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i2c: cbus-gpio: Switch to use GPIO descriptors

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This augments the CBUS GPIO I2C driver to use GPIO
descriptors for clock, sel and data. We drop the platform
data that was only used for carrying GPIO numbers and
use machine descriptor tables instead.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Linus Walleij
2019-02-06 08:16:51 +01:00
committed by Wolfram Sang
parent d0051ca584
commit 2e5a662de3
3 changed files with 40 additions and 85 deletions
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18
arch/arm/mach-omap1/board-nokia770.c
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@@ -10,6 +10,7 @@
#include <linux/clkdev.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mutex.h>
@@ -25,7 +26,6 @@
#include <linux/platform_data/keypad-omap.h>
#include <linux/platform_data/lcd-mipid.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/platform_data/i2c-cbus-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -217,18 +217,19 @@ static inline void nokia770_mmc_init(void)
#endif
#if IS_ENABLED(CONFIG_I2C_CBUS_GPIO)
static struct i2c_cbus_platform_data nokia770_cbus_data = {
.clk_gpio = OMAP_MPUIO(9),
.dat_gpio = OMAP_MPUIO(10),
.sel_gpio = OMAP_MPUIO(11),
static struct gpiod_lookup_table nokia770_cbus_gpio_table = {
.dev_id = "i2c-cbus-gpio.2",
.table = {
GPIO_LOOKUP_IDX("mpuio", 9, NULL, 0, 0), /* clk */
GPIO_LOOKUP_IDX("mpuio", 10, NULL, 1, 0), /* dat */
GPIO_LOOKUP_IDX("mpuio", 11, NULL, 2, 0), /* sel */
{ },
},
};
static struct platform_device nokia770_cbus_device = {
.name = "i2c-cbus-gpio",
.id = 2,
.dev = {
.platform_data = &nokia770_cbus_data,
},
};
static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
@@ -257,6 +258,7 @@ static void __init nokia770_cbus_init(void)
nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
i2c_register_board_info(2, nokia770_i2c_board_info_2,
ARRAY_SIZE(nokia770_i2c_board_info_2));
gpiod_add_lookup_table(&nokia770_cbus_gpio_table);
platform_device_register(&nokia770_cbus_device);
}
#else /* CONFIG_I2C_CBUS_GPIO */