linux-kernel - [v2, 2/2] gpio: dts: aspeed: Add SGPIO driver

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Message-ID: <1569439337-10482-3-git-send-email-hongweiz@ami.com>
Date:   Wed, 25 Sep 2019 15:22:17 -0400
From:   Hongwei Zhang <hongweiz@....com>
To:     Andrew Jeffery <andrew@...id.au>,
        Linus Walleij <linus.walleij@...aro.org>,
        <linux-gpio@...r.kernel.org>, Joel Stanley <joel@....id.au>
CC:     Hongwei Zhang <hongweiz@....com>, <devicetree@...r.kernel.org>,
        <linux-aspeed@...ts.ozlabs.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Doug Anderson <armlinux@...isordat.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Russell King <linux@...linux.org.uk>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [v2, 2/2] gpio: dts: aspeed: Add SGPIO driver

Add SGPIO driver support for Aspeed AST2500 SoC.

Signed-off-by: Hongwei Zhang <hongweiz@....com>
---
 drivers/gpio/Kconfig             |  8 ++++++++
 drivers/gpio/Makefile            |  1 +

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index bb13c26..e94f903 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -120,6 +120,14 @@ config GPIO_ASPEED
 	help
 	  Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
 
+config SGPIO_ASPEED
+	bool "Aspeed SGPIO support"
+	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
+	select GPIO_GENERIC
+	select GPIOLIB_IRQCHIP
+	help
+	  Say Y here to support Aspeed AST2500 SGPIO functionality.
+
 config GPIO_ATH79
 	tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
 	default y if ATH79
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index a4e9117..bebbd82 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_GPIO_AMD_FCH)		+= gpio-amd-fch.o
 obj-$(CONFIG_GPIO_AMDPT)		+= gpio-amdpt.o
 obj-$(CONFIG_GPIO_ARIZONA)		+= gpio-arizona.o
 obj-$(CONFIG_GPIO_ASPEED)		+= gpio-aspeed.o
+obj-$(CONFIG_SGPIO_ASPEED)		+= sgpio-aspeed.o
 obj-$(CONFIG_GPIO_ATH79)		+= gpio-ath79.o
 obj-$(CONFIG_GPIO_BCM_KONA)		+= gpio-bcm-kona.o
 obj-$(CONFIG_GPIO_BD70528)		+= gpio-bd70528.o
-- 
2.7.4