Add QPIC SPI NAND driver

From:		Md Sadre Alam <quic_mdalam-AT-quicinc.com>
To:		broonie-AT-kernel.org, robh-AT-kernel.org, krzk+dt-AT-kernel.org, conor+dt-AT-kernel.org, andersson-AT-kernel.org, konrad.dybcio-AT-linaro.org, miquel.raynal-AT-bootlin.com, richard-AT-nod.at, vigneshr-AT-ti.com, manivannan.sadhasivam-AT-linaro.org, esben-AT-geanix.com, linux-arm-msm-AT-vger.kernel.org, linux-spi-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, linux-mtd-AT-lists.infradead.org
Subject:		[PATCH v7 0/8] Add QPIC SPI NAND driver
Date:		Wed, 24 Jul 2024 17:12:17 +0530
Message-ID:		<20240724114225.2176448-1-quic_mdalam@quicinc.com>
Cc:		quic_mdalam-AT-quicinc.com, quic_varada-AT-quicinc.com, quic_srichara-AT-quicinc.com
Archive-link:		Article

v7:
 * Added read_oob() and write_oob() api
 * Added FIELD_PREP() in spi init
 * Made CONFIG_SPI_QPIC_SNAND and CONFIG_MTD_NAND_QCOM
   as bool type
 * Removed offset 0 in oob_ecc() layout
 * Handled multiple error condition

v6:
 * Added FIELD_PREP() and GENMASK() macro
 * Added qpic_spi_nand{..} structure for
   spi nand realted variables
 * Made qpic_common.c slectable based on
   either CONFIG_MTD_NAND_QCOM or CONFIG_SPI_QPIC_SNAND
 * Removed rawnand.h from qpic-common.h 
 * Removed partitions.h and rawnand.h form spi-qpic-snand.c
 * Added qcom_nand_unalloc() in remove()

v5:
 * Fixes nandbiterr issue
 * Added raw_read() and raw_write() API
 * Added qcom_ prefix to all the common API
 * Removed register indirection
 * Following tests for SPI-NAND devices passed

   - mtd_oobtest
   - mtd_pagetest
   - mtd_readtest
   - mtd_speedtest
   - mtd_stresstest
   - mtd_subpagetest
   - mtd_nandbiterrs
   - nandtest
   - nanddump
   - nandwrite
   - nandbiterr -i
   - mtd erase
   - mtd write
   - dd
   - hexddump

v4:
 * In this patch series fixes kernel doc for all the cmmon api
 * Also fixes dm-binding commit message
 * Fix qpic_common.c compilation based on config

v3:
 * In this patch series fixes multiple things like
   added clock-name, added _alloc_controller api instead
   of alloc_master, made common apis more generic etc.

 * Addressed all the comment from v2 patch series

v2:
 * https://lore.kernel.org/linux-arm-msm/20240215134856.1313...
 * In this series of patchs we have added basic working QPIC SPI NAND
   driver with READ, WRITE, ERASE etc functionality

 * Addressed all the comments given in RFC [v1] patch

v1:
 * https://lore.kernel.org/linux-arm-msm/20231031120307.1600...
 * Initial set of patches for handling QPIC SPI NAND.

Md Sadre Alam (8):
  spi: dt-bindings: Introduce qcom,spi-qpic-snand
  mtd: rawnand: qcom: cleanup qcom_nandc driver
  mtd: rawnand: qcom: Add qcom prefix to common api
  mtd: nand: Add qpic_common API file
  mtd: rawnand: qcom: use FIELD_PREP and GENMASK
  spi: spi-qpic: add driver for QCOM SPI NAND flash Interface
  arm64: dts: qcom: ipq9574: Add SPI nand support
  arm64: dts: qcom: ipq9574: Disable eMMC node

 .../bindings/spi/qcom,spi-qpic-snand.yaml     |   83 +
 .../boot/dts/qcom/ipq9574-rdp-common.dtsi     |   43 +
 arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts   |    2 +-
 arch/arm64/boot/dts/qcom/ipq9574.dtsi         |   27 +
 drivers/mtd/nand/Makefile                     |    8 +-
 drivers/mtd/nand/qpic_common.c                |  738 +++++++
 drivers/mtd/nand/raw/Kconfig                  |    2 +-
 drivers/mtd/nand/raw/qcom_nandc.c             | 1708 +++--------------
 drivers/spi/Kconfig                           |    8 +
 drivers/spi/Makefile                          |    1 +
 drivers/spi/spi-qpic-snand.c                  | 1638 ++++++++++++++++
 include/linux/mtd/nand-qpic-common.h          |  480 +++++
 12 files changed, 3318 insertions(+), 1420 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/spi/qcom,spi-qpic-snand.yaml
 create mode 100644 drivers/mtd/nand/qpic_common.c
 create mode 100644 drivers/spi/spi-qpic-snand.c
 create mode 100644 include/linux/mtd/nand-qpic-common.h

-- 
2.34.1