linux-kernel - [PATCH 7/7] ARM: dts: f1c100s: Activate SPI flash on Lichee Pi Nano

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Date:   Mon, 11 Feb 2019 12:21:13 +0300
From:   Mesih Kilinc <mesihkilinc@...il.com>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-sunxi@...glegroups.com
Cc:     Mesih Kilinc <mesihkilinc@...il.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Icenowy Zheng <icenowy@...c.io>,
        Rob Herring <robh+dt@...nel.org>
Subject: [PATCH 7/7] ARM: dts: f1c100s: Activate SPI flash on Lichee Pi Nano

The Lichee Pi Nano board has a Winbond W25Q128FVSIQ 128Mbit SPI NOR flash
connected to the SPI0 controller of F1C100s SoC, via the pinmux group at
PC bank; so it's bootable.

Enable this SPI flash.

Signed-off-by: Mesih Kilinc <mesihkilinc@...il.com>
---
 arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts b/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts
index a1154e6..52a29be 100644
--- a/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts
+++ b/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts
@@ -24,3 +24,16 @@
 	pinctrl-0 = <&uart0_pe_pins>;
 	status = "okay";
 };
+
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pc_pins>;
+	status = "okay";
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "winbond,w25q128", "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+	};
+};
-- 
2.7.4