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Wed, 09 Sep 2026 09:54:01 -0700 (PDT) Received: from google.com ([2a00:79e0:2ebe:8:2d43:5153:5c50:643e]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3342af0bc08sm45655113eec.17.2026.09.09.09.53.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2026 09:54:00 -0700 (PDT) Date: Wed, 9 Sep 2026 09:53:57 -0700 From: Dmitry Torokhov To: Madhavan Srinivasan , Michael Ellerman Cc: devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nicholas Piggin , "Christophe Leroy (CS GROUP)" Subject: Re: [PATCH v2 0/3] powerpc: 512x: Convert ADS7845 touchscreen on PDM360NG to device tree Message-ID: References: <20260719-ads7846-pdm360ng-v2-0-1198bd108502@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260719-ads7846-pdm360ng-v2-0-1198bd108502@gmail.com> On Sun, Jul 19, 2026 at 10:37:15PM -0700, Dmitry Torokhov wrote: > The reason for this series is to remove support for platform data in the > ads7846 touchscreen driver, as pdm360ng is the last user of legacy > platform data in the kernel for this driver. > > This series converts the ADS7845 touchscreen on the PDM360NG board to use > Device Tree bindings instead of legacy platform data callbacks: > > - Move GPIO controller capabilities into mpc5121.dtsi so all MPC5121 > boards inherit proper controller definitions, and remove redundant > local declarations from ac14xx.dts > > - Update pdm360ng.dts to use "ti,ads7845" with pendown-gpio and > interrupt-parent referencing gpio_pic > > - Add "ifm,pdm360ng" to mpc512x_generic.c and delete obsolete > pdm360ng.c. > > This change has been discussed in '24 but I just got around to > implementing this: > > https://lore.kernel.org/r/ZoNHLjmSvCN12vU5@google.com/ > > Note that this should compile but I have not tried this on real > hardware. Michael, Madhavan, Can this be merged or maybe you want me to make some changes? I'd like to finish cleaning up ads7846... Thanks. -- Dmitry