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[v3,19/20] arm: dts: k3-am654-base-board: Limit Sd card to High speed modes

Message ID 20210121124052.3454-20-a-govindraju@ti.com
State Changes Requested
Delegated to: Lokesh Vutla
Headers show
Series Add support for MMC higher speed modes for TI's am65x, j721e and j7200 platforms | expand

Commit Message

Aswath Govindraju Jan. 21, 2021, 12:40 p.m. UTC
From: Faiz Abbas <faiz_abbas@ti.com>

There's an issue with the base board in which the power cycle
circuit takes way longer to power down than expected by mmc core.
code. This prevents the card from enumerating in UHS modes.

Disable UHS modes for this board until a new board revision fixes
the issue.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
---
 arch/arm/dts/k3-am654-base-board.dts | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm/dts/k3-am654-base-board.dts b/arch/arm/dts/k3-am654-base-board.dts
index 33a1b9fdc4b7..830526a1e473 100644
--- a/arch/arm/dts/k3-am654-base-board.dts
+++ b/arch/arm/dts/k3-am654-base-board.dts
@@ -144,6 +144,7 @@ 
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_mmc1_pins_default>;
 	ti,driver-strength-ohm = <50>;
+	sdhci-caps-mask = <0x7 0x0>;
 	disable-wp;
 };