linux-kernel - [PATCH v3 0/9] Fix MMC properties on Sitara K3 devices

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Date: Tue, 13 Feb 2024 17:56:52 -0600
From: Judith Mendez <jm@...com>
To: Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Wadim Egorov
	<w.egorov@...tec.de>,
        Francesco Dolcini <francesco.dolcini@...adex.com>
Subject: [PATCH v3 0/9] Fix MMC properties on Sitara K3 devices

This patch series aims to fix and update MMC nodes for TI
Sitara K3 devices with the following changes.

The series introduces sdhci0 and sdhci2 nodes and enables
eMMC for AM62ax platform.

Also introduce fixes for MMC ITAP/OTAP values for AM64x
platform according to device datasheet [0], and add ITAP/
OTAP values for AM62p to enable the highest timing possible
for MMC0 and MMC1, according to device datasheet [1].

The DLL properties ti,trm-icp and ti,driver-strength-ohm
should be removed for soft PHYs since drive strength cannot
be changed, so remove these properties when not applicable.
Since this fix touches non-TI boards and therefore cannot be
tested, all tested-by's are welcome.

Also include a few fixes for ti,clkbuf-sel, bus-width,
and bootph-all device tree properties in MMC nodes.

This series was tested on:
- AM62a SK
- AM62x SK
- AM62p SK
- AM64x GP EVM
- AM64x SK EVM
- Beagleplay

[0] https://www.ti.com/lit/ds/symlink/am6442.pdf
[1] https://www.ti.com/lit/ds/symlink/am62p.pdf

Fixes since V2:
- Remove ti,driver-strength-ohm property in sdhci1 node for
 k3-am642-tqma64xxl-mbax4xxl and k3-am642-phyboard-electra-rdk board files.
- Add Francesco's Acked-by

V2: https://lore.kernel.org/linux-devicetree/20240213002416.1560357-1-jm@ti.com/
V1: https://lore.kernel.org/linux-devicetree/22af7436-8833-4049-bdbb-f79bb3314ee8@ti.com/
RFC: https://lore.kernel.org/linux-devicetree/c94b7399-31c0-4e7d-a616-8f29c86a27ba@ti.com/

Judith Mendez (7):
  arm64: dts: ti: k3-am62a-main: Add sdhci2 instance
  arm64: dts: ti: k3-am64-main: Fix ITAP/OTAP values for MMC
  arm64: dts: ti: k3-am62p: Add ITAP/OTAP values for MMC
  arm64: dts: ti: k3-am6*: Remove DLL properties for soft PHYs
  arm64: dts: ti: k3-am6*: Fix ti,clkbuf-sel property in MMC nodes
  arm64: dts: ti: k3-am6*: Fix bus-width property in MMC nodes
  arm64: dts: ti: k3-am6*: Add bootph-all property in MMC node

Nitin Yadav (2):
  arm64: dts: ti: k3-am62a-main: Add sdhci0 instance
  arm64: dts: ti: k3-am62a7-sk: Enable eMMC support

 arch/arm64/boot/dts/ti/k3-am62-main.dtsi      | 12 +++--
 .../boot/dts/ti/k3-am62-phycore-som.dtsi      |  1 -
 .../boot/dts/ti/k3-am62-verdin-dahlia.dtsi    |  1 -
 .../arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi |  1 -
 .../boot/dts/ti/k3-am62-verdin-wifi.dtsi      |  1 -
 arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi    |  2 -
 .../arm64/boot/dts/ti/k3-am625-beagleplay.dts |  4 --
 .../dts/ti/k3-am625-phyboard-lyra-rdk.dts     |  1 -
 arch/arm64/boot/dts/ti/k3-am62a-main.dtsi     | 45 ++++++++++++++++++-
 arch/arm64/boot/dts/ti/k3-am62a7-sk.dts       | 27 ++++++++++-
 arch/arm64/boot/dts/ti/k3-am62p-main.dtsi     | 44 ++++++++++++++++--
 arch/arm64/boot/dts/ti/k3-am62p5-sk.dts       |  3 +-
 .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi |  2 -
 arch/arm64/boot/dts/ti/k3-am64-main.dtsi      | 15 +++++--
 arch/arm64/boot/dts/ti/k3-am642-evm.dts       |  4 +-
 .../dts/ti/k3-am642-phyboard-electra-rdk.dts  |  1 -
 arch/arm64/boot/dts/ti/k3-am642-sk.dts        |  2 -
 .../dts/ti/k3-am642-tqma64xxl-mbax4xxl.dts    |  1 -
 18 files changed, 129 insertions(+), 38 deletions(-)


base-commit: 1e6bbc5185bcd113c8d2f7aa0a02f588a6bdbe5d
-- 
2.43.0