[PATCH] clk: vf610: Add support for the Ethernet switch clocks
Frank Li
Frank.li at nxp.com
Thu Jan 22 06:33:17 PST 2026
On Thu, Jan 22, 2026 at 02:06:49PM +0100, Lukasz Majewski wrote:
> 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 at nabladev.com>
> ---
Reviewed-by: Frank Li <Frank.Li at nxp.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));
>
> clk[VF610_CLK_PIT] = imx_clk_gate2("pit", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(7));
>
> --
> 2.39.5
>
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