linux-kernel - Re: [PATCH v8 4/5] arm64: dts: imx8: fix audio lpcg index

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Date: Wed, 3 Apr 2024 08:46:23 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Frank Li <Frank.Li@....com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.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>,
	Shengjiu Wang <shengjiu.wang@....com>, linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 4/5] arm64: dts: imx8: fix audio lpcg index

On Thu, Mar 28, 2024 at 10:51:36AM -0400, Frank Li wrote:
> lpcg cell0 should be clock's 'indices' instead of 'index'.
> 
> imx_lpcg_of_clk_src_get(struct of_phandle_args *clkspec, void *data)
> {
>         struct clk_hw_onecell_data *hw_data = data;
>         unsigned int idx = clkspec->args[0] / 4;
> 
> 	....
> }
> 
> <@sai0_lpcg 1> will be the same as <@sai_lpcg 0>.
> 
> Replace 0 with IMX_LPCG_CLK_0 and replace 1 with IMX_LPCG_CLK_4.
> 
> It can work at iMX8QXP because IMX_LPCG_CLK_4 is ipg clock, which already
> enabled. But for iMX8QM IMX_LPCG_CLK_4 is mclk, which trigger issue.
> 
> Fixes: 0a9279e9ae88 ("arm64: dts: imx8qxp: Add audio SAI nodes")
> Signed-off-by: Frank Li <Frank.Li@....com>

Applied, thanks!