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[94.175.9.129]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-432bd5fe67csm50308328f8f.40.2026.01.14.06.24.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jan 2026 06:24:42 -0800 (PST) Date: Wed, 14 Jan 2026 14:24:41 +0000 From: Stafford Horne To: Bartosz Golaszewski Cc: Krzysztof Kozlowski , LKML , Linux OpenRISC , devicetree , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Geert Uytterhoeven , linux-gpio@vger.kernel.org Subject: Re: [PATCH v4 1/6] dt-bindings: gpio-mmio: Add opencores GPIO Message-ID: References: <20260113161152.3688309-1-shorne@gmail.com> <20260113161152.3688309-2-shorne@gmail.com> <20260114-agile-kangaroo-of-honor-963dc6@quoll> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Jan 14, 2026 at 09:36:55AM +0100, Bartosz Golaszewski wrote: > On Wed, Jan 14, 2026 at 9:31 AM Krzysztof Kozlowski wrote: > > > > On Tue, Jan 13, 2026 at 04:31:33PM +0000, Stafford Horne wrote: > > > On Tue, Jan 13, 2026 at 05:20:28PM +0100, Bartosz Golaszewski wrote: > > > > On Tue, Jan 13, 2026 at 5:15 PM Stafford Horne wrote: > > > > > > > > > > Add a device tree binding for the opencores GPIO controller. > > > > > > > > > > On FPGA Development boards with GPIOs the OpenRISC architecture uses the > > > > > opencores gpio verilog rtl which is compatible with the MMIO GPIO driver. > > > > > > > > > > Link: https://opencores.org/projects/gpio > > > > > Signed-off-by: Stafford Horne > > > > > Reviewed-by: Linus Walleij > > > > > Reviewed-by: Geert Uytterhoeven > > > > > --- > > > > > Since v3: > > > > > - Removed example. > > > > > - Re-order this patch to be before adding compatible string to driver as per > > > > > device tree binding patch rules. > > > > > - Add Reviewed-by's. > > > > > Since v2: > > > > > - Fixup (replace) patch to simply add opencores,gpio and add an example. > > > > > (It was incorrect to specifying opencores,gpio with brcm,bcm6345-gpio > > > > > as opencores,gpio is not the same hardware, its 8-bit vs 32-bit) > > > > > Since v1: > > > > > - Fix schema to actually match the example. > > > > > > > > > > Documentation/devicetree/bindings/gpio/gpio-mmio.yaml | 1 + > > > > > 1 file changed, 1 insertion(+) > > > > > > > > > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml b/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml > > > > > index ee5d5d25ae82..a8823ca65e78 100644 > > > > > --- a/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml > > > > > +++ b/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml > > > > > @@ -23,6 +23,7 @@ properties: > > > > > - ni,169445-nand-gpio > > > > > - wd,mbl-gpio # Western Digital MyBook Live memory-mapped GPIO controller > > > > > - intel,ixp4xx-expansion-bus-mmio-gpio > > > > > + - opencores,gpio > > > > > > > > > > big-endian: true > > > > > > > > > > -- > > > > > 2.51.0 > > > > > > > > > > > > > This is not a follow-up patch. Please rebase your fix on top of > > > > linux-next. I already have the previous patch in my tree and will not > > > > be rebasing the entire for-next branch. > > > > > > OK, understood, I wasn't aware you would not rebase. I will rework this rebasing > > > on linux-next reberting my previous dt-binding: patch first. > > > > No, you need to rebase, not revert. > > > > Just to be extra-clear: take current linux-next (next-20260114) and - > on top of it - create a patch that fixes the issues in an incremental > way. No reverts. Also: add the Fixes: tag to your commit before your > SoB. Got it, I was doing this but preparing the series with a revert. Good thing I waited a bit before sending. -Stafford