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Tue, 3 Mar 2026 22:52:44 -0600 Received: from [10.24.73.74] (uda0492258.dhcp.ti.com [10.24.73.74]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 6244qeJo3916368; Tue, 3 Mar 2026 22:52:41 -0600 Message-ID: Date: Wed, 4 Mar 2026 10:24:30 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird CC: , , , , , , , , , , , Subject: Re: [PATCH] arm64: dts: ti: k3-am62a7-sk: Fix pinmux for pin M19 used by sdhci1 To: Judith Mendez References: <20260212130843.1054100-1-s-vadapalli@ti.com> <0633e48a-27a3-456a-8b9b-32e88d417560@ti.com> Content-Language: en-US From: Siddharth Vadapalli In-Reply-To: <0633e48a-27a3-456a-8b9b-32e88d417560@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001507:EE_|IA3PR10MB8276:EE_ X-MS-Office365-Filtering-Correlation-Id: d0f66f94-f4b4-4199-b2dc-08de79a9e436 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|34020700016|36860700016|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.23.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet201.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(376014)(34020700016)(36860700016)(82310400026);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: k5PAFe6WAjKlrK04vPHRy/A9z9BKyd2Vt0jNpajHrbge2EP1k7UZv/SBI0rungdQi2O5dDqshiT43DdaCK7CJrtWLodH6ItRubzrbYeL7P1CDvOIJPHoYShrLlzly3Nds1fVbqqvok1WJ77qOUbo4tDSRPNJbEf4LWJBIE3iQaXJ1lMgPQsMVwSdprTrnbOVzTL2TFHzaCcSVSoubEM7/C5WAmywANpgrEiV/P+s4zZ7QWmSOBlq1iXkBEQVrkDvv2htaGhZfm3mlFo9MVOHnvDg2ZtHj6XoT0C8dV8hH9ue1Ar1oKAALCXazd0WwndbWqIg5b7lTq5ABUVr15y2AmuMpn3OajQoLjbKmxF2Yjbm88Oo3Un5NbfAP7bYPgeSHWJX9kIxndfxuQ9h+hLf+daqhnGTKWl1VD3UaK82R4yAuOI2gC4B5vGtb4PwfsmM X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Mar 2026 04:52:51.7615 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d0f66f94-f4b4-4199-b2dc-08de79a9e436 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00001507.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA3PR10MB8276 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. Regards, Siddharth.