From e4aacd31d6225914c4f2a52c651e8fe35df8bc7b Mon Sep 17 00:00:00 2001
From: Maureen Helm <maureen.helm@nxp.com>
Date: Fri, 14 Sep 2018 16:14:32 -0500
Subject: [PATCH] dts: Add lpspi yaml bindings and dts nodes

Adds yaml bindings and dts nodes for the nxp lpspi peripheral.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
---
 dts/arm/nxp/nxp_rt.dtsi             | 44 +++++++++++++++++++++++++++++
 dts/bindings/spi/nxp,imx-lpspi.yaml | 41 +++++++++++++++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 dts/bindings/spi/nxp,imx-lpspi.yaml

diff --git a/dts/arm/nxp/nxp_rt.dtsi b/dts/arm/nxp/nxp_rt.dtsi
index 8840867b163..c6072ec3a48 100644
--- a/dts/arm/nxp/nxp_rt.dtsi
+++ b/dts/arm/nxp/nxp_rt.dtsi
@@ -119,6 +119,50 @@
 			label = "PINMUX_0";
 		};
 
+		spi1: spi@40394000 {
+			compatible = "nxp,imx-lpspi";
+			reg = <0x40394000 0x4000>;
+			interrupts = <32 3>;
+			label = "SPI_1";
+			status = "disabled";
+			clocks = <&ccm IMX_CCM_LPSPI_CLK 0x6c 0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		spi2: spi@40398000 {
+			compatible = "nxp,imx-lpspi";
+			reg = <0x40398000 0x4000>;
+			interrupts = <33 3>;
+			label = "SPI_2";
+			status = "disabled";
+			clocks = <&ccm IMX_CCM_LPSPI_CLK 0x6c 2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		spi3: spi@4039c000 {
+			compatible = "nxp,imx-lpspi";
+			reg = <0x4039c000 0x4000>;
+			interrupts = <34 3>;
+			label = "SPI_3";
+			status = "disabled";
+			clocks = <&ccm IMX_CCM_LPSPI_CLK 0x6c 4>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		spi4: spi@403a0000 {
+			compatible = "nxp,imx-lpspi";
+			reg = <0x403a0000 0x4000>;
+			interrupts = <35 3>;
+			label = "SPI_4";
+			status = "disabled";
+			clocks = <&ccm IMX_CCM_LPSPI_CLK 0x6c 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		uart1: uart@40184000 {
 			compatible = "nxp,kinetis-lpuart";
 			reg = <0x40184000 0x4000>;
diff --git a/dts/bindings/spi/nxp,imx-lpspi.yaml b/dts/bindings/spi/nxp,imx-lpspi.yaml
new file mode 100644
index 00000000000..0cf2503d230
--- /dev/null
+++ b/dts/bindings/spi/nxp,imx-lpspi.yaml
@@ -0,0 +1,41 @@
+#
+# Copyright (c) 2018, NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+---
+title: NXP LPSPI
+id: nxp,imx-lpspi
+version: 0.1
+
+description: >
+    This binding gives a base representation of the NXP i.MX LPSPI controller
+
+inherits:
+    !include spi.yaml
+
+properties:
+    compatible:
+      type: string
+      category: required
+      description: compatible strings
+      constraint: "nxp,imx-lpspi"
+
+    reg:
+      type: array
+      description: mmio register space
+      generation: define
+      category: required
+
+    interrupts:
+      type: array
+      category: required
+      description: required interrupts
+      generation: define
+
+    clocks:
+      type: array
+      category: required
+      description: Clock gate information
+      generation: define
+...