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: 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

diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index fbb1f243ef129f3bb989915b72831a0fcb690329..e1b515304e3cdd326a56b11de3635345e6c06808 100644 (file)
--- 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 c8a662a497b608a0f13ac096f7cd5c9d79358834..3e9bc985e44a300f9dbfb19c38c4547ffe284966 100644 (file)
--- 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