From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sergio Paracuellos Subject: [PATCH v5 06/10] staging: mt7621-gpio: dt-bindings: add interrupt nodes to bindings doc Date: Sun, 20 May 2018 13:02:56 +0200 Message-Id: <1526814180-19486-7-git-send-email-sergio.paracuellos@gmail.com> In-Reply-To: <1526814180-19486-1-git-send-email-sergio.paracuellos@gmail.com> References: <87d0xq1wmz.fsf@notabene.neil.brown.name> <1526814180-19486-1-git-send-email-sergio.paracuellos@gmail.com> List-ID: To: gregkh@linuxfoundation.org Cc: neil@brown.name, driverdev-devel@linuxdriverproject.org Interrupt related stuff for gpio controller in mt7621 was missing in device tree documentation. Add it to complete documentation for this driver. Signed-off-by: Sergio Paracuellos --- drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt b/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt index 54de9f7..af64092 100644 --- a/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt +++ b/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt @@ -4,12 +4,16 @@ The IP core used inside these SoCs has 3 banks of 32 GPIOs each. The registers of all the banks are interwoven inside one single IO range. We load one GPIO controller instance per bank. To make this possible we support 2 types of nodes. The parent node defines the memory I/O range and -has 3 children each describing a single bank. +has 3 children each describing a single bank. Also the GPIO controller can receive +interrupts on any of the GPIOs, either edge or level. It then interrupts the CPU +using GIC INT12. Required properties for the top level node: - compatible: - "mediatek,mt7621-gpio" for Mediatek controllers - reg : Physical base address and length of the controller's registers +- interrupt-parent : phandle of the parent interrupt controller. +- interrupts = Interrupt specifier for the controllers interrupt Required properties for the GPIO bank node: - compatible: @@ -28,6 +32,9 @@ Example: compatible = "mediatek,mt7621-gpio"; reg = <0x600 0x100>; + interrupt-parent = <&gic>; + interrupts = ; + gpio0: bank@0 { reg = <0>; compatible = "mediatek,mt7621-gpio-bank"; -- 2.7.4