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authorJudith Mendez <jm@ti.com>2026-02-23 17:37:29 -0600
committerVignesh Raghavendra <vigneshr@ti.com>2026-03-27 07:38:35 +0530
commit6d4441be969bea89bb9702781f5dfb3a8f2a02a4 (patch)
treee8598ce83173ec374848282e72ef2891f94306f4 /rust/kernel/interop/git@git.tavy.me:linux-stable.git
parent8cb06da086ae530de7eaf4f44e33e46fa4e78c53 (diff)
arm64: dts: ti: k3-am62p5-sk: Disable MMC1 internal pulls on data pins
AM62P SK has external 10K pullups on MMC1 DAT1-DAT3 pins [0]. Disable internal pullups on DAT1-DAT3 so that each line has a single pullup source: - with both pullups enabled, the effective parallel resistance on DAT1-3 (~8.33K) drops below the 10K minimum pullup requirement for data lines (per SD Physical Layer Specification) - removing internal pullups makes DAT1-3 match DAT0 10K external pullup so its consistent and within spec - both internal and external pullups enabled equals unnecessary power consumption [0] https://www.ti.com/lit/zip/SPRR487 Fixes: c00504ea42c0 ("arm64: dts: ti: k3-am62p5-sk: Updates for SK EVM") Signed-off-by: Judith Mendez <jm@ti.com> Reviewed-by: Moteen Shah <m-shah@ti.com> Link: https://patch.msgid.link/20260223233731.2690472-2-jm@ti.com Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
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