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This pull request has a patch to switch DA850 EVM GPIO LED support to use

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GPIO lookup table
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Merge tag 'davinci-for-v5.3/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/soc

This pull request has a patch to switch DA850 EVM GPIO LED support to use
GPIO lookup table

* tag 'davinci-for-v5.3/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: Use GPIO lookup table for DA850 LEDs

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2019-06-25 05:46:44 -07:00
commit 9060463be5
1 changed files with 22 additions and 21 deletions
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43
arch/arm/mach-davinci/board-da850-evm.c
View File

@ -631,13 +631,12 @@ static void da850_evm_bb_keys_init(unsigned gpio)
}
}
#define DA850_N_BB_USER_LED 2
static struct gpio_led da850_evm_bb_leds[] = {
[0 ... DA850_N_BB_USER_LED - 1] = {
.active_low = 1,
.gpio = -1, /* assigned at runtime */
.name = NULL, /* assigned at runtime */
{
.name = "user_led2",
},
{
.name = "user_led1",
},
};
@ -646,6 +645,20 @@ static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
.num_leds = ARRAY_SIZE(da850_evm_bb_leds),
};
static struct gpiod_lookup_table da850_evm_bb_leds_gpio_table = {
.dev_id = "leds-gpio",
.table = {
GPIO_LOOKUP_IDX("i2c-bb-expander",
DA850_EVM_BB_EXP_USER_LED2, NULL,
0, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("i2c-bb-expander",
DA850_EVM_BB_EXP_USER_LED2 + 1, NULL,
1, GPIO_ACTIVE_LOW),
{ },
},
};
static struct platform_device da850_evm_bb_leds_device = {
.name = "leds-gpio",
.id = -1,
@ -654,20 +667,6 @@ static struct platform_device da850_evm_bb_leds_device = {
}
};
static void da850_evm_bb_leds_init(unsigned gpio)
{
int i;
struct gpio_led *led;
for (i = 0; i < DA850_N_BB_USER_LED; i++) {
led = &da850_evm_bb_leds[i];
led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
led->name =
da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
}
}
static int da850_evm_bb_expander_setup(struct i2c_client *client,
unsigned gpio, unsigned ngpio,
void *c)
@ -685,7 +684,7 @@ static int da850_evm_bb_expander_setup(struct i2c_client *client,
goto io_exp_setup_sw_fail;
}
da850_evm_bb_leds_init(gpio);
gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table);
ret = platform_device_register(&da850_evm_bb_leds_device);
if (ret) {
pr_warn("Could not register baseboard GPIO expander LEDs");
@ -729,10 +728,12 @@ static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
},
{
I2C_BOARD_INFO("tca6416", 0x20),
.dev_name = "ui-expander",
.platform_data = &da850_evm_ui_expander_info,
},
{
I2C_BOARD_INFO("tca6416", 0x21),
.dev_name = "bb-expander",
.platform_data = &da850_evm_bb_expander_info,
},
};