diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/Makefile | 4 | ||||
| -rw-r--r-- | drivers/gpio/tegra_gpio.c | 27 |
2 files changed, 15 insertions, 16 deletions
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index aa11f15423..fe9a3b2396 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -8,6 +8,10 @@ ifndef CONFIG_SPL_BUILD obj-$(CONFIG_DM_GPIO) += gpio-uclass.o endif +/* TODO(sjg@chromium.org): Only tegra supports driver model in SPL */ +ifdef CONFIG_TEGRA_GPIO +obj-$(CONFIG_DM_GPIO) += gpio-uclass.o +endif obj-$(CONFIG_AT91_GPIO) += at91_gpio.o obj-$(CONFIG_INTEL_ICH6_GPIO) += intel_ich6_gpio.o diff --git a/drivers/gpio/tegra_gpio.c b/drivers/gpio/tegra_gpio.c index 43928b8812..f870cdbddf 100644 --- a/drivers/gpio/tegra_gpio.c +++ b/drivers/gpio/tegra_gpio.c @@ -132,21 +132,6 @@ static void set_level(unsigned gpio, int high) writel(u, &bank->gpio_out[GPIO_PORT(gpio)]); } -/* set GPIO pin 'gpio' as an output, with polarity 'value' */ -int tegra_spl_gpio_direction_output(int gpio, int value) -{ - /* Configure as a GPIO */ - set_config(gpio, 1); - - /* Configure GPIO output value. */ - set_level(gpio, value); - - /* Configure GPIO direction as output. */ - set_direction(gpio, 1); - - return 0; -} - /* * Generic_GPIO primitives. */ @@ -338,12 +323,19 @@ static int gpio_tegra_bind(struct udevice *parent) int bank_count; int bank; int ret; - int len; /* If this is a child device, there is nothing to do here */ if (plat) return 0; + /* TODO(sjg@chromium.org): Remove once SPL supports device tree */ +#ifdef CONFIG_SPL_BUILD + ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE; + bank_count = TEGRA_GPIO_BANKS; +#else + { + int len; + /* * This driver does not make use of interrupts, other than to figure * out the number of GPIO banks @@ -353,6 +345,8 @@ static int gpio_tegra_bind(struct udevice *parent) bank_count = len / 3 / sizeof(u32); ctlr = (struct gpio_ctlr *)fdtdec_get_addr(gd->fdt_blob, parent->of_offset, "reg"); + } +#endif for (bank = 0; bank < bank_count; bank++) { int port; @@ -388,4 +382,5 @@ U_BOOT_DRIVER(gpio_tegra) = { .probe = gpio_tegra_probe, .priv_auto_alloc_size = sizeof(struct tegra_port_info), .ops = &gpio_tegra_ops, + .flags = DM_FLAG_PRE_RELOC, }; |
