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sh: sh7785lcr: add GPIO lookup table for i2c controller reset 

Define the GPIO connected to the PCA9564 using a GPIO lookup table. This
will allow the i2c-pca-platform driver to use the device managed APIs to
lookup the gpio instead of using platform_data.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Chris Packham 2017-07-05 22:13:55 +12:00 committed by Wolfram Sang
parent 7545c7dba1
commit df0d32348a
1 changed files with 10 additions and 0 deletions
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10
arch/sh/boards/board-sh7785lcr.c
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@ -25,6 +25,7 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/errno.h>
#include <linux/gpio/machine.h>
#include <mach/sh7785lcr.h>
#include <cpu/sh7785.h>
#include <asm/heartbeat.h>
@ -243,6 +244,14 @@ static struct resource i2c_resources[] = {
},
};
static struct gpiod_lookup_table i2c_gpio_table = {
.dev_id = "i2c.0",
.table = {
GPIO_LOOKUP("pfc-sh7757", 0, "reset-gpios", GPIO_ACTIVE_LOW),
{ },
},
};
static struct i2c_pca9564_pf_platform_data i2c_platform_data = {
.gpio = 0,
.i2c_clock_speed = I2C_PCA_CON_330kHz,
@ -283,6 +292,7 @@ static int __init sh7785lcr_devices_setup(void)
i2c_device.num_resources = ARRAY_SIZE(i2c_proto_resources);
}
gpiod_add_lookup_table(&i2c_gpio_table);
return platform_add_devices(sh7785lcr_devices,
ARRAY_SIZE(sh7785lcr_devices));
}