| Message ID | 20190528094052.2393-1-Eugeniy.Paltsev@synopsys.com |
|---|---|
| State | New |
| Headers | show |
| Series | ARC: [plat-hsdk]: enable creg-gpio controller | expand |
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
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
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
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(+)