kernel/0002-dts-beaglebone-Add-I2C-definitions-for-EEPROMs-capes.patch

From e3c9bd680440e6216a86184687968a3939c06160 Mon Sep 17 00:00:00 2001
From: Pantelis Antoniou <panto@antoniou-consulting.com>
Date: Fri, 28 Jun 2013 18:39:55 +0300
Subject: [PATCH 2/4] dts: beaglebone: Add I2C definitions for EEPROMs & capes

Add the I2C definitions for the EEPROM devices on the baseboard
and on the possibly connected capes.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
---
 arch/arm/boot/dts/am335x-bone.dts      | 44 ++++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/am335x-boneblack.dts | 44 ++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index b8debea..15c9643 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts
@@ -110,6 +110,18 @@
 				0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 			>;
 		};
+		i2c0_pins: pinmux_i2c0_pins {
+			pinctrl-single,pins = <
+				0x188 0x70 	/* i2c0_sda, SLEWCTRL_SLOW | INPUT_PULLUP | MODE0 */
+				0x18c 0x70	/* i2c0_scl, SLEWCTRL_SLOW | INPUT_PULLUP | MODE0 */
+			>;
+		};
+		i2c2_pins: pinmux_i2c2_pins {
+			pinctrl-single,pins = <
+				0x178 0x73 	/* uart1_ctsn.i2c2_sda, SLEWCTRL_SLOW | INPUT_PULLUP | MODE3 */
+				0x17c 0x73	/* uart1_rtsn.i2c2_scl, SLEWCTRL_SLOW | INPUT_PULLUP | MODE3 */
+			>;
+		};
 	};
 
 	ocp {
@@ -131,7 +143,39 @@
 				reg = <0x24>;
 			};
 
+			baseboard_eeprom: baseboard_eeprom@50 {
+				compatible = "at,24c256";
+				reg = <0x50>;
+			};
 		};
+
+		i2c2: i2c@4819c000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pins>;
+			status = "okay";
+			clock-frequency = <100000>;
+
+			cape_eeprom0: cape_eeprom0@54 {
+				compatible = "at,24c256";
+				reg = <0x54>;
+			};
+
+			cape_eeprom1: cape_eeprom1@55 {
+				compatible = "at,24c256";
+				reg = <0x55>;
+			};
+
+			cape_eeprom2: cape_eeprom2@56 {
+				compatible = "at,24c256";
+				reg = <0x56>;
+			};
+
+			cape_eeprom3: cape_eeprom3@57 {
+				compatible = "at,24c256";
+				reg = <0x57>;
+			};
+		};
+
 	};
 
 	leds {
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index 75a924d..9e453b6 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -140,6 +140,19 @@
 				0x50 (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* gpmc_a4.gpio1_20 */
 			>;
 		};
+
+		i2c0_pins: pinmux_i2c0_pins {
+			pinctrl-single,pins = <
+				0x188 0x70 	/* i2c0_sda, SLEWCTRL_SLOW | INPUT_PULLUP | MODE0 */
+				0x18c 0x70	/* i2c0_scl, SLEWCTRL_SLOW | INPUT_PULLUP | MODE0 */
+			>;
+		};
+		i2c2_pins: pinmux_i2c2_pins {
+			pinctrl-single,pins = <
+				0x178 0x73 	/* uart1_ctsn.i2c2_sda, SLEWCTRL_SLOW | INPUT_PULLUP | MODE3 */
+				0x17c 0x73	/* uart1_rtsn.i2c2_scl, SLEWCTRL_SLOW | INPUT_PULLUP | MODE3 */
+			>;
+		};
 	};
 
 	ocp {
@@ -161,6 +174,37 @@
 				reg = <0x24>;
 			};
 
+			baseboard_eeprom: baseboard_eeprom@50 {
+				compatible = "at,24c256";
+				reg = <0x50>;
+			};
+		};
+
+		i2c2: i2c@4819c000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pins>;
+			status = "okay";
+			clock-frequency = <100000>;
+
+			cape_eeprom0: cape_eeprom0@54 {
+				compatible = "at,24c256";
+				reg = <0x54>;
+			};
+
+			cape_eeprom1: cape_eeprom1@55 {
+				compatible = "at,24c256";
+				reg = <0x55>;
+			};
+
+			cape_eeprom2: cape_eeprom2@56 {
+				compatible = "at,24c256";
+				reg = <0x56>;
+			};
+
+			cape_eeprom3: cape_eeprom3@57 {
+				compatible = "at,24c256";
+				reg = <0x57>;
+			};
 		};
 	};
 
-- 
1.8.2.1