imx6: aristainetos: convert gpio pins to DM and DTS

Enable DM_GPIO, GPIO_HOG, LED and LED_GPIO as gpio
and LEDs are now defined in DTS. Enable also here
the pinctrl driver, so pinmux setup is also done.

Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Heiko Schocher 2019-12-01 11:23:15 +01:00 committed by Stefano Babic
parent 8664c485d9
commit fc7e3cc639
2 changed files with 61 additions and 81 deletions

View File

@ -38,6 +38,7 @@
#if defined(CONFIG_VIDEO_BMP_LOGO)
#include <bmp_logo.h>
#endif
#include <led.h>
DECLARE_GLOBAL_DATA_PTR;
@ -67,9 +68,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define ECSPI1_CS1 IMX_GPIO_NR(4, 10)
#endif
#define SOFT_RESET_GPIO IMX_GPIO_NR(7, 13)
#define SD2_DRIVER_ENABLE IMX_GPIO_NR(7, 8)
enum {
BOARD_TYPE_4 = 4,
BOARD_TYPE_7 = 7,
@ -104,43 +102,6 @@ struct i2c_pads_info i2c_pad_info4 = {
}
};
iomux_v3_cfg_t const gpio_pads[] = {
/* LED enable*/
MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* LED yellow */
MX6_PAD_NANDF_CS3__GPIO6_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* LED red */
#if (CONFIG_SYS_BOARD_VERSION == 2)
MX6_PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
#elif (CONFIG_SYS_BOARD_VERSION == 3)
MX6_PAD_EIM_WAIT__GPIO5_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
#endif
/* LED green */
MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* LED blue */
MX6_PAD_EIM_EB1__GPIO2_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* spi flash WP protect */
MX6_PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* spi CS 0 */
MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* spi bus #2 SS driver enable */
MX6_PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* RST_LOC# PHY reset input (has pull-down!)*/
MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* SD 2 level shifter output enable */
MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* SD1 card detect input */
MX6_PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* SD1 write protect input */
MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* SD2 card detect input */
MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* SD2 write protect input */
MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* Touchscreen IRQ */
MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const misc_pads[] = {
/* USB_OTG_ID = GPIO1_24*/
MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
@ -265,12 +226,16 @@ static void setup_spi(void)
for (i = 0; i < 4; i++)
enable_spi_clk(true, i);
gpio_request(ECSPI1_CS0, "spi1_cs0");
gpio_direction_output(ECSPI1_CS0, 1);
#if (CONFIG_SYS_BOARD_VERSION == 2)
gpio_request(ECSPI4_CS1, "spi4_cs1");
gpio_direction_output(ECSPI4_CS1, 0);
/* set cs0 to high (second device on spi bus #4) */
gpio_request(ECSPI4_CS0, "spi4_cs0");
gpio_direction_output(ECSPI4_CS0, 1);
#elif (CONFIG_SYS_BOARD_VERSION == 3)
gpio_request(ECSPI1_CS1, "spi1_cs1");
gpio_direction_output(ECSPI1_CS1, 1);
#endif
}
@ -359,9 +324,13 @@ static void enable_display_power(void)
ARRAY_SIZE(backlight_pads));
/* backlight enable */
gpio_request(IMX_GPIO_NR(6, 31), "backlight");
gpio_direction_output(IMX_GPIO_NR(6, 31), 1);
gpio_free(IMX_GPIO_NR(6, 31));
/* LCD power enable */
gpio_request(IMX_GPIO_NR(6, 15), "LCD_power_enable");
gpio_direction_output(IMX_GPIO_NR(6, 15), 1);
gpio_free(IMX_GPIO_NR(6, 15));
/* enable backlight PWM 1 */
if (pwm_init(0, 0, 0))
@ -547,11 +516,6 @@ static void setup_display(void)
enable_display_power();
}
static void setup_iomux_gpio(void)
{
imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
}
static void set_gpr_register(void)
{
struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
@ -570,10 +534,6 @@ static void set_gpr_register(void)
extern char __bss_start[], __bss_end[];
int board_early_init_f(void)
{
setup_iomux_gpio();
gpio_direction_output(SOFT_RESET_GPIO, 1);
gpio_direction_output(SD2_DRIVER_ENABLE, 1);
setup_display();
set_gpr_register();
@ -593,37 +553,30 @@ static void setup_i2c4(void)
&i2c_pad_info4);
}
static void setup_one_led(char *label, int state)
