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Tue, 13 Oct 2026 01:00:25 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE212.ent.ti.com (10.64.6.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45 via Frontend Transport; Tue, 13 Oct 2026 01:00:25 -0500 Received: from [10.24.51.219] (abhilash-hp.dhcp.ti.com [10.24.51.219]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 69D60L412934168; Tue, 13 Oct 2026 01:00:22 -0500 Message-ID: <7f734f4a-d54a-46b0-947c-eb7cda00fafa@ti.com> Date: Tue, 13 Oct 2026 11:30:20 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/3] pinctrl: ti: Add TDA54 pin controller driver To: Linus Walleij CC: , , , , , , , , , , , , References: <20260930092020.1047221-1-y-abhilashchandra@ti.com> <20260930092020.1047221-3-y-abhilashchandra@ti.com> Content-Language: en-US From: Yemike Abhilash Chandra In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY5PEPF00000E75:EE_|CY5PR10MB6011:EE_ X-MS-Office365-Filtering-Correlation-Id: 57d86fe3-3a20-4512-a309-08df28ef5dff X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|82310400026|36860700016|1800799024|23010399003|6133799003|10067099003|18002099003|22082099003|261009223027099003|4143699003|56012099006; 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The controller also supports >> two proxy addressing regions and claiming of registers. A register claimed >> through proxy 1 becomes read-only at proxy 0 and can only be written >> through proxy 1. >> >> Add support for the pin controller in the TI TDA54 SoC. >> >> Signed-off-by: Yemike Abhilash Chandra > > Overall this looks pretty nice. > Thanks !! > Check the Sashiko reviews, there is always something > interesting there. > Yes, found a few interesting things there. Will reply to that separately. >> +config PINCTRL_TDA54 >> + tristate "TI TDA54 pinctrl driver" >> + depends on OF && (ARCH_K3 || COMPILE_TEST) >> + select GENERIC_PINCTRL_GROUPS >> + select GENERIC_PINMUX_FUNCTIONS >> + select GENERIC_PINCONF > > Just > > select GENERIC_PINCTRL > > and you get all three. > Done. Thanks. >> +static int tda54_dt_node_to_map(struct pinctrl_dev *pctldev, >> + struct device_node *np, >> + struct pinctrl_map **maps, >> + unsigned int *num_maps) > > What is so unique here that you need your own node to map function? > > Can't you use pinctrl_generic_pinmux_dt_node_to_map()? > I can, thanks for the pointer. I wasn't aware of the generic helper. Switched to pinctrl_generic_pinmux_dt_node_to_map() and it works fine. Thanks and regards, Yemike Abhilash Chandra > Please consult the code in drivers/pinctrl/pinctrl-generic.c. > > Yours, > Linus Walleij