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stm32l: fix ACOK signal

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The PMIC_ACOK signal is active-low.
Let's drive it correctly.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BUG=None
TEST=On ADV board, check that a short key press on the power button is
now able to start the board

Change-Id: Iea71939aeb532618019a9e7774721703c632976f
This commit is contained in:
Vincent Palatin
2012-02-23 08:58:57 -08:00
parent c977d241b3
commit 64e6afdefa
3 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
board/adv/board.c
View File

@@ -34,7 +34,7 @@ const struct gpio_info gpio_list[GPIO_COUNT] = {
{"EN_PP1350", GPIO_A, (1<<9), GPIO_OUT_LOW, NULL},
{"EN_PP5000", GPIO_A, (1<<10), GPIO_OUT_LOW, NULL},
{"EN_PP3300", GPIO_A, (1<<8), GPIO_OUT_LOW, NULL},
{"PMIC_ACOK", GPIO_A, (1<<12), GPIO_OUT_LOW, NULL},
{"PMIC_ACOK", GPIO_A, (1<<12), GPIO_OUT_HIGH, NULL},
{"ENTERING_RW", GPIO_B, (1<<1), GPIO_OUT_LOW, NULL},
{"CHARGER_EN", GPIO_B, (1<<2), GPIO_OUT_LOW, NULL},
{"EC_INT", GPIO_B, (1<<9), GPIO_OUT_LOW, NULL},

2
board/daisy/board.c
View File

@@ -34,7 +34,7 @@ const struct gpio_info gpio_list[GPIO_COUNT] = {
{"EN_PP1350", GPIO_A, (1<<2), GPIO_OUT_LOW, NULL},
{"EN_PP5000", GPIO_A, (1<<3), GPIO_OUT_LOW, NULL},
{"EN_PP3300", GPIO_A, (1<<8), GPIO_OUT_LOW, NULL},
{"PMIC_ACOK", GPIO_A, (1<<12), GPIO_OUT_LOW, NULL},
{"PMIC_ACOK", GPIO_A, (1<<12), GPIO_OUT_HIGH, NULL},
{"ENTERING_RW", GPIO_B, (1<<1), GPIO_OUT_LOW, NULL},
{"CHARGER_EN", GPIO_B, (1<<2), GPIO_OUT_LOW, NULL},
{"EC_INT", GPIO_B, (1<<9), GPIO_OUT_LOW, NULL},

4
common/gaia_power.c
View File

@@ -133,7 +133,7 @@ void gaia_power_task(void)
usleep(DELAY_5V_SETUP);
/* Startup PMIC */
gpio_set_level(GPIO_PMIC_ACOK, 1);
gpio_set_level(GPIO_PMIC_ACOK, 0);
/* wait for all PMIC regulators to be ready */
wait_in_signal(GPIO_PP1800_LDO2, 1, PMIC_TIMEOUT);
@@ -149,7 +149,7 @@ void gaia_power_task(void)
*/
wait_in_signal(GPIO_SOC1V8_XPSHOLD, 1, FAIL_TIMEOUT);
/* release PMIC startup signal */
gpio_set_level(GPIO_PMIC_ACOK, 0);
gpio_set_level(GPIO_PMIC_ACOK, 1);
/* Power ON state */
ap_on = 1;