linux-kernel - RE: [PATCH] clk: vf610: Add support for the Ethernet switch clocks

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Message-ID:
 <PAXPR04MB8459D29C90848DB101F726DE8893A@PAXPR04MB8459.eurprd04.prod.outlook.com>
Date: Mon, 26 Jan 2026 06:34:33 +0000
From: Peng Fan <peng.fan@....com>
To: Lukasz Majewski <lukma@...ladev.com>, Michael Turquette
	<mturquette@...libre.com>, Abel Vesa <abelvesa@...nel.org>, Stephen Boyd
	<sboyd@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer
	<s.hauer@...gutronix.de>
CC: Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam
	<festevam@...il.com>, "linux-clk@...r.kernel.org"
	<linux-clk@...r.kernel.org>, "imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH] clk: vf610: Add support for the Ethernet switch clocks

Hi Lukasz,

> Subject: [PATCH] clk: vf610: Add support for the Ethernet switch clocks
> 
> The vf610 device has built in the MoreThanIP L2 switch. For proper
> operation it is required to enable ESW and MAC table lookup clocks.
> 
> The MAC table spans from 0x400E_C000 for 0x4000 and it is necessary
> to provide clocks for each AIPS1-"slot", which size is 0x1000 (hence
> four separate entries).
> 
> Those can be enabled via clock gating CCM_CCGR10 register
> (0x4006_B068).
> 
> Signed-off-by: Lukasz Majewski <lukma@...ladev.com>
> ---
>  drivers/clk/imx/clk-vf610.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
> index 9e11f1c7c397..88c9b656f244 100644
> --- a/drivers/clk/imx/clk-vf610.c
> +++ b/drivers/clk/imx/clk-vf610.c
> @@ -309,6 +309,11 @@ static void __init vf610_clocks_init(struct
> device_node *ccm_node)
>         clk[VF610_CLK_ENET_TS] = imx_clk_gate("enet_ts", "enet_ts_sel",
> CCM_CSCDR1, 23);
>         clk[VF610_CLK_ENET0] = imx_clk_gate2("enet0", "ipg_bus",
> CCM_CCGR9, CCM_CCGRx_CGn(0));
>         clk[VF610_CLK_ENET1] = imx_clk_gate2("enet1", "ipg_bus",
> CCM_CCGR9, CCM_CCGRx_CGn(1));
> +       clk[VF610_CLK_ESW] = imx_clk_gate2("esw", "ipg_bus",
> CCM_CCGR10, CCM_CCGRx_CGn(8));
> +       clk[VF610_CLK_ESW_MAC_TAB0] = imx_clk_gate2("esw_tab0",
> "ipg_bus", CCM_CCGR10, CCM_CCGRx_CGn(12));
> +       clk[VF610_CLK_ESW_MAC_TAB1] = imx_clk_gate2("esw_tab1",
> "ipg_bus", CCM_CCGR10, CCM_CCGRx_CGn(13));
> +       clk[VF610_CLK_ESW_MAC_TAB2] = imx_clk_gate2("esw_tab2",
> "ipg_bus", CCM_CCGR10, CCM_CCGRx_CGn(14));
> +       clk[VF610_CLK_ESW_MAC_TAB3] = imx_clk_gate2("esw_tab3",
> + "ipg_bus", CCM_CCGR10, CCM_CCGRx_CGn(15));

Seems you post dt-binding in a separate patch. It is better to
put in one patchset.

Regards
Peng

> 
>         clk[VF610_CLK_PIT] = imx_clk_gate2("pit", "ipg_bus", CCM_CCGR1,
> CCM_CCGRx_CGn(7));
> 
> --
> 2.39.5