linux-kernel - [PATCH 07/10] ARM: dts: imx6q-evi: support altera-ps-spi

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Message-Id: <20170605190741.10508-8-atull@kernel.org>
Date:   Mon,  5 Jun 2017 14:07:38 -0500
From:   Alan Tull <atull@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org,
        Moritz Fischer <moritz.fischer@...us.com>,
        delicious.quinoa@...il.com,
        Joshua Clayton <stillcompiling@...il.com>,
        Alan Tull <atull@...nel.org>
Subject: [PATCH 07/10] ARM: dts: imx6q-evi: support altera-ps-spi

From: Joshua Clayton <stillcompiling@...il.com>

Add support for Altera FPGA connected to an spi port
to the evi devicetree file

Signed-off-by: Joshua Clayton <stillcompiling@...il.com>
Signed-off-by: Alan Tull <atull@...nel.org>
---
 arch/arm/boot/dts/imx6q-evi.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/imx6q-evi.dts b/arch/arm/boot/dts/imx6q-evi.dts
index fd2220aa49e2..55ec775d4435 100644
--- a/arch/arm/boot/dts/imx6q-evi.dts
+++ b/arch/arm/boot/dts/imx6q-evi.dts
@@ -94,6 +94,15 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_ecspi1 &pinctrl_ecspi1cs>;
 	status = "okay";
+
+	fpga: fpga@0 {
+		compatible = "altr,fpga-passive-serial";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+		pinctrl-0 = <&pinctrl_fpgaspi>;
+		nconfig-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>;
+		nstat-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
+	};
 };
 
 &ecspi3 {
@@ -319,6 +328,13 @@
 		>;
 	};
 
+	pinctrl_fpgaspi: fpgaspigrp {
+		fsl,pins = <
+			MX6QDL_PAD_KEY_ROW1__GPIO4_IO09 0x1b0b0
+			MX6QDL_PAD_KEY_ROW2__GPIO4_IO11 0x1b0b0
+		>;
+	};
+
 	pinctrl_gpminand: gpminandgrp {
 		fsl,pins = <
 			MX6QDL_PAD_NANDF_CLE__NAND_CLE 0xb0b1
-- 
2.11.0