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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: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian 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: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Thomas Petazzoni 2014-04-22 23:26:33 +02:00 committed by Jason Cooper
parent 43be7e02f6
commit 39eabec14c
2 changed files with 14 additions and 24 deletions
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14
arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts
View File

@ -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";

24
arch/arm/mach-orion5x/edmini_v2-setup.c
View File

@ -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);
}