linux-kernel - [PATCH v2 4/4] arm64: imx8mp: imx8mp-phycore-som enable spi nor

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Message-Id: <20210309053116.1486347-5-hs@denx.de>
Date:   Tue,  9 Mar 2021 06:31:16 +0100
From:   Heiko Schocher <hs@...x.de>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Heiko Schocher <hs@...x.de>, Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Teresa Remmet <t.remmet@...tec.de>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/4] arm64: imx8mp: imx8mp-phycore-som enable spi nor

enable the mt25qu256aba spi nor on the imx8mp-phycore-som.

Signed-off-by: Heiko Schocher <hs@...x.de>

---

Changes in v2:
- work in comments from Marco and Teresa
  - rename node into "'som_flash: flash@0 { }"
  - compatible is now first entry
  - removed #size-cells and #address-cells
    as no child node. If bootloader adds them bootloader
    can add them too.

 .../dts/freescale/imx8mp-phycore-som.dtsi     | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
index 44a8c2337cee4..e648b1b6acdaa 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
@@ -65,6 +65,20 @@ ethphy1: ethernet-phy@0 {
 	};
 };
 
+&flexspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexspi0>;
+	status = "okay";
+
+	som_flash: flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <80000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+	};
+};
+
 &i2c1 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default";
@@ -217,6 +231,17 @@ MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15		0x11
 		>;
 	};
 
+	pinctrl_flexspi0: flexspi0grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_ALE__FLEXSPI_A_SCLK		0x1c2
+			MX8MP_IOMUXC_NAND_CE0_B__FLEXSPI_A_SS0_B	0x82
+			MX8MP_IOMUXC_NAND_DATA00__FLEXSPI_A_DATA00	0x82
+			MX8MP_IOMUXC_NAND_DATA01__FLEXSPI_A_DATA01	0x82
+			MX8MP_IOMUXC_NAND_DATA02__FLEXSPI_A_DATA02	0x82
+			MX8MP_IOMUXC_NAND_DATA03__FLEXSPI_A_DATA03	0x82
+		>;
+	};
+
 	pinctrl_i2c1: i2c1grp {
 		fsl,pins = <
 			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL		0x400001c3
-- 
2.29.2