Re: [PATCH 1/7] arm64: dts: imx8-ss-lsio: fix pwm lpcg indices

From: Shawn Guo <shawnguo2@yeah.net>
To: Frank Li <Frank.li@nxp.com>
Cc: Fabio Estevam <festevam@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	Marcel Ziswiler <marcel.ziswiler@toradex.com>,
	Philippe Schenker <philippe.schenker@toradex.com>,
	Max Krummenacher <max.krummenacher@toradex.com>,
	Alexander Stein <alexander.stein@ew.tq-group.com>,
	Joakim Zhang <qiangqing.zhang@nxp.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 1/7] arm64: dts: imx8-ss-lsio: fix pwm lpcg indices
Date: Wed, 3 Apr 2024 09:41:26 +0800	[thread overview]
Message-ID: <ZgyzxmuMIK87C2nW@dragon> (raw)
In-Reply-To: <ZgwfnZJDRYmYy7Qt@lizhi-Precision-Tower-5810>

On Tue, Apr 02, 2024 at 11:09:17AM -0400, Frank Li wrote:
> On Mon, Apr 01, 2024 at 08:04:56PM -0300, Fabio Estevam wrote:
> > On Mon, Apr 1, 2024 at 7:25 PM Frank Li <Frank.Li@nxp.com> wrote:
> > >
> > > lpcg's arg0 should use clock indices instead of index.
> > >
> > > pwm0_lpcg: clock-controller@5d400000 {
> > >         ...                                                // Col1  Col2
> > >         clocks = <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>,  // 0     0
> > >                  <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>,  // 1     1
> > >                  <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>,  // 2     4
> > >                  <&lsio_bus_clk>,                          // 3     5
> > >                  <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>;  // 4     6
> > >         clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>,
> > >                         <IMX_LPCG_CLK_4>, <IMX_LPCG_CLK_5>,
> > >                         <IMX_LPCG_CLK_6>;
> > > };
> > >
> > > Col1: index, which exited dts try to get.
> > 
> > I cannot understand this sentence, sorry.
> 
> This base on downstream dts code.  Downstream code use index in 'Col1' to
> get clock.

So s/exited/existing you meant?

Shawn