[PATCH v2 4/6] mtd: rawnand: gpmi: add iMX8QXP support.

Frank Li
2024-05-20T16:10:17Z

From: Han Xu <han.xu@nxp.com>

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>
---
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 14 ++++++++++++++
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h | 5 ++++-
2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index fbb1f243ef129..e1b515304e3cd 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -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);
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
index c8a662a497b60..3e9bc985e44a3 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
@@ -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

--
2.34.1