From: Leo Li <leoyang.li@nxp.com>
To: Andy Tang <andy.tang@nxp.com>,
"shawnguo@kernel.org" <shawnguo@kernel.org>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Andy Tang <andy.tang@nxp.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: RE: [PATCH v2] arm64: dts: ls1028a: fix a compatible issue
Date: Thu, 10 Oct 2019 22:31:16 +0000 [thread overview]
Message-ID: <VE1PR04MB6687C0E8739C82D1DAFC71D58F940@VE1PR04MB6687.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20191010083334.7037-1-andy.tang@nxp.com>
> -----Original Message-----
> From: Yuantian Tang <andy.tang@nxp.com>
> Sent: Thursday, October 10, 2019 3:34 AM
> To: shawnguo@kernel.org
> Cc: Leo Li <leoyang.li@nxp.com>; robh+dt@kernel.org;
> mark.rutland@arm.com; linux-arm-kernel@lists.infradead.org;
> devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; Andy Tang
> <andy.tang@nxp.com>
> Subject: [PATCH v2] arm64: dts: ls1028a: fix a compatible issue
>
> The I2C multiplexer used on ls1028aqds is PCA9547, not PCA9847.
> If the wrong compatible was used, this chip will not be able to be probed
> correctly and hence fail to work.
>
> Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
> ---
> v2:
> - refine the description
> arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> index 5e14e5a19744..f5da9e8b0d9d 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> @@ -107,7 +107,7 @@
> status = "okay";
>
> i2c-mux@77 {
> - compatible = "nxp,pca9847";
> + compatible = "nxp,pca9547";
> reg = <0x77>;
> #address-cells = <1>;
> #size-cells = <0>;
> --
> 2.17.1
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next prev parent reply other threads:[~2019-10-10 22:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-10 8:33 [PATCH v2] arm64: dts: ls1028a: fix a compatible issue Yuantian Tang
2019-10-10 22:31 ` Leo Li [this message]
2019-10-25 8:26 ` Shawn Guo
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