From mboxrd@z Thu Jan 1 00:00:00 1970 From: f.fainelli@gmail.com (Florian Fainelli) Date: Wed, 19 Sep 2018 14:21:57 -0700 Subject: [PATCH 1/2] dt-bindings: pinctrl: document Broadcom Northstar pin mux controller In-Reply-To: <20180919210219.21921-1-zajec5@gmail.com> References: <20180919210219.21921-1-zajec5@gmail.com> Message-ID: <7e381fba-a7bf-f587-7bbf-d6b30d9874c9@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 09/19/2018 02:02 PM, Rafa? Mi?ecki wrote: > From: Rafa? Mi?ecki > > Northstar has mux controller just like Northstar Plus and Northstar2. > It's a bit different though (different registers & pins) so it requires > its own binding. > > It's needed to allow other block bindings specify required mux setup. > > Signed-off-by: Rafa? Mi?ecki > --- > .../devicetree/bindings/pinctrl/brcm,ns-pinmux.txt | 29 ++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,ns-pinmux.txt > > diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,ns-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/brcm,ns-pinmux.txt > new file mode 100644 > index 000000000000..0e913721ae9e > --- /dev/null > +++ b/Documentation/devicetree/bindings/pinctrl/brcm,ns-pinmux.txt > @@ -0,0 +1,29 @@ > +Broadcom Northstar pins mux controller > + > +Some of Northstar SoCs's pins can be used for various purposes thanks to the mux > +controller. This binding allows describing mux controller and listing available > +functions. They can be referenced later by other bindings to let system > +configure controller correctly. > + > +Required properties: > +- compatible: brcm,ns-pinmux > +- reg: iomem address range of CRU (Central Resource Unit) pin registers > +- reg-names: "cru_pins_control" - the only needed & supported reg right now Technically the register range that you cover is named CRU_GPIO_CONTROLx with x being in [0-8]. Other than that: Reviewed-by: Florian Fainelli -- Florian