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authorOlof Johansson <olof@lixom.net>2019-06-25 05:46:44 -0700
committerOlof Johansson <olof@lixom.net>2019-06-25 05:46:44 -0700
commit9060463be50961387246a5cf092b6befd9da5ac6 (patch)
treefa4f2e497130de0575695e78be9571616401c2f7 /arch/arm/mach-davinci
parentb8ad2985c6ea04fc64d49fcf87c08fcd03c25895 (diff)
parent1f8e44b622dc9d47af1815ac59169b1adaa1195d (diff)
downloadlinux-9060463be50961387246a5cf092b6befd9da5ac6.tar.bz2
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>
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c43
1 files changed, 22 insertions, 21 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 4ee65a8a3b80..acf3013f4ae5 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -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,
},
};