linux-kernel - [PATCH 2/3] arm64: dts: imx8dxl: add flexspi support

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Message-Id: <20221104192135.1661541-2-Frank.Li@nxp.com>
Date:   Fri,  4 Nov 2022 15:21:26 -0400
From:   Frank Li <Frank.Li@....com>
To:     han.xu@....com, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Peng Fan <peng.fan@....com>,
        Shenwei Wang <shenwei.wang@....com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX
        / MXC ARM ARCHITECTURE), linux-kernel@...r.kernel.org (open list)
Cc:     imx@...ts.linux.dev
Subject: [PATCH 2/3] arm64: dts: imx8dxl: add flexspi support

Add flexspi0 node at common lsio subsystem.
Enable flexspi0 at imx8dxl_evk boards dts.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 .../boot/dts/freescale/imx8-ss-lsio.dtsi      | 17 ++++++++-
 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 36 +++++++++++++++++++
 .../boot/dts/freescale/imx8dxl-ss-lsio.dtsi   |  5 +++
 3 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
index 6446e6df7a9a..1f3d225e64ec 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
@@ -11,7 +11,8 @@ lsio_subsys: bus@...00000 {
 	compatible = "simple-bus";
 	#address-cells = <1>;
 	#size-cells = <1>;
-	ranges = <0x5d000000 0x0 0x5d000000 0x1000000>;
+	ranges = <0x5d000000 0x0 0x5d000000 0x1000000>,
+		 <0x08000000 0x0 0x08000000 0x10000000>;
 
 	lsio_mem_clk: clock-lsio-mem {
 		compatible = "fixed-clock";
@@ -107,6 +108,20 @@ lsio_gpio7: gpio@...f0000 {
 		power-domains = <&pd IMX_SC_R_GPIO_7>;
 	};
 
+	flexspi0: spi@...20000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "nxp,imx8qxp-fspi";
+		reg = <0x5d120000 0x10000>, <0x08000000 0x10000000>;
+		reg-names = "fspi_base", "fspi_mmap";
+		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&clk IMX_SC_R_FSPI_0 IMX_SC_PM_CLK_PER>,
+			 <&clk IMX_SC_R_FSPI_0 IMX_SC_PM_CLK_PER>;
+		clock-names = "fspi", "fspi_en";
+		power-domains = <&pd IMX_SC_R_FSPI_0>;
+		status = "disabled";
+	};
+
 	lsio_mu0: mailbox@...b0000 {
 		reg = <0x5d1b0000 0x10000>;
 		interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index 11b1ff90c06d..f8d416f7fd92 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -181,6 +181,23 @@ vddio1: vddio-regulator {
 	};
 };
 
+&flexspi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexspi0>;
+	nxp,fspi-dll-slvdly = <4>;
+	status = "okay";
+
+	mt35xu512aba0: flash@0 {
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <133000000>;
+		spi-tx-bus-width = <8>;
+		spi-rx-bus-width = <8>;
+	};
+};
+
 &i2c2 {
 	#address-cells = <1>;
 	#size-cells = <0>;
@@ -386,6 +403,25 @@ IMX8DXL_ENET1_RGMII_TX_CTL_CONN_EQOS_RGMII_TX_CTL	0x06000020
 		>;
 	};
 
+	pinctrl_flexspi0: flexspi0grp {
+		fsl,pins = <
+			IMX8DXL_QSPI0A_DATA0_LSIO_QSPI0A_DATA0     0x06000021
+			IMX8DXL_QSPI0A_DATA1_LSIO_QSPI0A_DATA1     0x06000021
+			IMX8DXL_QSPI0A_DATA2_LSIO_QSPI0A_DATA2     0x06000021
+			IMX8DXL_QSPI0A_DATA3_LSIO_QSPI0A_DATA3     0x06000021
+			IMX8DXL_QSPI0A_DQS_LSIO_QSPI0A_DQS         0x06000021
+			IMX8DXL_QSPI0A_SS0_B_LSIO_QSPI0A_SS0_B     0x06000021
+			IMX8DXL_QSPI0A_SCLK_LSIO_QSPI0A_SCLK       0x06000021
+			IMX8DXL_QSPI0B_SCLK_LSIO_QSPI0B_SCLK       0x06000021
+			IMX8DXL_QSPI0B_DATA0_LSIO_QSPI0B_DATA0     0x06000021
+			IMX8DXL_QSPI0B_DATA1_LSIO_QSPI0B_DATA1     0x06000021
+			IMX8DXL_QSPI0B_DATA2_LSIO_QSPI0B_DATA2     0x06000021
+			IMX8DXL_QSPI0B_DATA3_LSIO_QSPI0B_DATA3     0x06000021
+			IMX8DXL_QSPI0B_DQS_LSIO_QSPI0B_DQS         0x06000021
+			IMX8DXL_QSPI0B_SS0_B_LSIO_QSPI0B_SS0_B     0x06000021
+		>;
+	};
+
 	pinctrl_fec1: fec1grp {
 		fsl,pins = <
 			IMX8DXL_COMP_CTL_GPIO_1V8_3V3_ENET_ENETB0_PAD		0x000014a0
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-ss-lsio.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl-ss-lsio.dtsi
index 815bd987b09b..85e6131ec406 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-ss-lsio.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-ss-lsio.dtsi
@@ -3,6 +3,11 @@
  * Copyright 2019~2020, 2022 NXP
  */
 
+&flexspi0 {
+	compatible = "nxp,imx8dxl-fspi";
+	interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+};
+
 &lsio_gpio0 {
 	compatible = "fsl,imx8dxl-gpio", "fsl,imx35-gpio";
 	interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
-- 
2.34.1