[PATCH] mtd: spi-nor: Add support for Silicon Kaiser sk25lp128

[Jonas Karlman]

Add support for Silicon Kaiser sk25lp128 SPI NOR flash found in Pine64
PinePhone Pro and PineTab2.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
 drivers/mtd/spi/Kconfig       | 5 +++++
 drivers/mtd/spi/spi-nor-ids.c | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig
index a9617c6c58c1..4329b88520df 100644
--- a/drivers/mtd/spi/Kconfig
+++ b/drivers/mtd/spi/Kconfig
@@ -169,6 +169,11 @@ config SPI_FLASH_MACRONIX
 	help
 	  Add support for various Macronix SPI flash chips (MX25Lxxx)
 
+config SPI_FLASH_SILICONKAISER
+	bool "Silicon Kaiser SPI flash support"
+	help
+	  Add support for various Silicon Kaiser SPI flash chips (SK25Lxxx)
+
 config SPI_FLASH_SPANSION
 	bool "Spansion SPI flash support"
 	help
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index 458721598424..c461c1b928d2 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -286,6 +286,10 @@ const struct flash_info spi_nor_ids[] = {
 	{ INFO("mx25uw6345g",    0xc28437, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_OCTAL_DTR_READ | SPI_NOR_4B_OPCODES) },
 #endif
 
+#ifdef CONFIG_SPI_FLASH_SILICONKAISER
+	{ INFO("sk25lp128", 0x257018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+#endif
+
 #ifdef CONFIG_SPI_FLASH_STMICRO		/* STMICRO */
 	/* Micron */
 	{ INFO("n25q016a",	 0x20bb15, 0, 64 * 1024,   32, SECT_4K | SPI_NOR_QUAD_READ) },
-- 
2.41.0