[v2] ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
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Message ID 20191031014040.12898-1-rentao.bupt@gmail.com
State New
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Series
  • [v2] ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
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Commit Message

Tao Ren Oct. 31, 2019, 1:40 a.m. UTC
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(-)

Comments

Andrew Jeffery Nov. 25, 2019, 12:04 a.m. UTC | #1
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>

Patch
diff mbox series

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