* [PATCH] ARC: [plat-hsdk]: enable creg-gpio controller
@ 2019-05-28 9:40 Eugeniy Paltsev
2019-05-28 12:04 ` Alexey Brodkin
2019-05-28 17:07 ` Vineet Gupta
0 siblings, 2 replies; 3+ messages in thread
From: Eugeniy Paltsev @ 2019-05-28 9:40 UTC (permalink / raw)
To: linux-snps-arc, Vineet Gupta
Cc: linux-kernel, Alexey Brodkin, Eugeniy Paltsev
HSDK SOC has CREG GPIO controller which can be used to control
SPI chip select lines.
Enable it in preparation of enabling SPI peripherals.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
arch/arc/boot/dts/hsdk.dts | 8 ++++++++
arch/arc/configs/hsdk_defconfig | 1 +
2 files changed, 9 insertions(+)
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 7425bb0f2d1b..83e163e51b34 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -237,6 +237,14 @@
dma-coherent;
};
+ creg_gpio: gpio@14b0 {
+ compatible = "snps,creg-gpio-hsdk";
+ reg = <0x14b0 0x4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <2>;
+ };
+
gpio: gpio@3000 {
compatible = "snps,dw-apb-gpio";
reg = <0x3000 0x20>;
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 0e5fd29ed238..0c4411f50948 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -49,6 +49,7 @@ CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y
+CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
--
2.21.0
^ permalink raw reply [flat|nested] 3+ messages in thread* RE: [PATCH] ARC: [plat-hsdk]: enable creg-gpio controller
2019-05-28 9:40 [PATCH] ARC: [plat-hsdk]: enable creg-gpio controller Eugeniy Paltsev
@ 2019-05-28 12:04 ` Alexey Brodkin
2019-05-28 17:07 ` Vineet Gupta
1 sibling, 0 replies; 3+ messages in thread
From: Alexey Brodkin @ 2019-05-28 12:04 UTC (permalink / raw)
To: Eugeniy Paltsev; +Cc: linux-kernel, Rob Herring, Vineet Gupta, linux-snps-arc
Hi Eugeniy,
> -----Original Message-----
> From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> Sent: Tuesday, May 28, 2019 12:41 PM
> To: linux-snps-arc@lists.infradead.org; Vineet Gupta <vgupta@synopsys.com>
> Cc: linux-kernel@vger.kernel.org; Alexey Brodkin <abrodkin@synopsys.com>; Eugeniy Paltsev
> <Eugeniy.Paltsev@synopsys.com>
> Subject: [PATCH] ARC: [plat-hsdk]: enable creg-gpio controller
>
> HSDK SOC has CREG GPIO controller which can be used to control
SoC
> SPI chip select lines.
> Enable it in preparation of enabling SPI peripherals.
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Adding Rob to the Cc list.
-Alexey
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] ARC: [plat-hsdk]: enable creg-gpio controller
2019-05-28 9:40 [PATCH] ARC: [plat-hsdk]: enable creg-gpio controller Eugeniy Paltsev
2019-05-28 12:04 ` Alexey Brodkin
@ 2019-05-28 17:07 ` Vineet Gupta
1 sibling, 0 replies; 3+ messages in thread
From: Vineet Gupta @ 2019-05-28 17:07 UTC (permalink / raw)
To: Eugeniy Paltsev, linux-snps-arc; +Cc: Alexey Brodkin, linux-kernel
On 5/28/19 2:40 AM, Eugeniy Paltsev wrote:
> HSDK SOC has CREG GPIO controller which can be used to control
> SPI chip select lines.
> Enable it in preparation of enabling SPI peripherals.
>
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Added to for-curr
Thx,
-Vineet
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2019-05-28 17:07 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-05-28 9:40 [PATCH] ARC: [plat-hsdk]: enable creg-gpio controller Eugeniy Paltsev
2019-05-28 12:04 ` Alexey Brodkin
2019-05-28 17:07 ` Vineet Gupta
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