06 ` Vignesh Raghavendra
2019-11-07 9:31 ` Chuanhong Guo
2019-11-07 12:25 ` Vignesh Raghavendra
2019-11-07 13:23 ` Yingjoe Chen
2019-11-07 15:34 ` Chuanhong Guo
2019-11-08 3:52 ` Chuanhong Guo
2019-11-06 14:07 ` Chuanhong Guo [this message]
2019-11-07 1:09 ` [PATCH 2/2] dt-bindings: mtd: mtk-quadspi: update bindings for mmap flash read Rob Herring
2019-11-07 9:25 ` Chuanhong Guo
2019-11-08 3:51 ` Chuanhong Guo
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