* [PATCH v2] ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
@ 2019-10-31 1:40 rentao.bupt
2019-11-25 0:04 ` Andrew Jeffery
0 siblings, 1 reply; 2+ messages in thread
From: rentao.bupt @ 2019-10-31 1:40 UTC (permalink / raw)
To: Russell King, Matthias Brugger, Arnd Bergmann, Linus Walleij,
Paul Burton, Andrew Morton, Mauro Carvalho Chehab,
Bartosz Golaszewski, Mike Rapoport, Doug Anderson,
Ard Biesheuvel, Benjamin Gaignard, Joel Stanley, Andrew Jeffery,
arm, soc, linux-arm-kernel, linux-kernel, linux-mediatek,
openbmc, taoren
Cc: Tao Ren
From: Tao Ren <rentao.bupt@gmail.com>
Increase the max number of GPIOs from default 512 to 1024 for ASPEED
platforms, because Facebook Yamp (AST2500) BMC platform has total 594
GPIO pins (232 provided by ASPEED SoC, and 362 by I/O Expanders).
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
---
Changes in v2:
- updated Reviewed-by and added ARM SoC and SoC maintainers to
reviewers' list.
arch/arm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b7dbeb652cb1..57504f3365c7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1359,7 +1359,7 @@ config ARCH_NR_GPIO
int
default 2048 if ARCH_SOCFPGA
default 1024 if ARCH_BRCMSTB || ARCH_RENESAS || ARCH_TEGRA || \
- ARCH_ZYNQ
+ ARCH_ZYNQ || ARCH_ASPEED
default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \
SOC_DRA7XX || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
default 416 if ARCH_SUNXI
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
2019-10-31 1:40 [PATCH v2] ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED rentao.bupt
@ 2019-11-25 0:04 ` Andrew Jeffery
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Jeffery @ 2019-11-25 0:04 UTC (permalink / raw)
To: Tao Ren, Russell King, Matthias Brugger, Arnd Bergmann,
Linus Walleij, Paul Burton, Andrew Morton, Mauro Carvalho Chehab,
Bartosz Golaszewski, Mike Rapoport, Doug Anderson,
Ard Biesheuvel, Benjamin Gaignard, Joel Stanley, arm, soc,
linux-arm-kernel, linux-kernel, linux-mediatek, openbmc, Tao Ren
On Thu, 31 Oct 2019, at 12:10, rentao.bupt@gmail.com wrote:
> From: Tao Ren <rentao.bupt@gmail.com>
>
> Increase the max number of GPIOs from default 512 to 1024 for ASPEED
> platforms, because Facebook Yamp (AST2500) BMC platform has total 594
> GPIO pins (232 provided by ASPEED SoC, and 362 by I/O Expanders).
>
> Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Hopefully userspace is not making assumptions about sysfs gpiochip numbers.
Acked-by: Andrew Jeffery <andrew@aj.id.au>
^ permalink raw reply [flat|nested] 2+ messages in thread
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