From: Leo Li <leoyang.li@nxp.com>
To: Zhen Lei <thunder.leizhen@huawei.com>,
Shawn Guo <shawnguo@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Mark Kettenis <mark.kettenis@xs4all.nl>,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v2 1/1] arm64: dts: lx2160a: Fix the compatible string of LX2160A UART
Date: Mon, 9 Aug 2021 22:52:04 +0000 [thread overview]
Message-ID: <AS8PR04MB8946D0EB15D631346F4D13198FF69@AS8PR04MB8946.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20210615131605.616-2-thunder.leizhen@huawei.com>
> -----Original Message-----
> From: Zhen Lei <thunder.leizhen@huawei.com>
> Sent: Tuesday, June 15, 2021 8:16 AM
> To: Shawn Guo <shawnguo@kernel.org>; Leo Li <leoyang.li@nxp.com>; Rob
> Herring <robh+dt@kernel.org>; Mark Kettenis <mark.kettenis@xs4all.nl>;
> devicetree <devicetree@vger.kernel.org>; linux-arm-kernel <linux-arm-
> kernel@lists.infradead.org>; linux-kernel <linux-kernel@vger.kernel.org>
> Cc: Zhen Lei <thunder.leizhen@huawei.com>
> Subject: [PATCH v2 1/1] arm64: dts: lx2160a: Fix the compatible string of
> LX2160A UART
>
> Mark Kettenis told us that:
> According to the NXP documentation, the LX2160A has a real PL011 UART.
>
> Therefore, rewrite it to the compatible string of pl011. The property "current-
> speed" specific to "arm,sbsa-uart" is also deleted.
Sorry that I missed the discussion on the v1. But looks like this change breaks the LX2160 boot. The AMBA matching doesn't seem to work. And the console is not registered correctly.
[ 0.639055] OF: amba_device_add() failed (-2) for /soc/serial@21c0000
[ 0.645612] OF: amba_device_add() failed (-2) for /soc/serial@21d0000
>
> Suggested-by: Shawn Guo <shawnguo@kernel.org>
> Suggested-by: Mark Kettenis <mark.kettenis@xs4all.nl>
> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
> ---
> arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> index c4b1a59ba424..d2e6f7285674 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> @@ -920,34 +920,30 @@ QORIQ_CLK_PLL_DIV(8)>,
> };
>
> uart0: serial@21c0000 {
> - compatible = "arm,sbsa-uart","arm,pl011";
> + compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0x21c0000 0x0 0x1000>;
> interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
> - current-speed = <115200>;
> status = "disabled";
> };
>
> uart1: serial@21d0000 {
> - compatible = "arm,sbsa-uart","arm,pl011";
> + compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0x21d0000 0x0 0x1000>;
> interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
> - current-speed = <115200>;
> status = "disabled";
> };
>
> uart2: serial@21e0000 {
> - compatible = "arm,sbsa-uart","arm,pl011";
> + compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0x21e0000 0x0 0x1000>;
> interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
> - current-speed = <115200>;
> status = "disabled";
> };
>
> uart3: serial@21f0000 {
> - compatible = "arm,sbsa-uart","arm,pl011";
> + compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0x21f0000 0x0 0x1000>;
> interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
> - current-speed = <115200>;
> status = "disabled";
> };
>
> --
> 2.25.1
>
next prev parent reply other threads:[~2021-08-09 22:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-15 13:16 [PATCH v2 0/1] arm64: dts: lx2160a: Fix the compatible string of LX2160A UART Zhen Lei
2021-06-15 13:16 ` [PATCH v2 1/1] " Zhen Lei
2021-07-14 7:22 ` Shawn Guo
2021-08-09 22:52 ` Leo Li [this message]
2021-08-10 1:28 ` Leizhen (ThunderTown)
2021-08-10 3:38 ` Leo Li
2021-08-12 23:09 ` Li Yang
2021-08-14 4:47 ` Shawn Guo
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