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AJvYcCVfraqQ3KLgnbjqiqskbNsEy++zNZpbwogDGV6kGl8TlpwNRdMGZok2c9GcwKwcbki1PyqqBg7ijgRF/KCoroBJ@lists.infradead.org X-Gm-Message-State: AOJu0YzerstWq8o5PYIAnONtR2sYbKhLDGZF9b2Ji8tSKPjMR4ck0AdO uEeF9urffkl6l7t58xdrqScoVvyZAiNvtcGb8LahkyE1yZbUzBqDD/t0OUlpGPGdrAGvYJOSik5 BKMOVjkQxTbSGLmsNfEzUrG6oTS+MdjU= X-Gm-Gg: ATEYQzzJTFZ9UlotwTdNvweO2UGiHHeyGUdXo1ydcacNya19P0TGflAvISBVeE9HHeR ppMorQ5LPAbbTqRNs+mIrG7LHbJ5vcno9pkay55wCXyJvTF1rrPCqmyQJa7uBZ8/ChOmBQ8B554 HRnsmsmggCZeMTHmFj23a3wq+WX5wEJj8u2Jl9cP2f2vbTW16R8rlJUrxeXlxIp3PoKggpf/kEf j5XRLDGT8dtKhuICBSh3Vl/pe/gZckFrCdn8QSp01MLWzvF4MfaTGaOPH/i93oetyZkOOrF/Lxj 9jRUMXLk93DKbBMtGEaOGImI7zfZSDua1TE2osft X-Received: by 2002:a17:903:283:b0:2b0:5bfc:8af4 with SMTP id d9443c01a7336-2b0827a4001mr128486395ad.34.1774301991602; Mon, 23 Mar 2026 14:39:51 -0700 (PDT) MIME-Version: 1.0 References: <20260323013408.429701-1-nick@khadas.com> <20260323013408.429701-2-nick@khadas.com> <20260323-saffron-cobra-of-perfection-731c8d@quoll> In-Reply-To: <20260323-saffron-cobra-of-perfection-731c8d@quoll> From: Martin Blumenstingl Date: Mon, 23 Mar 2026 22:39:40 +0100 X-Gm-Features: AQROBzBHwpJgqdryfoMYgGeaKe0N_FLrFJ0DYVE2fe5meqjo8yYkKZdDC7I4VPA Message-ID: Subject: Re: [PATCH v2 1/4] dt-bindings: iio: adc: amlogic,meson-saradc: add S4 compatible To: Krzysztof Kozlowski Cc: Nick Xie , neil.armstrong@linaro.org, khilman@baylibre.com, jbrunet@baylibre.com, jic23@kernel.org, dlechner@baylibre.com, andy@kernel.org, krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org, linux-iio@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260323_143953_001854_E8C969A4 X-CRM114-Status: GOOD ( 15.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 23, 2026 at 8:53=E2=80=AFAM Krzysztof Kozlowski wrote: > > On Mon, Mar 23, 2026 at 09:34:05AM +0800, Nick Xie wrote: > > Add the compatible string for the SARADC (Successive Approximation > > Register ADC) IP block found in the Amlogic Meson S4 SoC. > > > > There are no known differences between the SARADC on S4 and the one > > on G12A. Therefore, it uses "amlogic,meson-g12a-saradc" as a proper > > specific fallback. > > You should explain here why you are adding that comment. What do you think about: Also add a comment indicating that "amlogic,meson-saradc" must not be used for new devices. It's a made up compatible string that does not correspond to a specific hardware generation and is not used to match any driver. For old devices we keep it as it's part of the ABI.