linux-kernel - [PATCH v2] arm64: dts: ti: k3-am68-sk-base-board: Add clklb pin mux for mmc1

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Message-ID: <20240809072231.2931206-1-b-kapoor@ti.com>
Date: Fri, 9 Aug 2024 12:52:31 +0530
From: Bhavya Kapoor <b-kapoor@...com>
To: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <conor+dt@...nel.org>,
        <krzk+dt@...nel.org>, <robh@...nel.org>, <kristo@...nel.org>,
        <b-kapoor@...com>, <m-chawdhry@...com>, <vigneshr@...com>, <nm@...com>,
        <sinthu.raja@...com>, <n-francis@...com>
Subject: [PATCH v2] arm64: dts: ti: k3-am68-sk-base-board: Add clklb pin mux for mmc1

mmc1 is not functional and needs clock loopback so that it can
create sampling clock from this for high speed SDIO operations.
Thus, add clklb pin mux to get mmc1 working.

Fixes: a266c180b398 ("arm64: dts: ti: k3-am68-sk: Add support for AM68 SK base board")
Signed-off-by: Bhavya Kapoor <b-kapoor@...com>
Reviewed-by: Neha Malcom Francis <n-francis@...com>
---

changelog v1->v2 : 
- updated the commit message for better explanation

link to v1 : https://lore.kernel.org/all/20240807101624.2713490-1-b-kapoor@ti.com/

Rebased to next-20240809

 arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
index 90dbe31c5b81..d5ceab79536c 100644
--- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
@@ -204,6 +204,7 @@ main_mmc1_pins_default: main-mmc1-default-pins {
 		pinctrl-single,pins = <
 			J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */
 			J721S2_IOPAD(0x108, PIN_INPUT, 0) /* (N24) MMC1_CMD */
+			J721S2_IOPAD(0x100, PIN_INPUT, 0) /* (###) MMC1_CLKLB */
 			J721S2_IOPAD(0x0fc, PIN_INPUT, 0) /* (M23) MMC1_DAT0 */
 			J721S2_IOPAD(0x0f8, PIN_INPUT, 0) /* (P24) MMC1_DAT1 */
 			J721S2_IOPAD(0x0f4, PIN_INPUT, 0) /* (R24) MMC1_DAT2 */
-- 
2.34.1