linux-kernel - Re: [PATCH v4 2/8] arm64: dts: imx8qm: add lvds subsystem

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Date: Tue, 2 Jul 2024 14:18:04 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Frank Li <Frank.li@....com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Dong Aisheng <aisheng.dong@....com>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/8] arm64: dts: imx8qm: add lvds subsystem

On Tue, Jul 02, 2024 at 12:22:37AM -0400, Frank Li wrote:
> On Tue, Jul 02, 2024 at 12:10:58PM +0800, Shawn Guo wrote:
> > On Mon, Jul 01, 2024 at 11:03:28AM -0400, Frank Li wrote:
> > > Add irqsteer, pwm and i2c in lvds subsystem.
> > > 
> > > Signed-off-by: Frank Li <Frank.Li@....com>
> > > ---
> > >  arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi | 77 +++++++++++++++++++++++
> > >  arch/arm64/boot/dts/freescale/imx8qm.dtsi         | 10 +++
> > >  2 files changed, 87 insertions(+)
> > > 
> > > diff --git a/arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi b/arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi
> > > new file mode 100644
> > > index 0000000000000..1da3934847057
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi
> > > @@ -0,0 +1,77 @@
> > > +// SPDX-License-Identifier: GPL-2.0+
> > > +
> > > +/*
> > > + * Copyright 2024 NXP
> > > + */
> > > +
> > > +&qm_lvds0_lis_lpcg {
> > > +	clocks = <&lvds_ipg_clk>;
> > > +	clock-indices = <IMX_LPCG_CLK_4>;
> > > +};
> > > +
> > > +&qm_lvds0_pwm_lpcg {
> > > +	clocks = <&clk IMX_SC_R_LVDS_0_PWM_0 IMX_SC_PM_CLK_PER>,
> > > +		 <&lvds_ipg_clk>;
> > > +	clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +};
> > > +
> > > +&qm_lvds0_i2c0_lpcg {
> > > +	clocks = <&clk IMX_SC_R_LVDS_0_I2C_0 IMX_SC_PM_CLK_PER>,
> > > +		 <&lvds_ipg_clk>;
> > > +	clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +};
> > > +
> > > +&qm_pwm_lvds0 {
> > > +	clocks = <&qm_lvds0_pwm_lpcg IMX_LPCG_CLK_4>,
> > > +		 <&qm_lvds0_pwm_lpcg IMX_LPCG_CLK_0>;
> > > +};
> > > +
> > > +&qm_i2c0_lvds0 {
> > > +	clocks = <&qm_lvds0_i2c0_lpcg IMX_LPCG_CLK_0>,
> > > +		 <&qm_lvds0_i2c0_lpcg IMX_LPCG_CLK_4>;
> > > +};
> > > +
> > > +&lvds0_subsys {
> > > +	interrupt-parent = <&irqsteer_lvds0>;
> > > +
> > > +	irqsteer_lvds0: interrupt-controller@...40000 {
> > > +		compatible = "fsl,imx8qm-irqsteer", "fsl,imx-irqsteer";
> > 
> > Is compatible "fsl,imx8qm-irqsteer" documented in bindings?
> 
> In rob' tree
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git/commit/?h=dt/next&id=285c645d842c5a15d3be2d653faaa5f68d81be1f

I do not see "fsl,imx8qm-irqsteer" in the patch.

Shawn