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Sun, 8 Mar 2026 23:35:13 -0500 Received: from [172.24.233.103] (uda0132425.dhcp.ti.com [172.24.233.103]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 6294ZA1E389753; Sun, 8 Mar 2026 23:35:10 -0500 Message-ID: Date: Mon, 9 Mar 2026 10:05:09 +0530 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: ti: k3-am62a7-sk: Fix pinmux for pin M19 used by sdhci1 To: Siddharth Vadapalli , Judith Mendez CC: , , , , , , , , , References: <20260212130843.1054100-1-s-vadapalli@ti.com> <0633e48a-27a3-456a-8b9b-32e88d417560@ti.com> From: Vignesh Raghavendra Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECDA:EE_|MN6PR10MB8072:EE_ X-MS-Office365-Filtering-Correlation-Id: d6dba21a-6f7a-459b-087a-08de7d954239 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|82310400026|376014; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: iH4Lc0cv2pi6rWgvKZ32Cga3KC/553hLOWFCM1EXKE+wlXxpnVH4cqZmCgd1/dIhDn/vRZZnZpHJ8cFC+a7LLMfV7OGJ3jUJTC4gRbMMY3AQ5l7zXpjAZu5Yy3+tnkzqUsFf/mNvy5hcYHUvYqlMYjA8IhDH9Fhf4qag++N2oEGKqqqBcoZkY6u41rrCfabE+DJs4VbBGCV4HWHK02QGlvVtjO+6Fnwa0jBfLq/Jz+4/a3y6XUdqrqlXKMbnftHhw+2oyCTiTvAyea6wVJwPP0wsf9+uiwcGRCqzIW6ceDbEs7HDge3k+BPIb4BWaxMWHJWm+8syS7MkId+0uSqV7iGpUXEvLHsEPXjR0gu4ZswEnnaN3/sa4yhAfZ0hdG3/kQfQBWcD4C0g5d2+R7q530dSDEu19r3f5M5tcRyutUAnbIY+nE5ZGe/63883cdMQ X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Mar 2026 04:35:14.6618 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d6dba21a-6f7a-459b-087a-08de7d954239 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000ECDA.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN6PR10MB8072 On 04/03/26 10:24, Siddharth Vadapalli wrote: > On 03/03/26 22:06, Judith Mendez wrote: >> Hi Siddharth, >> >> On 2/12/26 7:06 AM, Siddharth Vadapalli wrote: >>> According to the datasheet for the AM62Ax SoC [0], pin M19 has the >>> address >>> 0x000F40A8. Therefore, the offset to be passed to the AM62AX_IOPAD >>> macro is >>> 0xa8 and not 0x07c. With the existing incorrect offset, the following >>> error >>> is seen when Linux boots: >>>     fa00000.mmc: deferred probe pending: platform: supplier >>> regulator-5 not ready >>> with the SD Card being unusable and the boot process halting due to >>> the root >>> filesystem in the SD Card being inaccessible. >>> >>> Hence, fix it. >>> >>> [0]: https://www.ti.com/lit/ds/symlink/am62a7.pdf >>> >>> Fixes: 8f023012eb4a ("arm64: dts: ti: k3-am62a: Enable UHS mode >>> support for SD cards") >>> Cc: >>> Signed-off-by: Siddharth Vadapalli >>> --- >>> >>> Hello, >>> >>> This patch is based on commit >>> 37a93dd5c49b Merge tag 'net-next-7.0' of git://git.kernel.org/pub/ >>> scm/ linux/kernel/git/netdev/net-next >>> of Mainline Linux. >>> >>> Regards, >>> Siddharth. >>> >>>   arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 2 +- >>>   1 file changed, 1 insertion(+), 1 deletion(-) >>> >>> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/ >>> boot/ dts/ti/k3-am62a7-sk.dts >>> index e99bdbc2e0cb..9cfe7e7b317b 100644 >>> --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts >>> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts >>> @@ -398,7 +398,7 @@ AM62AX_IOPAD(0x01d4, PIN_INPUT, 7) /* (C15) >>> UART0_RTSn.GPIO1_23 */ >>>       vddshv_sdio_pins_default: vddshv-sdio-default-pins { >>>           pinctrl-single,pins = < >>> -            AM62AX_IOPAD(0x07c, PIN_OUTPUT, 7) /* (M19) >>> GPMC0_CLK.GPIO0_31 */ >>> +            AM62AX_IOPAD(0x0a8, PIN_OUTPUT, 7) /* (M19) >>> GPMC0_CLK.GPIO0_31 */ >> >> What! I don't think this is right. >> >> Looking at device tree, regulator-5 is using main_gpio0 31 to control SD >> ENA with PMIC. Which is GPMC0_CLK (N22 pad) and VSEL_SD_SOC. Which is >> 0x000F407C address in the device datasheet. So as far as I can see, the >> original address is correct and just the (M19) name is wrong. Did you >> test this patch to see if that fixed the failure? > Yes, without this patch I saw the following: > [    2.108345] Waiting for root device PARTUUID=076c4a2a-02... > [   12.261669] platform fa00000.mmc: deferred probe pending: platform: > supplier regulator-5 > > Since the pin was named 'M19' in the comment, I corrected the offset to > match that of M19 and the issue was fixed. So it seems that although it > fixed the issue, it isn't really a fix. > Refer to the schematics and not datasheet for pin routing. Please submit patch fixing the comment to say N22 > Regards, > Siddharth. -- Regards Vignesh https://ti.com/opensource