On 04/21/2017 03:07 AM, Stefan Agner wrote:
> Add support for i.MX 7 SoC. The i.MX 7 has a slightly different
> clock architecture requiring only two clocks to be referenced.
> The IP is slightly different compared to i.MX 6SoloX, but currently
> none of this differences are in use so there is no detection needed
> and the driver can reuse IS_MX6SX.
>
> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
> ---
> drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> index c8bbf5da2ab8..4a45d37ddc80 100644
> --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> @@ -127,6 +127,18 @@ static const struct gpmi_devdata gpmi_devdata_imx6sx = {
> .clks_count = ARRAY_SIZE(gpmi_clks_for_mx6),
> };
>
> +static const char * const gpmi_clks_for_mx7d[] = {
> + "gpmi_io", "gpmi_bch_apb",
> +};
> +
> +static const struct gpmi_devdata gpmi_devdata_imx7d = {
> + .type = IS_MX6SX,
Would it make sense to use IS_MX7 here already to prevent future surprises ?
> + .bch_max_ecc_strength = 62,
> + .max_chain_delay = 12,
> + .clks = gpmi_clks_for_mx7d,
> + .clks_count = ARRAY_SIZE(gpmi_clks_for_mx7d),
> +};
> +
> static irqreturn_t bch_irq(int irq, void *cookie)
> {
> struct gpmi_nand_data *this = cookie;
> @@ -2071,6 +2083,9 @@ static const struct of_device_id gpmi_nand_id_table[] = {
> }, {
> .compatible = "fsl,imx6sx-gpmi-nand",
> .data = &gpmi_devdata_imx6sx,
> + }, {
> + .compatible = "fsl,imx7d-gpmi-nand",
> + .data = &gpmi_devdata_imx7d,
> }, {}
> };
> MODULE_DEVICE_TABLE(of, gpmi_nand_id_table);
>
--
Best regards,
Marek Vasut
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