Commit cbbfb0b4 authored by Han Xu's avatar Han Xu Committed by Miquel Raynal
Browse files

mtd: rawnand: gpmi: add iMX8QXP support. 



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: default avatarHan Xu <han.xu@nxp.com>
Signed-off-by: default avatarFrank Li <Frank.Li@nxp.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240520-gpmi_nand-v2-4-e3017e4c9da5@nxp.com
parent 35523584

drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c

+14 −0
Original line number Diff line number Diff line
@@ -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);

drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h

+4 −1
Original line number Diff line number Diff line
@@ -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