linux-kernel - [PATCH] mtd: spi-nor: Add Puya Semiconductor chips driver

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Date: Mon, 26 Feb 2024 12:23:10 +0300
From: Dmitry Dunaev <dunaev@...on.ru>
To:
CC: <dunaich@...l.ru>, Dmitry Dunaev <dunaev@...on.ru>, Tudor Ambarus
	<tudor.ambarus@...aro.org>, Pratyush Yadav <pratyush@...nel.org>, Michael
 Walle <mwalle@...nel.org>, Miquel Raynal <miquel.raynal@...tlin.com>, Richard
 Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>,
	<linux-kernel@...r.kernel.org>, <linux-mtd@...ts.infradead.org>
Subject: [PATCH] mtd: spi-nor: Add Puya Semiconductor chips driver

Add a SPI NOR manufacturer driver for Puya Semiconductor chips

Signed-off-by: Dmitry Dunaev <dunaev@...on.ru>
---
 drivers/mtd/spi-nor/Makefile |  1 +
 drivers/mtd/spi-nor/puya.c   | 64 ++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 drivers/mtd/spi-nor/puya.c

diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile
index 5e68468b72fc..3e22039d0432 100644
--- a/drivers/mtd/spi-nor/Makefile
+++ b/drivers/mtd/spi-nor/Makefile
@@ -10,6 +10,7 @@ spi-nor-objs			+= intel.o
 spi-nor-objs			+= issi.o
 spi-nor-objs			+= macronix.o
 spi-nor-objs			+= micron-st.o
+spi-nor-objs			+= puya.o
 spi-nor-objs			+= spansion.o
 spi-nor-objs			+= sst.o
 spi-nor-objs			+= winbond.o
diff --git a/drivers/mtd/spi-nor/puya.c b/drivers/mtd/spi-nor/puya.c
new file mode 100644
index 000000000000..2198a9ed7101
--- /dev/null
+++ b/drivers/mtd/spi-nor/puya.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2024, Tecon MT LLC.
+ */
+
+#include <linux/mtd/spi-nor.h>
+
+#include "core.h"
+
+/* Puya Semiconductor (Shanghai) Co., Ltd */
+static const struct flash_info puya_nor_parts[] = {
+	{
+		.id = SNOR_ID(0x85, 0x60, 0x10),
+		.name = "p25q05h",
+		.size = SZ_64K,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x11),
+		.name = "p25q10h",
+		.size = SZ_128K,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x12),
+		.name = "p25q20h",
+		.size = SZ_256K,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x13),
+		.name = "p25q40h",
+		.size = SZ_512K,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x14),
+		.name = "p25q80h",
+		.size = SZ_1M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x15),
+		.name = "p25q16h",
+		.size = SZ_2M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x16),
+		.name = "p25q32h",
+		.size = SZ_4M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x17),
+		.name = "p25q64h",
+		.size = SZ_8M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x85, 0x60, 0x18),
+		.name = "p25q128h",
+		.size = SZ_8M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}
+};
+
+const struct spi_nor_manufacturer spi_nor_puya = {
+	.name = "puya",
+	.parts = puya_nor_parts,
+	.nparts = ARRAY_SIZE(puya_nor_parts),
+};
-- 
2.34.1