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mtd: rawnand: gpmi: add iMX8QXP support.

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Add "fsl,imx8qxp-gpmi-nand" compatible string. iMX8QXP gpmi nand is similar
to iMX7D. But it is using 4 clocks: "gpmi_io", "gpmi_apb", "gpmi_bch" and
"gpmi_bch_apb".

Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240520-gpmi_nand-v2-4-e3017e4c9da5@nxp.com
This commit is contained in:
Han Xu 2024-05-20 12:09:15 -04:00 committed by Miquel Raynal
parent 355235842d
commit cbbfb0b4f8
2 changed files with 18 additions and 1 deletions
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14
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
View File

@ -1182,6 +1182,19 @@ static const struct gpmi_devdata gpmi_devdata_imx7d = {
.clks_count = ARRAY_SIZE(gpmi_clks_for_mx7d),
};
static const char *gpmi_clks_for_mx8qxp[GPMI_CLK_MAX] = {
"gpmi_io", "gpmi_apb", "gpmi_bch", "gpmi_bch_apb",
};
static const struct gpmi_devdata gpmi_devdata_imx8qxp = {
.type = IS_MX8QXP,
.bch_max_ecc_strength = 62,
.max_chain_delay = 12000,
.support_edo_timing = true,
.clks = gpmi_clks_for_mx8qxp,
.clks_count = ARRAY_SIZE(gpmi_clks_for_mx8qxp),
};
static int acquire_register_block(struct gpmi_nand_data *this,
const char *res_name)
{
@ -2725,6 +2738,7 @@ static const struct of_device_id gpmi_nand_id_table[] = {
{ .compatible = "fsl,imx6q-gpmi-nand", .data = &gpmi_devdata_imx6q, },
{ .compatible = "fsl,imx6sx-gpmi-nand", .data = &gpmi_devdata_imx6sx, },
{ .compatible = "fsl,imx7d-gpmi-nand", .data = &gpmi_devdata_imx7d,},
{ .compatible = "fsl,imx8qxp-gpmi-nand", .data = &gpmi_devdata_imx8qxp, },
{}
};
MODULE_DEVICE_TABLE(of, gpmi_nand_id_table);

5
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
View File

@ -78,6 +78,7 @@ enum gpmi_type {
IS_MX6Q,
IS_MX6SX,
IS_MX7D,
IS_MX8QXP,
};
struct gpmi_devdata {
@ -173,8 +174,10 @@ struct gpmi_nand_data {
#define GPMI_IS_MX6Q(x) ((x)->devdata->type == IS_MX6Q)
#define GPMI_IS_MX6SX(x) ((x)->devdata->type == IS_MX6SX)
#define GPMI_IS_MX7D(x) ((x)->devdata->type == IS_MX7D)
#define GPMI_IS_MX8QXP(x) ((x)->devdata->type == IS_MX8QXP)
#define GPMI_IS_MX6(x) (GPMI_IS_MX6Q(x) || GPMI_IS_MX6SX(x) || \
GPMI_IS_MX7D(x))
GPMI_IS_MX7D(x) || GPMI_IS_MX8QXP(x))
#define GPMI_IS_MXS(x) (GPMI_IS_MX23(x) || GPMI_IS_MX28(x))
#endif