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Date: Tue, 18 Oct 2022 10:24:11 -0500 From: Bryan Brattlof <bb@...com> To: Andrew Davis <afd@...com> CC: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, Tero Kristo <kristo@...nel.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 00/10] AM64x Disable Incomplete DT Nodes On October 17, 2022 thus sayeth Andrew Davis: > Hello all, > > This series goes through the AM64x dtsi and disables the set of nodes > that are not functional without additional board level information. > This is usually pinmux data, but can also be inernal device resources. > > Only when the node is completed in the board file should the node be > enabled. This helps prevents nodes that represent IP that are not > pinned-out on a given board from being left enabled. > > This also reduces the effort needed to add a new board, one no longer > needs to manually disable all the extra IP. For instance TI J784s4 has > 20(!) MCAN instances. It is much easier to enable the one you pin out, > vs disabling the 19 that you did not. > > Thanks, > Andrew > > Andrew Davis (10): > arm64: dts: ti: k3-am64: Enable UART nodes at the board level > arm64: dts: ti: k3-am64: Enable I2C nodes at the board level > arm64: dts: ti: k3-am64: Enable SPI nodes at the board level > arm64: dts: ti: k3-am64: Enable EPWM nodes at the board level > arm64: dts: ti: k3-am64: Enable ECAP nodes at the board level > arm64: dts: ti: k3-am64: Enable PCIe nodes at the board level > arm64: dts: ti: k3-am64: MDIO pinmux should belong to the MDIO node > arm64: dts: ti: k3-am64: Enable MDIO nodes at the board level > arm64: dts: ti: k3-am64: Enable MCAN nodes at the board level > arm64: dts: ti: k3-am64: Enable GPMC and ELM nodes at the board level > > arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 37 ++++++ > arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi | 6 + > arch/arm64/boot/dts/ti/k3-am642-evm.dts | 119 ++----------------- > arch/arm64/boot/dts/ti/k3-am642-sk.dts | 142 ++--------------------- > 4 files changed, 63 insertions(+), 241 deletions(-) > Reviewed-by: Bryan Brattlof <bb@...com> I wholeheartedly agree! This looks great to me! ~Bryan
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