From 291e1289a05745c99b56ad4583f0ee037d80be51 Mon Sep 17 00:00:00 2001
From: Jose Alberto Meza <jose.a.meza.arellano@intel.com>
Date: Mon, 22 Apr 2019 14:36:40 -0700
Subject: [PATCH] dts: mchp: Add Microchip I2C SoC device tree

Expose MEC1501 5 I2C/SMB  controllers
Add Microchip specific I2C device tree properties

Signed-off-by: Jose Alberto Meza <jose.a.meza.arellano@intel.com>
---
 dts/arm/microchip/mec1501hsz.dtsi       | 31 +++++++++++++++++++++
 dts/bindings/i2c/microchip,xec-i2c.yaml | 36 +++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100644 dts/bindings/i2c/microchip,xec-i2c.yaml

diff --git a/dts/arm/microchip/mec1501hsz.dtsi b/dts/arm/microchip/mec1501hsz.dtsi
index 7162d2c577..2d7b56dc93 100644
--- a/dts/arm/microchip/mec1501hsz.dtsi
+++ b/dts/arm/microchip/mec1501hsz.dtsi
@@ -5,6 +5,7 @@
  */
 
 #include <arm/armv7-m.dtsi>
+#include <dt-bindings/i2c/i2c.h>
 
 / {
 	cpus {
@@ -52,6 +53,36 @@
 			label = "UART_2";
 			reg-shift = <0>;
 		};
+		i2c0: i2c@40004000 {
+			compatible = "microchip,xec-i2c";
+			reg = <0x40004000 0x80>;
+			clock-frequency = <I2C_BITRATE_STANDARD>;
+			label = "I2C_0";
+		};
+		i2c1: i2c@40004400 {
+			compatible = "microchip,xec-i2c";
+			reg = <0x40004400 0x80>;
+			clock-frequency = <I2C_BITRATE_STANDARD>;
+			label = "I2C_1";
+		};
+		i2c2: i2c@40004800 {
+			compatible = "microchip,xec-i2c";
+			reg = <0x40004800 0x80>;
+			clock-frequency = <I2C_BITRATE_STANDARD>;
+			label = "I2C_2";
+		};
+		i2c3: i2c@40004c00 {
+			compatible = "microchip,xec-i2c";
+			reg = <0x40004C00 0x80>;
+			clock-frequency = <I2C_BITRATE_STANDARD>;
+			label = "I2C_3";
+		};
+		i2c4: i2c@40005000 {
+			compatible = "microchip,xec-i2c";
+			reg = <0x40005000 0x80>;
+			clock-frequency = <I2C_BITRATE_STANDARD>;
+			label = "I2C_4";
+		};
 	};
 };
 
diff --git a/dts/bindings/i2c/microchip,xec-i2c.yaml b/dts/bindings/i2c/microchip,xec-i2c.yaml
new file mode 100644
index 0000000000..da20d5d94a
--- /dev/null
+++ b/dts/bindings/i2c/microchip,xec-i2c.yaml
@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2019 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+---
+title: MICROCHIP I2C
+version: 0.1
+
+description: >
+    This binding gives a base representation for I2C/SMB controller for Microchip
+
+inherits:
+    !include i2c.yaml
+
+properties:
+    compatible:
+      type: string
+      category: required
+      description: compatible strings
+      constraint: "microchip,xec-i2c"
+      generation: define
+
+    reg:
+      type: int
+      description: mmio register space
+      generation: define
+      category: required
+
+    port_sel:
+      type: int
+      description: soc block mapping to pin
+      generation: define
+      category: define
+
+...