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imx: Rewrite display5 get_board_id() function to use dm_gpio_* API

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The get_board_id() function was using the old gpio_* compatibility layer
to read HW and SW ID numbers encoded on the PCB board.

After this change the new dm_gpio* API is used for this purpose.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Lukasz Majewski 2019-09-03 16:38:50 +02:00 committed by Stefano Babic
parent feeff1567f
commit 45aac6dd7a
1 changed files with 21 additions and 32 deletions
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53
board/liebherr/display5/display5.c
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@ -36,60 +36,49 @@ static bool sw_ids_valid;
static u32 cpu_id;
static u32 unit_id;
#define SW0 IMX_GPIO_NR(2, 4)
#define SW1 IMX_GPIO_NR(2, 5)
#define SW2 IMX_GPIO_NR(2, 6)
#define SW3 IMX_GPIO_NR(2, 7)
#define HW0 IMX_GPIO_NR(6, 7)
#define HW1 IMX_GPIO_NR(6, 9)
#define HW2 IMX_GPIO_NR(6, 10)
#define HW3 IMX_GPIO_NR(6, 11)
#define HW4 IMX_GPIO_NR(4, 7)
#define HW5 IMX_GPIO_NR(4, 11)
#define HW6 IMX_GPIO_NR(4, 13)
#define HW7 IMX_GPIO_NR(4, 15)
int gpio_table_sw_ids[] = {
SW0, SW1, SW2, SW3
const char *gpio_table_sw_names[] = {
"GPIO2_4", "GPIO2_5", "GPIO2_6", "GPIO2_7"
};
const char *gpio_table_sw_ids_names[] = {
"sw0", "sw1", "sw2", "sw3"
};
int gpio_table_hw_ids[] = {
HW0, HW1, HW2, HW3, HW4, HW5, HW6, HW7
const char *gpio_table_hw_names[] = {
"GPIO6_7", "GPIO6_9", "GPIO6_10", "GPIO6_11",
"GPIO4_7", "GPIO4_11", "GPIO4_13", "GPIO4_15"
};
const char *gpio_table_hw_ids_names[] = {
"hw0", "hw1", "hw2", "hw3", "hw4", "hw5", "hw6", "hw7"
};
static int get_board_id(int *ids, const char **c, int size,
bool *valid, u32 *id)
static int get_board_id(const char **pin_names, const char **ids_names,
int size, bool *valid, u32 *id)
{
struct gpio_desc desc;
int i, ret, val;
*valid = false;
for (i = 0; i < size; i++) {
ret = gpio_request(ids[i], c[i]);
memset(&desc, 0, sizeof(desc));
ret = dm_gpio_lookup_name(pin_names[i], &desc);
if (ret) {
printf("Can't request SWx gpios\n");
printf("Can't lookup request SWx gpios\n");
return ret;
}
}
for (i = 0; i < size; i++) {
ret = gpio_direction_input(ids[i]);
ret = dm_gpio_request(&desc, ids_names[i]);
if (ret) {
printf("Can't set SWx gpios direction\n");
printf("Can't lookup request SWx gpios\n");
return ret;
}
}
for (i = 0; i < size; i++) {
val = gpio_get_value(ids[i]);
dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN);
val = dm_gpio_get_value(&desc);
if (val < 0) {
printf("Can't get SW%d ID\n", i);
*id = 0;
@ -176,12 +165,12 @@ int board_init(void)
/* Setup misc (application specific) stuff */
SETUP_IOMUX_PADS(misc_pads);
get_board_id(gpio_table_sw_ids, &gpio_table_sw_ids_names[0],
ARRAY_SIZE(gpio_table_sw_ids), &sw_ids_valid, &unit_id);
get_board_id(gpio_table_sw_names, &gpio_table_sw_ids_names[0],
ARRAY_SIZE(gpio_table_sw_names), &sw_ids_valid, &unit_id);
debug("SWx unit_id 0x%x\n", unit_id);
get_board_id(gpio_table_hw_ids, &gpio_table_hw_ids_names[0],
ARRAY_SIZE(gpio_table_hw_ids), &hw_ids_valid, &cpu_id);
get_board_id(gpio_table_hw_names, &gpio_table_hw_ids_names[0],
ARRAY_SIZE(gpio_table_hw_names), &hw_ids_valid, &cpu_id);
debug("HWx cpu_id 0x%x\n", cpu_id);
if (hw_ids_valid && sw_ids_valid)