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* [PATCH] ARC: [plat-hsdk] Enable DW APB GPIO support
@ 2018-10-23 12:09 Eugeniy Paltsev
  2018-10-30 17:25 ` Vineet Gupta
  0 siblings, 1 reply; 3+ messages in thread
From: Eugeniy Paltsev @ 2018-10-23 12:09 UTC (permalink / raw)
  To: linux-snps-arc, Vineet Gupta
  Cc: linux-kernel, Alexey Brodkin, Eugeniy Paltsev

Enable GPIO support on HSDK. HSDK SoC includes Synopsys
DesignWare DW_apb_gpio IP with 24 GPIOs mapped onto port A.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
 arch/arc/boot/dts/hsdk.dts      | 15 +++++++++++++++
 arch/arc/configs/hsdk_defconfig |  3 +++
 2 files changed, 18 insertions(+)

diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index ef149f59929a..43f17b51ee89 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -222,6 +222,21 @@
 			bus-width = <4>;
 			dma-coherent;
 		};
+
+		gpio: gpio@3000 {
+			compatible = "snps,dw-apb-gpio";
+			reg = <0x3000 0x20>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			gpio_port_a: gpio-controller@0 {
+				compatible = "snps,dw-apb-gpio-port";
+				gpio-controller;
+				#gpio-cells = <2>;
+				snps,nr-gpios = <24>;
+				reg = <0>;
+			};
+		};
 	};
 
 	memory@80000000 {
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 1dec2b4bc5e6..eca10b8baea5 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -45,6 +45,9 @@ CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_DW=y
 CONFIG_SERIAL_OF_PLATFORM=y
 # CONFIG_HW_RANDOM is not set
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_DWAPB=y
 # CONFIG_HWMON is not set
 CONFIG_DRM=y
 # CONFIG_DRM_FBDEV_EMULATION is not set
-- 
2.14.5


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-10-31 18:59 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-10-23 12:09 [PATCH] ARC: [plat-hsdk] Enable DW APB GPIO support Eugeniy Paltsev
2018-10-30 17:25 ` Vineet Gupta
2018-10-31 18:59   ` Alexey Brodkin

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