From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ray Jui Subject: [PATCH v4 1/2] dt-bindings: Update iProc GPIO bindings Date: Mon, 18 Jul 2016 10:20:17 -0700 Message-ID: <1468862418-31477-2-git-send-email-ray.jui@broadcom.com> References: <1468862418-31477-1-git-send-email-ray.jui@broadcom.com> Return-path: In-Reply-To: <1468862418-31477-1-git-send-email-ray.jui@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org To: Linus Walleij , Alexandre Courbot , Rob Herring Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, Ray Jui List-Id: devicetree@vger.kernel.org Update the iProc GPIO binding document to add new compatible strings "brcm,iproc-nsp-gpio" and "brcm,iproc-stingray-gpio" to support the iProc based GPIO controller used in the NSP and Stingray SoCs, respectively Signed-off-by: Ray Jui --- .../devicetree/bindings/pinctrl/brcm,iproc-gpio.txt | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt index e427792..a73cbeb 100644 --- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt +++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt @@ -3,8 +3,22 @@ Broadcom iProc GPIO/PINCONF Controller Required properties: - compatible: - Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", - "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio" + "brcm,iproc-gpio" for the generic iProc based GPIO controller IP that + supports full-featured pinctrl and GPIO functions used in various iProc + based SoCs + + May contain an SoC-specific compatibility string to accommodate any + SoC-specific features + + "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", or + "brcm,cygnus-crmu-gpio" for Cygnus SoCs + + "brcm,iproc-nsp-gpio" for the iProc NSP SoC that has drive strength support + disabled + + "brcm,iproc-stingray-gpio" for the iProc Stingray SoC that has the general + pinctrl support completely disabled in this IP block. In Stingray, a + different IP block is used to handle pinctrl related functions - reg: Define the base and range of the I/O address space that contains SoC -- 2.1.4