RE: [PATCH v2 3/4] clk: imx95: enable the clock of NETCMIX block control

From: Peng Fan
Date: Thu Jul 18 2024 - 03:36:04 EST


> Subject: [PATCH v2 3/4] clk: imx95: enable the clock of NETCMIX block
> control
>
> The NETCMIX block control consists of registers for configuration of
> peripherals in the NETC domain, so enable the clock of NETCMIX to
> support the configuration.
>
> Signed-off-by: Wei Fang <wei.fang@xxxxxxx>
> ---
> V2:
> Add RMII reference clock mux for ENETC0 and ENETC1.
> ---
> drivers/clk/imx/clk-imx95-blk-ctl.c | 30
> +++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/drivers/clk/imx/clk-imx95-blk-ctl.c b/drivers/clk/imx/clk-
> imx95-blk-ctl.c
> index 74f595f9e5e3..19a62da74be4 100644
> --- a/drivers/clk/imx/clk-imx95-blk-ctl.c
> +++ b/drivers/clk/imx/clk-imx95-blk-ctl.c
> @@ -248,6 +248,35 @@ static const struct imx95_blk_ctl_dev_data
> dispmix_csr_dev_data = {
> .clk_reg_offset = 0,
> };
>
> +static const struct imx95_blk_ctl_clk_dev_data
> netxmix_clk_dev_data[] = {
> + [IMX95_CLK_NETCMIX_ENETC0_RMII] = {
> + .name = "enetc0_rmii_sel",
> + .parent_names = (const char *[]){"ext_enetref",
> "enetref"},
> + .num_parents = 2,
> + .reg = 4,
> + .bit_idx = 5,
> + .bit_width = 1,
> + .type = CLK_MUX,
> + .flags = CLK_SET_RATE_NO_REPARENT |
> CLK_SET_RATE_PARENT,
> + },
> + [IMX95_CLK_NETCMIX_ENETC1_RMII] = {
> + .name = "enetc1_rmii_sel",
> + .parent_names = (const char *[]){"ext_enetref",
> "enetref"},
> + .num_parents = 2,
> + .reg = 4,

Both the entry use reg address 4, use a lock to protect?

Regards,
Peng.

> + .bit_idx = 10,
> + .bit_width = 1,
> + .type = CLK_MUX,
> + .flags = CLK_SET_RATE_NO_REPARENT |
> CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static const struct imx95_blk_ctl_dev_data netcmix_dev_data = {
> + .num_clks = ARRAY_SIZE(netxmix_clk_dev_data),
> + .clk_dev_data = netxmix_clk_dev_data,
> + .clk_reg_offset = 0,
> +};
> +
> static int imx95_bc_probe(struct platform_device *pdev) {
> struct device *dev = &pdev->dev;
> @@ -419,6 +448,7 @@ static const struct of_device_id
> imx95_bc_of_match[] = {
> { .compatible = "nxp,imx95-lvds-csr", .data =
> &lvds_csr_dev_data },
> { .compatible = "nxp,imx95-display-csr", .data =
> &dispmix_csr_dev_data },
> { .compatible = "nxp,imx95-vpu-csr", .data =
> &vpublk_dev_data },
> + { .compatible = "nxp,imx95-netcmix-blk-ctrl", .data =
> +&netcmix_dev_data},
> { /* Sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, imx95_bc_of_match);
> --
> 2.34.1