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From: Yogesh Gaur <yogeshnarayan.gaur-3arQi8VN3Tc@public.gmane.org>
To: linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
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Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org,
	cyrille.pitchen-yU5RGvR974pGWvitb5QawA@public.gmane.org,
	computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	han.xu-3arQi8VN3Tc@public.gmane.org,
	festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	prabhakar.kushwaha-3arQi8VN3Tc@public.gmane.org,
	suresh.gupta-3arQi8VN3Tc@public.gmane.org,
	Yogesh Gaur <yogeshnarayan.gaur-3arQi8VN3Tc@public.gmane.org>
Subject: [PATCH] arm64: dts: ls1088a: Add qspi device node for ls1088a-rdb
Date: Thu, 25 Jan 2018 13:56:57 +0530	[thread overview]
Message-ID: <1516868817-2327-1-git-send-email-yogeshnarayan.gaur@nxp.com> (raw)

Add nodes and properties for QSPI controller.
Add support for spansion flash, s25fs512s, as slave device for
QSPI controller.

Added entry of "fsl,ls1088a-qspi" in fsl-quadspi.txt binding file.

Signed-off-by: Suresh Gupta <suresh.gupta-3arQi8VN3Tc@public.gmane.org>
Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur-3arQi8VN3Tc@public.gmane.org>
---
Depends on
 https://patchwork.ozlabs.org/project/linux-mtd/list/?series=25292

 .../devicetree/bindings/mtd/fsl-quadspi.txt         |  1 +
 arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts   | 21 +++++++++++++++++++++
 arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi      | 12 ++++++++++++
 3 files changed, 34 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
index 13a903e..927d65c 100644
--- a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
@@ -7,6 +7,7 @@ Required properties:
 		 or
 		 "fsl,ls2080a-qspi" followed by "fsl,ls1021a-qspi",
 		 "fsl,ls1043a-qspi" followed by "fsl,ls1021a-qspi"
+		 "fsl,ls2080a-qspi" followed by "fsl,ls1088a-qspi",
   - reg : the first contains the register location and length,
           the second contains the memory mapping address and length
   - reg-names: Should contain the reg names "QuadSPI" and "QuadSPI-memory"
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
index 0f6fcda..3febb59 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
@@ -94,6 +94,27 @@
 	};
 };
 
+&qspi {
+	status = "okay";
+	fsl,qspi-has-second-chip;
+	spi-rx-bus-width = <4>;
+	spi-tx-bus-width = <4>;
+	qflash0: s25fs512s@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+
+	qflash1: s25fs512s@1 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		spi-max-frequency = <20000000>;
+		reg = <1>;
+	};
+
+};
+
 &ifc {
 	ranges = <0 0 0x5 0x30000000 0x00010000
 		  2 0 0x5 0x20000000 0x00010000>;
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index bd80e9a..b45a522 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -394,6 +394,18 @@
 			status = "disabled";
 		};
 
+		qspi: quadspi@20c0000 {
+			compatible = "fsl,ls2080a-qspi", "fsl,ls1088a-qspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0 0x20c0000 0x0 0x10000>,
+				<0x0 0x20000000 0x0 0x10000000>;
+			reg-names = "QuadSPI", "QuadSPI-memory";
+			interrupts = <0 25 0x4>; /* Level high type */
+			clocks = <&clockgen 4 3>, <&clockgen 4 3>;
+			clock-names = "qspi_en", "qspi";
+		};
+
 		sata: sata@3200000 {
 			compatible = "fsl,ls1088a-ahci";
 			reg = <0x0 0x3200000 0x0 0x10000>,
-- 
1.9.1

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                 reply	other threads:[~2018-01-25  8:26 UTC|newest]

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