* [PATCH v1] mtd: spi-nor-ids: gd55lb02gf: add SPI_NOR_DUAL_READ
@ 2026-09-25 1:14 Vincent Jardin
2026-10-02 3:09 ` Takahiro.Kuwano
0 siblings, 1 reply; 2+ messages in thread
From: Vincent Jardin @ 2026-09-25 1:14 UTC (permalink / raw)
To: u-boot; +Cc: Tom Rini, Vignesh R, Takahiro Kuwano, Vincent Jardin
The GD55LB02GF supports Dual Output Fast Read and Dual IO Fast Read
according to its datasheet, but its entry only declares the single
and quad reads.
Signed-off-by: Vincent Jardin <vjardin@free.fr>
---
drivers/mtd/spi/spi-nor-ids.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index 31a2ba49a87..59247b3f4b9 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -233,7 +233,8 @@ const struct flash_info spi_nor_ids[] = {
},
{
INFO("gd55lb02gf", 0xc8601c, 0, 64 * 1024, 4096,
- SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES)
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_4B_OPCODES)
},
#endif
#ifdef CONFIG_SPI_FLASH_ISSI /* ISSI */
---
base-commit: a06e89ab05eaa2b8344d521319399333cd760ae5
branch: for-upstream/mtd-gd55lb02gf-dual-read-v1
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [PATCH v1] mtd: spi-nor-ids: gd55lb02gf: add SPI_NOR_DUAL_READ
2026-09-25 1:14 [PATCH v1] mtd: spi-nor-ids: gd55lb02gf: add SPI_NOR_DUAL_READ Vincent Jardin
@ 2026-10-02 3:09 ` Takahiro.Kuwano
0 siblings, 0 replies; 2+ messages in thread
From: Takahiro.Kuwano @ 2026-10-02 3:09 UTC (permalink / raw)
To: vjardin, u-boot; +Cc: trini, vigneshr
> The GD55LB02GF supports Dual Output Fast Read and Dual IO Fast Read
> according to its datasheet, but its entry only declares the single
> and quad reads.
>
Please confirm the datasheet link [1] and add Link: tag followed by
the link if correct.
> Signed-off-by: Vincent Jardin <vjardin@free.fr>
>
> ---
>
> drivers/mtd/spi/spi-nor-ids.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
> index 31a2ba49a87..59247b3f4b9 100644
> --- a/drivers/mtd/spi/spi-nor-ids.c
> +++ b/drivers/mtd/spi/spi-nor-ids.c
> @@ -233,7 +233,8 @@ const struct flash_info spi_nor_ids[] = {
> },
> {
> INFO("gd55lb02gf", 0xc8601c, 0, 64 * 1024, 4096,
> - SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES)
> + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> + SPI_NOR_4B_OPCODES)
> },
> #endif
> #ifdef CONFIG_SPI_FLASH_ISSI /* ISSI */
> ---
> base-commit: a06e89ab05eaa2b8344d521319399333cd760ae5
> branch: for-upstream/mtd-gd55lb02gf-dual-read-v1
>
> --
> 2.43.0
Thanks,
Takahiro
[1] https://download.gigadevice.com/Datasheet/DS-01015-GD55LB02GF-Rev1.3.pdf
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-09-25 1:14 [PATCH v1] mtd: spi-nor-ids: gd55lb02gf: add SPI_NOR_DUAL_READ Vincent Jardin
2026-10-02 3:09 ` Takahiro.Kuwano
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