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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 21-11-23 08:30:17, Alexander Stein wrote: > Am Montag, dem 22.11.2021 um 18:45 +0200 schrieb Abel Vesa: > > On 21-11-19 08:17:11, Alexander Stein wrote: > > > Am Donnerstag, dem 18.11.2021 um 19:04 -0600 schrieb Rob Herring: > > > > On Wed, Nov 10, 2021 at 07:46:55PM +0200, Abel Vesa wrote: > > > > > Add i.MX8DXL lpuart compatible to the bindings documentation. > > > > > > > > > > Signed-off-by: Abel Vesa < > > > > > abel.vesa@nxp.com > > > > > > > > > > > > > > > --- > > > > > Documentation/devicetree/bindings/serial/fsl-lpuart.yaml | 4 > > > > > ++++ > > > > > 1 file changed, 4 insertions(+) > > > > > > > > > > diff --git a/Documentation/devicetree/bindings/serial/fsl- > > > > > lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl- > > > > > lpuart.yaml > > > > > index dc1f0e07cbd4..fa8a602ccb22 100644 > > > > > --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml > > > > > +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml > > > > > @@ -27,6 +27,10 @@ properties: > > > > > - items: > > > > > - const: fsl,imx8qm-lpuart > > > > > - const: fsl,imx8qxp-lpuart > > > > > + - items: > > > > > + - const: fsl,imx8dxl-lpuart > > > > > + - const: fsl,imx8qxp-lpuart > > > > > + - const: fsl,imx7ulp-lpuart > > > > > > > > I'm confused why 8dxl is compatible with 7ulp, but 8qm is not? > > > > From > > > > the > > > > driver, it looks like the difference is clocks. > > > > > > There is a difference between 8qm and 7ulp regarding the clocks. > > > Are > > > they still considered compatible? Depending on the answer [1] might > > > not > > > be the correct solution for earlycon regression on 8qm. > > > > > > > In NXP's tree, they are not compatible. > > > > See here: > > > > https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi?h=lf-5.10.y#n9 > > Well, commit > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4b844930f27bf7019c0bbd8cc575dde32e00ecc > says otherwise. > This might be true for earlycon only, because clocks should be setup > already. > > Together with your other mail regarding the imx7ulp fixup, > commit b4b844930f27bf7019c0bbd8cc575dde32e00ecc should just be reverted > in order to get earlycon running again on imx8qm and imx8qxp, IMHO. > I think you're right, the commit b4b844930f27bf7019c should be reverted. You can send the revert yourself, if you want. If not, let me know. > Best regards, > Alexander > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel