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Wed, 21 May 2025 10:44:56 +0200 Message-ID: <6ed543af-99e4-4710-9e3e-477e178b7c8e@gmx.net> Date: Wed, 21 May 2025 10:44:54 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 3/3] ARM64: dts: add ngpios for vf610 compatible gpio controllers To: Haibo Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Stefan Agner , Linus Walleij , Bartosz Golaszewski Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, peng.fan@nxp.com, conor@kernel.org, Frank Li References: <20250520-gpio-dts-v3-0-04771c6cf325@nxp.com> <20250520-gpio-dts-v3-3-04771c6cf325@nxp.com> Content-Language: en-US From: Stefan Wahren Autocrypt: addr=wahrenst@gmx.net; keydata= xjMEZ1dOJBYJKwYBBAHaRw8BAQdA7H2MMG3q8FV7kAPko5vOAeaa4UA1I0hMgga1j5iYTTvN IFN0ZWZhbiBXYWhyZW4gPHdhaHJlbnN0QGdteC5uZXQ+wo8EExYIADcWIQT3FXg+ApsOhPDN NNFuwvLLwiAwigUCZ1dOJAUJB4TOAAIbAwQLCQgHBRUICQoLBRYCAwEAAAoJEG7C8svCIDCK JQ4BAP4Y9uuHAxbAhHSQf6UZ+hl5BDznsZVBJvH8cZe2dSZ6AQCNgoc1Lxw1tvPscuC1Jd1C TZomrGfQI47OiiJ3vGktBc44BGdXTiQSCisGAQQBl1UBBQEBB0B5M0B2E2XxySUQhU6emMYx f5QR/BrEK0hs3bLT6Hb9WgMBCAfCfgQYFggAJhYhBPcVeD4Cmw6E8M000W7C8svCIDCKBQJn V04kBQkHhM4AAhsMAAoJEG7C8svCIDCKJxoA/i+kqD5bphZEucrJHw77ujnOQbiKY2rLb0pE aHMQoiECAQDVbj827W1Yai/0XEABIr8Ci6a+/qZ8Vz6MZzL5GJosAA== In-Reply-To: <20250520-gpio-dts-v3-3-04771c6cf325@nxp.com> Content-Type: text/plain; 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This allows users to configure the number of GPIOs > per port. > > And some gpio controllers did have less pads. So add 'ngpios' here, > this can save some memory when request bitmap, and also show user > more accurate information when use gpio tools. > > Besides, some gpio controllers have hole in the gpio ranges, so use > 'gpio-reserved-ranges' to cover that, then the gpioinfo tool show the > correct result. > > Reviewed-by: Frank Li > Signed-off-by: Haibo Chen Reviewed-by: Stefan Wahren Thanks