From: Boris Brezillon <boris.brezillon@bootlin.com>
To: David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Boris Brezillon <boris.brezillon@bootlin.com>,
Marek Vasut <marek.vasut@gmail.com>,
Richard Weinberger <richard@nod.at>,
linux-mtd@lists.infradead.org,
Yogesh Gaur <yogeshnarayan.gaur@nxp.com>,
Vignesh R <vigneshr@ti.com>,
Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Cc: Julien Su <juliensu@mxic.com.tw>, Mark Brown <broonie@kernel.org>,
Mason Yang <masonccyang@mxic.com.tw>,
linux-spi@vger.kernel.org, zhengxunli@mxic.com.tw
Subject: [PATCH RFC 17/18] mtd: spi-nor: Add 8D-8D-8D mode
Date: Fri, 12 Oct 2018 10:48:24 +0200 [thread overview]
Message-ID: <20181012084825.23697-18-boris.brezillon@bootlin.com> (raw)
In-Reply-To: <20181012084825.23697-1-boris.brezillon@bootlin.com>
Add the full octo+dtr mode.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
---
drivers/mtd/spi-nor/spi-nor.c | 4 ++++
include/linux/mtd/spi-nor.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 849ba0a1c157..d961e3a7b500 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -77,6 +77,7 @@ enum spi_nor_read_command_index {
SNOR_CMD_READ_1_8_8,
SNOR_CMD_READ_8_8_8,
SNOR_CMD_READ_1_8D_8D,
+ SNOR_CMD_READ_8D_8D_8D,
SNOR_CMD_READ_MAX
};
@@ -93,6 +94,7 @@ enum spi_nor_pp_command_index {
SNOR_CMD_PP_1_1_8,
SNOR_CMD_PP_1_8_8,
SNOR_CMD_PP_8_8_8,
+ SNOR_CMD_PP_8D_8D_8D,
SNOR_CMD_PP_MAX
};
@@ -3021,6 +3023,7 @@ static int spi_nor_hwcaps_read2cmd(u32 hwcaps)
{ SNOR_HWCAPS_READ_1_8_8, SNOR_CMD_READ_1_8_8 },
{ SNOR_HWCAPS_OPI, SNOR_CMD_READ_8_8_8 },
{ SNOR_HWCAPS_READ_1_8D_8D, SNOR_CMD_READ_1_8D_8D },
+ { SNOR_HWCAPS_OPI_FULL_DTR, SNOR_CMD_READ_8D_8D_8D },
};
return spi_nor_hwcaps2cmd(hwcaps, hwcaps_read2cmd,
@@ -3037,6 +3040,7 @@ static int spi_nor_hwcaps_pp2cmd(u32 hwcaps)
{ SNOR_HWCAPS_PP_1_1_8, SNOR_CMD_PP_1_1_8 },
{ SNOR_HWCAPS_PP_1_8_8, SNOR_CMD_PP_1_8_8 },
{ SNOR_HWCAPS_OPI, SNOR_CMD_PP_8_8_8 },
+ { SNOR_HWCAPS_OPI_FULL_DTR, SNOR_CMD_PP_8D_8D_8D },
};
return spi_nor_hwcaps2cmd(hwcaps, hwcaps_pp2cmd,
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 3735d1a0fd0d..930fc14a7c1e 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -209,6 +209,7 @@ enum spi_nor_protocol {
SNOR_PROTO_1_2D_2D = SNOR_PROTO_1_XD_XD(2),
SNOR_PROTO_1_4D_4D = SNOR_PROTO_1_XD_XD(4),
SNOR_PROTO_1_8D_8D = SNOR_PROTO_1_XD_XD(8),
+ SNOR_PROTO_8D_8D_8D = SNOR_PROTO_XD_XD_XD(8),
};
static inline bool spi_nor_protocol_inst_is_dtr(enum spi_nor_protocol proto)
--
2.14.1
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next prev parent reply other threads:[~2018-10-12 8:48 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-12 8:48 [PATCH RFC 00/18] mtd: spi-nor: Proposal for 8-8-8 mode support Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 01/18] mtd: spi-nor: Add a flash_info entry for Macronix mx25uw51245g Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 02/18] spi: Prepare things for octo mode support Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 03/18] spi: spi-mem: Prepare things for DTR " Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 04/18] spi: spi-mem: Prepare things for dual bytes opcodes support Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 05/18] spi: spi-mem: mxic: Add support for DTR and Octo mode Boris Brezillon
2018-11-18 17:21 ` Miquel Raynal
2018-11-18 17:32 ` Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 06/18] mtd: spi-nor: Move m25p80 code in spi-nor.c Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 07/18] mtd: spi-nor: Rework hwcaps selection for the spi-mem case Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 08/18] mtd: spi-nor: Define the DPI, QPI and OPI hwcaps Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 09/18] mtd: spi-nor: Add spi_nor_{read, write}_reg() helpers Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 10/18] mtd: spi-nor: Add support for X-X-X modes Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 11/18] mtd: spi-nor: Prepare things for 2byte opcodes Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 12/18] mtd: spi-nor: Provide a hook to tweak flash parameters Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 13/18] mtd: spi-nor: Add 8-8-8 mode support to Macronix mx25uw51245g Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 14/18] mtd: spi-nor: Clarify where DTR mode applies Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 15/18] mtd: spi-nor: Add DTR support to the spi-mem logic Boris Brezillon
2018-10-12 8:48 ` [PATCH RFC 16/18] mtd: spi-nor: Add the concept of full DTR modes Boris Brezillon
2018-10-12 8:48 ` Boris Brezillon [this message]
2018-10-12 8:48 ` [PATCH RFC 18/18] mtd: spi-nor: Make sure the 8D-8D-8D can be selected on mx25uw51245g Boris Brezillon
[not found] ` <OF300145A1.D60E7B33-ON48258376.002EDC4B-48258376.0031A14C@LocalDomain>
[not found] ` <OF3005248A.454B9B59-ON48258382.002767AE-48258382.00293E8D@mxic.com.tw>
2019-01-14 8:39 ` Boris Brezillon
2018-10-19 12:25 ` [PATCH RFC 00/18] mtd: spi-nor: Proposal for 8-8-8 mode support Mark Brown
2018-10-19 12:59 ` Boris Brezillon
2018-10-21 13:36 ` Mark Brown
2018-10-22 8:21 ` Boris Brezillon
2018-10-22 12:01 ` Mark Brown
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