{
struct udevice *dev;
int ret;
ret = led_get_by_label(label, &dev);
if (ret == 0)
led_set_state(dev, state);
}
static void setup_board_gpio(void)
{
/* enable all LEDs */
gpio_request(IMX_GPIO_NR(2, 13), "LED ena"); /* 25 */
gpio_direction_output(IMX_GPIO_NR(1, 25), 0);
setup_one_led("led_ena", LEDST_ON);
/* switch off Status LEDs */
#if (CONFIG_SYS_BOARD_VERSION == 2)
gpio_request(IMX_GPIO_NR(6, 16), "LED yellow"); /* 176 */
gpio_direction_output(IMX_GPIO_NR(6, 16), 1);
gpio_request(IMX_GPIO_NR(2, 28), "LED red"); /* 60 */
gpio_direction_output(IMX_GPIO_NR(2, 28), 1);
gpio_request(IMX_GPIO_NR(5, 4), "LED green"); /* 132 */
gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
gpio_request(IMX_GPIO_NR(2, 29), "LED blue"); /* 61 */
gpio_direction_output(IMX_GPIO_NR(2, 29), 1);
#elif (CONFIG_SYS_BOARD_VERSION == 3)
gpio_request(IMX_GPIO_NR(6, 16), "LED yellow"); /* 176 */
gpio_direction_output(IMX_GPIO_NR(6, 16), 0);
gpio_request(IMX_GPIO_NR(5, 0), "LED red"); /* 128 */
gpio_direction_output(IMX_GPIO_NR(5, 0), 0);
gpio_request(IMX_GPIO_NR(5, 4), "LED green"); /* 132 */
gpio_direction_output(IMX_GPIO_NR(5, 4), 0);
gpio_request(IMX_GPIO_NR(2, 29), "LED blue"); /* 61 */
gpio_direction_output(IMX_GPIO_NR(2, 29), 0);
#endif
setup_one_led("led_yellow", LEDST_OFF);
setup_one_led("led_red", LEDST_OFF);
setup_one_led("led_green", LEDST_OFF);
setup_one_led("led_blue", LEDST_OFF);
}
static void setup_board_spi(void)
{
/* enable spi bus #2 SS drivers (and spi bus #4 SS1 for rev2b) */
gpio_request(IMX_GPIO_NR(6, 6), "spi_ena");
gpio_direction_output(IMX_GPIO_NR(6, 6), 1);
}
@ -632,20 +585,23 @@ int board_late_init(void)
char *my_bootdelay;
char bootmode = 0;
char const *panel = env_get("panel");
struct gpio_desc *desc;
int ret;
led_default_state();
/*
* Check the boot-source. If booting from NOR Flash,
* disable bootdelay
*/
gpio_request(IMX_GPIO_NR(7, 6), "bootsel0");
gpio_direction_input(IMX_GPIO_NR(7, 6));
gpio_request(IMX_GPIO_NR(7, 7), "bootsel1");
gpio_direction_input(IMX_GPIO_NR(7, 7));
gpio_request(IMX_GPIO_NR(7, 1), "bootsel2");
gpio_direction_input(IMX_GPIO_NR(7, 1));
bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 6)) ? 1 : 0) << 0;
bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 7)) ? 1 : 0) << 1;
bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 1)) ? 1 : 0) << 2;
desc = gpio_hog_lookup_name("bootsel0");
if (desc)
bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 0;
desc = gpio_hog_lookup_name("bootsel1");
if (desc)
bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 1;
desc = gpio_hog_lookup_name("bootsel2");
if (desc)
bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 2;
if (bootmode == 7) {
my_bootdelay = env_get("nor_bootdelay");
@ -655,6 +611,22 @@ int board_late_init(void)
env_set("bootdelay", "-2");
}
/* read out some jumper values*/
ret = gpio_hog_lookup_name("env_reset", &desc);
if (!ret) {
if (dm_gpio_get_value(desc)) {
printf("\nClear env (set back to defaults)\n");
run_command("run default_env; saveenv; saveenv", 0);
}
}
ret = gpio_hog_lookup_name("boot_rescue", &desc);
if (!ret) {
if (dm_gpio_get_value(desc)) {
aristainetos_run_rescue_command(16);
run_command("run rescue_xload_boot", 0);
}
}
/* if we have the lg panel, we can initialze it now */
if (panel)
if (!strcmp(panel, displays[1].mode.name))

View File

@ -28,6 +28,7 @@ CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
CONFIG_CMD_NAND_TRIMFFS=y
# CONFIG_CMD_PINMUX is not set
# CONFIG_CMD_SATA is not set
CONFIG_CMD_USB=y
CONFIG_CMD_DHCP=y
@ -53,6 +54,11 @@ CONFIG_ENV_SPI_EARLY=y
CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
CONFIG_ENV_OFFSET_REDUND=0xE0000
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_DM_GPIO=y
CONFIG_GPIO_HOG=y
CONFIG_DM_PCA953X=y
CONFIG_LED=y
CONFIG_LED_GPIO=y
CONFIG_DM_MMC=y
CONFIG_FSL_USDHC=y
CONFIG_MTD=y
@ -70,6 +76,8 @@ CONFIG_PHYLIB=y
CONFIG_PHY_MICREL=y
CONFIG_PHY_MICREL_KSZ90X1=y
CONFIG_MII=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y
CONFIG_PWM_IMX=y
CONFIG_DM_SERIAL=y
CONFIG_SPI=y