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Commit 39eabec1 authored by Thomas Petazzoni's avatar Thomas Petazzoni Committed by Jason Cooper
Browse files

ARM: orion5x: use DT to describe I2C devices on edmini_v2 



This commit converts the already partially DT-converted edmini_v2
platform to use the Device Tree for I2C bus and devices.

Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/1398202002-28530-30-git-send-email-thomas.petazzoni@free-electrons.com


Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent 43be7e02

arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts

+14 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 


#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>

#include <dt-bindings/interrupt-controller/irq.h>

#include "orion5x-mv88f5182.dtsi"



/ {
@@ -63,6 +64,19 @@ 
	};

};



&i2c {

	status = "okay";

	clock-frequency = <100000>;

	#address-cells = <1>;



	rtc@32 {

		compatible = "ricoh,rs5c372a";

		reg = <0x32>;

		interrupt-parent = <&gpio0>;

		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;

	};

};



&mdio {

	status = "okay";

arch/arm/mach-orion5x/edmini_v2-setup.c

+0 −24
Original line number Diff line number Diff line
@@ -95,17 +95,6 @@ static struct platform_device edmini_v2_nor_flash = { 
	.resource		= &edmini_v2_nor_flash_resource,

};



/*****************************************************************************

 * RTC 5C372a on I2C bus

 ****************************************************************************/



#define EDMINIV2_RTC_GPIO	3



static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {

	I2C_BOARD_INFO("rs5c372a", 0x32),

	.irq = 0,

};



/*****************************************************************************

 * General Setup

 ****************************************************************************/
@@ -125,17 +114,4 @@ void __init edmini_v2_init(void) 


	pr_notice("edmini_v2: USB device port, flash write and power-off "

		  "are not yet supported.\n");



	/* Get RTC IRQ and register the chip */

	if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) {

		if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0)

			edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO);

		else

			gpio_free(EDMINIV2_RTC_GPIO);

	}



	if (edmini_v2_i2c_rtc.irq == 0)

		pr_warning("edmini_v2: failed to get RTC IRQ\n");



	i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);

}