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| author | Walter Lozano <walter.lozano@collabora.com> | 2020-07-29 12:31:18 -0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2020-08-02 14:50:29 +0200 |
| commit | a2845c9eebb61f840397380a209981d9ab709d1a (patch) | |
| tree | 4f109e12331f4dc471c48c1068ec8f49e1164df2 /drivers/gpio | |
| parent | 23721778647775df398ae1055364c7a881e62263 (diff) | |
| download | u-boot-a2845c9eebb61f840397380a209981d9ab709d1a.zip u-boot-a2845c9eebb61f840397380a209981d9ab709d1a.tar.gz u-boot-a2845c9eebb61f840397380a209981d9ab709d1a.tar.bz2 | |
gpio: mxc_gpio: add OF_PLATDATA support
Continuing with the OF_PLATADATA support for iMX6 to reduce SPL
footprint, add it to mxc_gpio. Thanks to this, it will be possible to
enable card detection on MMC driver.
Signed-off-by: Walter Lozano <walter.lozano@collabora.com>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/mxc_gpio.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c index 90d36fb..fc7d296 100644 --- a/drivers/gpio/mxc_gpio.c +++ b/drivers/gpio/mxc_gpio.c @@ -13,6 +13,8 @@ #include <asm/arch/imx-regs.h> #include <asm/gpio.h> #include <asm/io.h> +#include <dt-structs.h> +#include <mapmem.h> enum mxc_gpio_direction { MXC_GPIO_DIRECTION_IN, @@ -22,6 +24,10 @@ enum mxc_gpio_direction { #define GPIO_PER_BANK 32 struct mxc_gpio_plat { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + /* Put this first since driver model will copy the data here */ + struct dtd_gpio_mxc dtplat; +#endif int bank_index; struct gpio_regs *regs; }; @@ -280,6 +286,12 @@ static int mxc_gpio_probe(struct udevice *dev) int banknum; char name[18], *str; +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_gpio_mxc *dtplat = &plat->dtplat; + + plat->regs = map_sysmem(dtplat->reg[0], dtplat->reg[1]); +#endif + banknum = plat->bank_index; if (IS_ENABLED(CONFIG_ARCH_IMX8)) sprintf(name, "GPIO%d_", banknum); @@ -297,14 +309,15 @@ static int mxc_gpio_probe(struct udevice *dev) static int mxc_gpio_ofdata_to_platdata(struct udevice *dev) { - fdt_addr_t addr; struct mxc_gpio_plat *plat = dev_get_platdata(dev); + if (!CONFIG_IS_ENABLED(OF_PLATDATA)) { + fdt_addr_t addr; + addr = devfdt_get_addr(dev); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; - addr = devfdt_get_addr(dev); - if (addr == FDT_ADDR_T_NONE) - return -EINVAL; - - plat->regs = (struct gpio_regs *)addr; + plat->regs = (struct gpio_regs *)addr; + } plat->bank_index = dev->req_seq; return 0; @@ -332,6 +345,8 @@ U_BOOT_DRIVER(gpio_mxc) = { .bind = mxc_gpio_bind, }; +U_BOOT_DRIVER_ALIAS(gpio_mxc, fsl_imx6q_gpio) + #if !CONFIG_IS_ENABLED(OF_CONTROL) static const struct mxc_gpio_plat mxc_plat[] = { { 0, (struct gpio_regs *)GPIO1_BASE_ADDR }, |