brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-09-27 23:20:26 +09:00
Code Issues Projects Releases Wiki Activity

arm64: a37xx: pci: Depends on DM_GPIO

Browse Source 
For proper initialization of aardvark pci driver it is required to
de-assert reset GPIO. So depeneds on DM_GPIO option.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Andre Heider <a.heider@gmail.com>
This commit is contained in:
Pali Rohár 2020-08-25 10:45:04 +02:00 committed by Stefan Roese
parent a65e65939e
commit 835d969c1f
2 changed files with 3 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/pci/Kconfig
View File

@ -30,6 +30,7 @@ config PCI_AARDVARK
bool "Enable Aardvark PCIe driver"
default n
depends on DM_PCI
depends on DM_GPIO
depends on ARMADA_3700
help
Say Y here if you want to enable PCIe controller support on

10
drivers/pci/pci-aardvark.c
View File

@ -148,9 +148,7 @@ struct pcie_advk {
void *base;
int first_busno;
struct udevice *dev;
#if CONFIG_IS_ENABLED(DM_GPIO)
struct gpio_desc reset_gpio;
#endif
};
static inline void advk_writel(struct pcie_advk *pcie, uint val, uint reg)
@ -616,7 +614,6 @@ static int pcie_advk_probe(struct udevice *dev)
{
struct pcie_advk *pcie = dev_get_priv(dev);
#if CONFIG_IS_ENABLED(DM_GPIO)
gpio_request_by_name(dev, "reset-gpios", 0, &pcie->reset_gpio,
GPIOD_IS_OUT);
/*
@ -637,10 +634,9 @@ static int pcie_advk_probe(struct udevice *dev)
dm_gpio_set_value(&pcie->reset_gpio, 1);
mdelay(200);
dm_gpio_set_value(&pcie->reset_gpio, 0);
} else {
dev_warn(pcie->dev, "PCIE Reset on GPIO support is missing\n");
}
#else
dev_dbg(pcie->dev, "PCIE Reset on GPIO support is missing\n");
#endif /* DM_GPIO */
pcie->first_busno = dev->seq;
pcie->dev = pci_get_controller(dev);
@ -650,12 +646,10 @@ static int pcie_advk_probe(struct udevice *dev)
static int pcie_advk_remove(struct udevice *dev)
{
#if CONFIG_IS_ENABLED(DM_GPIO)
struct pcie_advk *pcie = dev_get_priv(dev);
if (dm_gpio_is_valid(&pcie->reset_gpio))
dm_gpio_set_value(&pcie->reset_gpio, 1);
#endif /* DM_GPIO */
return 0;
}