[U-Boot] [PATCH] generic_board: Call "checkboard" even though the root node has a "model" property

ayerscape 2085a QDS Board Board: LS2085E-QDS, Board Arch: V1, Board version: B, boot from vBank: 4 Signed-off-by: Haikun Wang --- common/board_info.c | 7 ++- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/common/board_info.c b/common/board_info.c index 42d0641..4e5a1f7 100644

[U-Boot] [PATCH 1/3] configs: ls2085aqds: Enable DSPI flash support for LS2085AQDS

From: Haikun Wang Enable DSPI flash related configurations. Signed-off-by: Haikun Wang --- include/configs/ls2085aqds.h | 9 + 1 file changed, 9 insertions(+) diff --git a/include/configs/ls2085aqds.h b/include/configs/ls2085aqds.h index e488ac8..bf5ea51 100644 --- a/include/configs

[U-Boot] [PATCH] defconfig: ls2085a: Enable FSL_DSPI, OF_CONTROL and DM support

Freescale DSPI driver has been converted to Driver Model. The new driver is depended on OF_CONTROL, DM, DM_SPI. This patch enable FSL_DSPI and its dependence configure options. Signed-off-by: Haikun Wang --- configs/ls2085aqds_defconfig | 7 +++ configs/ls2085ardb_defconfig | 7 +++ 2

[U-Boot] [PATCH 2/3] configs: ls2085ardb: Enable DSPI flash support for LS2085ARDB

From: Haikun Wang Enable DSPI flash related configurations for LS2085ARDB. Signed-off-by: Haikun Wang --- include/configs/ls2085ardb.h | 8 1 file changed, 8 insertions(+) diff --git a/include/configs/ls2085ardb.h b/include/configs/ls2085ardb.h index 600261e..8cd3bf7 100644 --- a

[U-Boot] [PATCH 5/5] sf: sf_dataflash: Update probing method of old chips which not support Device ID

iable status_byte. Signed-off-by: Haikun Wang --- drivers/mtd/spi/sf_dataflash.c | 226 +++-- 1 file changed, 107 insertions(+), 119 deletions(-) diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index 648f3ca..cd8d908 100644 --- a/dr

[U-Boot] [PATCH 3/5] sf: sf_dataflash: Remove CONFIG_SPI_DATAFLASH_WRITE_VERIFY option

Signed-off-by: Haikun Wang --- drivers/mtd/spi/sf_dataflash.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index 8f91527..6bf628b 100644 --- a/drivers/mtd/spi/sf_dataflash.c +++ b/drivers/mtd/spi/sf_dataflash.c @@ -371,7

[U-Boot] [PATCH 4/5] sf: sf_dataflash: Change the return value of jedec_probe to int

Signed-off-by: Haikun Wang --- drivers/mtd/spi/sf_dataflash.c | 28 +--- 1 file changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index 6bf628b..648f3ca 100644 --- a/drivers/mtd/spi/sf_dataflash.c

[U-Boot] [PATCH 2/5] sf: sf_dataflash: Add error handler when flash operate fail

Add error handler when write/erase flash fail. Signed-off-by: Haikun Wang --- drivers/mtd/spi/sf_dataflash.c | 30 ++ 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index f83f994..8f91527

[U-Boot] [PATCH 1/5] sf: sf_dataflash: Remove inline property of function dataflash_status

Signed-off-by: Haikun Wang --- drivers/mtd/spi/sf_dataflash.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index 3111f4f..f83f994 100644 --- a/drivers/mtd/spi/sf_dataflash.c +++ b/drivers/mtd/spi

[U-Boot] [PATCH v2] sf: update sst25wf040b flash params

From: Haikun Wang sst25wf040b doesn't support Auto Address Increment Programming command. Remove SST_WR flag. Signed-off-by: Haikun Wang --- Changes in V2: - Remove extra line drivers/mtd/spi/sf_params.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mt

[U-Boot] [PATCH 2/2] armv8: ls2085ardb: DSPI pin muxing configure through QIXIS CPLD

routing to on-board SPI memory. Otherwise will configure to SDHC. Enable DSPI in u-boot "hwconfig" using below command: setenv hwconfig "$hwconfig;dspi" Signed-off-by: Haikun Wang --- board/freescale/ls2085ardb/ls2085ardb.c | 47 + 1 file chang

[U-Boot] [PATCH 1/2] armv8: ls2085aqds: DSPI pin muxing configure through QIXIS

From: Haikun Wang DSPI has pin muxing with SDHC and other IPs, this patch check the value of RCW SPI_PCS_BASE and SPI_BASE_BASE fields, it also check the "hwconfig" configuration, if those pins are configured to DSPI and "hwconfig" enable DSPI, set the BRDCFG5 of QIXIS FPGA

[U-Boot] [PATCH] sf: update sst25wf040b flash params

From: Haikun Wang sst25wf040b doesn't support Auto Address Increment Programming command. Remove SST_WR flag. Signed-off-by: Haikun Wang --- drivers/mtd/spi/sf_params.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/spi/sf_params.c b/drivers/mt

[U-Boot] [PATCH] fdt: armv8: Fix build warnings on armv8

From: Haikun Wang Fix below build warnings on armv8, drivers/spi/fsl_dspi.c: In function ‘fsl_dspi_ofdata_to_platdata’: drivers/spi/fsl_dspi.c:667:2: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘fdt_addr_t’ [-Wformat=] debug("DSPI: regs=0x%x

[U-Boot] [PATCH] armv8: ls2085a: Enable DSPI get input clk form 'mxc_get_clock'

From: Haikun Wang Signed-off-by: Haikun Wang --- arch/arm/cpu/armv8/fsl-lsch3/speed.c| 2 ++ arch/arm/include/asm/arch-fsl-lsch3/clock.h | 1 + 2 files changed, 3 insertions(+) diff --git a/arch/arm/cpu/armv8/fsl-lsch3/speed.c b/arch/arm/cpu/armv8/fsl-lsch3/speed.c index cac4f92

[U-Boot] [PATCH 06/12] fdt: armv8: Fix build warnings on armv8

From: Haikun Wang Fix below build warnings on armv8, drivers/spi/fsl_dspi.c: In function ‘fsl_dspi_ofdata_to_platdata’: drivers/spi/fsl_dspi.c:667:2: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘fdt_addr_t’ [-Wformat=] debug("DSPI: regs=0x%x

[U-Boot] [PATCH 05/12] armv8: ls2085a: Enable DSPI get input clk form 'mxc_get_clock'

From: Haikun Wang Signed-off-by: Haikun Wang --- arch/arm/cpu/armv8/fsl-lsch3/speed.c| 2 ++ arch/arm/include/asm/arch-fsl-lsch3/clock.h | 1 + 2 files changed, 3 insertions(+) diff --git a/arch/arm/cpu/armv8/fsl-lsch3/speed.c b/arch/arm/cpu/armv8/fsl-lsch3/speed.c index cac4f92

[U-Boot] [PATCH 1/3] dm: dts: ls2085a: Bring in ls2085a dts files from linux kernel

From: Haikun Wang Bring in required device tree files for ls2085a from Linux. These are initially unchanged and have a number of pieces not needed by U-Boot. Signed-off-by: Haikun Wang --- arch/arm/dts/fsl-ls2085a.dtsi | 120 ++ 1 file changed, 120

[U-Boot] [PATCH 3/3] dm: dts: ls2085a: Add dts files for LS2085AQDS and LS2085ARDB

From: Haikun Wang Add dts source files for LS2085AQDS and LS2085ARDB boards. Signed-off-by: Haikun Wang --- arch/arm/dts/Makefile| 2 ++ arch/arm/dts/fsl-ls2085a-qds.dts | 53 arch/arm/dts/fsl-ls2085a-rdb.dts | 35

[U-Boot] [PATCH 2/3] dm: dts: ls2085a: Add DSPI dts node

From: Haikun Wang Add DSPI controller dts node in fsl-ls2085a.dtsi Signed-off-by: Haikun Wang --- arch/arm/dts/fsl-ls2085a.dtsi | 9 + 1 file changed, 9 insertions(+) diff --git a/arch/arm/dts/fsl-ls2085a.dtsi b/arch/arm/dts/fsl-ls2085a.dtsi index f0679a8..96404c5 100644 --- a/arch

[U-Boot] [PATCH v2 5/5] armv7: ls1021a: Enable OF_CONTROL and DM support for DSPI and QSPI in defconfig

DSPI and QSPI only work when boot from QSPI on ls1021a. This patch only enable options in qspi boot defconfig. Signed-off-by: Haikun Wang --- Changes in v2: - Add this defconfig patch to previous dataflash driver patches series Test log on LS1021AQDS: => sf probe 1:0 SPI DataFlash: Detec

[U-Boot] [PATCH v4 3/5] arm: ls102xa: Enable Driver Model SPI for ls1021aqds

Enable Driver Model SPI for ls1021aqds board. DSPI and QSPI is enabled only when boot from QSPI. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang --- Changes in v4: - Add defconfig patch in this series Changes in v3: - Remove CONFIG_SPI_FLASH_ATMEL - IS_ENABLED

[U-Boot] [PATCH v2 2/5] dm: ls1021aqds: dts: Use "spi_dataflash" driver instead of "spi_flash_std" for DSPI flash

The type of DSPI flash on ls1021aqds is AT45DB021, it has specail commands and page-size. Use the special spi flash driver instead of "spi_flash_std" driver. Signed-off-by: Haikun Wang --- Changes in v2: - Add defconfig patch in this series arch/arm/dts/ls1021a-qds.dts | 2 +- 1 fi

[U-Boot] [PATCH v4 4/5] arm: ls102xa: Enable Driver Model SPI for ls1021atwr

From: Haikun Wang Enable Driver Model SPI for ls1021atwr board. DSPI and QSPI only be enabled when boot from QSPI. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang Change-Id: I6342807da7725ae8b678952117c8758c75a61d3d Reviewed-on: http://git.am.freescale.net:8181

[U-Boot] [PATCH v6 1/5] dm: sf: Add Atmel DataFlash spi flash driver

000 42000 Total of 270336 byte(s) were the same Signed-off-by: Haikun Wang --- Verified with AT45DB021B on LS1021AQDS. Changes in v6: - Add defconfig patch in this series Changes in v5: - Change CONFIG_DM_SF_DATAFLASH to CONFIG_SF_DATAFLASH Changes in v4: - Use dev_get_priv and dev_get_uclass_p

[U-Boot] [PATCH] armv7: ls1021a: Enable OF_CONTROL and DM support for DSPI and QSPI in defconfig

DSPI and QSPI only work when boot from QSPI on ls1021a. This patch only enable options in qspi boot defconfig. Signed-off-by: Haikun Wang --- configs/ls1021aqds_qspi_defconfig | 4 configs/ls1021atwr_qspi_defconfig | 4 2 files changed, 8 insertions(+) diff --git a/configs

[U-Boot] [PATCH v2] arm: ls102xa: Enable CONFIG_DEFAULT_DEVICE_TREE to defconfig for ls1021a

QSPI. Signed-off-by: Haikun Wang --- Changes in v2: - Enable CONFIG_OF_CONTROL - Using the savedefconfig feature - Only Changeing the defconfig when boot from QSPI Changes in v1: None configs/ls1021aqds_qspi_defconfig | 2 ++ configs/ls1021atwr_qspi_defconfig | 2 ++ 2 files changed, 4 insertions

[U-Boot] [PATCH v3 4/4] arm: ls102xa: Enable Driver Model SPI for ls1021atwr

From: Haikun Wang Enable Driver Model SPI for ls1021atwr board. DSPI and QSPI only be enabled when boot from QSPI. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang Change-Id: I6342807da7725ae8b678952117c8758c75a61d3d Reviewed-on: http://git.am.freescale.net:8181

[U-Boot] [PATCH v3 3/4] arm: ls102xa: Enable Driver Model SPI for ls1021aqds

Enable Driver Model SPI for ls1021aqds board. DSPI and QSPI is enabled only when boot from QSPI. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang --- Changes in v3: - Remove CONFIG_SPI_FLASH_ATMEL - IS_ENABLED(CONFIG_XXX) is only work with configure option in

[U-Boot] [PATCH v5 1/4] dm: sf: Add Atmel DataFlash spi flash driver

000 42000 Total of 270336 byte(s) were the same Signed-off-by: Haikun Wang --- Verified with AT45DB021B on LS1021AQDS. Changes in v5: - Change CONFIG_DM_SF_DATAFLASH to CONFIG_SF_DATAFLASH Changes in v4: - Use dev_get_priv and dev_get_uclass_priv - Add test log to commit message Changes in v3

[U-Boot] [PATCH v1 2/4] dm: ls1021aqds: dts: Use "spi_dataflash" driver instead of "spi_flash_std" for DSPI flash

The type of DSPI flash on ls1021aqds is AT45DB021, it has specail commands and page-size. Use the special spi flash driver instead of "spi_flash_std" driver. Signed-off-by: Haikun Wang --- arch/arm/dts/ls1021a-qds.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git

[U-Boot] [PATCH v4] dm: sf: Add Atmel DataFlash spi flash driver

000 42000 Total of 270336 byte(s) were the same Signed-off-by: Haikun Wang --- Verified with AT45DB021B on LS1021AQDS. Changes in v4: - Use dev_get_priv and dev_get_uclass_priv - Add test log to commit message Changes in v3: - 1. Rename file spi_dataflash.c to sf_dataflash.c - 2. Add

[U-Boot] [PATCH v2] dm: sf: Update default name of spi flash in structure udevice

Default name of spi flash like this "0:0", update it to "spi_flash@0:0". Signed-off-by: Haikun Wang --- Changes in v2: - Increase the size of array "name" to 30 Changes in v1: None drivers/mtd/spi/sf-uclass.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletion

[U-Boot] [PATCH v3] dm: sf: Add Atmel DataFlash spi flash driver

Atmel DataFlash chips have commands different from common spi flash commands. Atmel DataFlash also have special page-size. This driver add support for accessing Atmel DataFlash. It is based on the Driver Model. Signed-off-by: Haikun Wang --- Verified with AT45DB021B. Changes in v3: - 1. Rename

[U-Boot] [PATCH v1 2/2] dm: sf: Update default name of spi flash in structure udevice

Default name of spi flash like this "0:0", update it to "spi_flash@0:0". Signed-off-by: Haikun Wang --- drivers/mtd/spi/sf-uclass.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/spi/sf-uclass.c b/drivers/mtd/spi/sf-uclass.c index 4b25902..

[U-Boot] [PATCH v1 1/2] cmd_sf: Add command "sf info" to show current device info

Add command "sf info" to show the information of the current SPI flash device. Signed-off-by: Haikun Wang --- In current sf driver, we show the debug information during the flash probe period. In case of without DM SPI, we need to run command "sf probe" to get the debu

[U-Boot] [PATCH v2] dm: sf: Add Atmel DataFlash spi flash driver

Atmel DataFlash chips have commands different from common spi flash commands. Atmel DataFlash also have special page-size. This driver add support for accessing Atmel DataFlash. It is based on the Driver Model. Signed-off-by: Haikun Wang --- Verified with AT45DB021B. Changes in v2: - 1. Correct

[U-Boot] [PATCH 3/3 v2] arm: ls102xa: Enable Driver Model SPI for ls1021atwr

Enable Driver Model SPI for ls1021atwr board. DSPI and QSPI only be enabled when boot from QSPI. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang --- Changes in v2: - Move all changes inside of CONFIG_QSPI_BOOT Changes in v1: None include/configs/ls1021atwr.h

[U-Boot] [PATCH 2/3 v2] arm: ls102xa: Enable Driver Model SPI for ls1021aqds

Enable Driver Model SPI for ls1021aqds board. DSPI and QSPI is enabled only when boot from QSPI. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang --- Changes in v2: - Move all changes inside of CONFIG_QSPI_BOOT Changes in v1: None include/configs/ls1021aqds.h

[U-Boot] [PATCH v1] dm: sf: Add Atmel DataFlash spi flash driver

Atmel DataFlash chips have commands different from common spi flash commands. Atmel DataFlash also have special page-size. This driver add support for accessing Atmel DataFlash. It is based on the Driver Model. Signed-off-by: Haikun Wang --- drivers/mtd/spi/Makefile| 1 + drivers/mtd

[U-Boot] [PATCH v2] dm: spi: Convert Freescale QSPI driver to driver model

Move the Freescale QSPI driver over to driver model. Signed-off-by: Haikun Wang Signed-off-by: Peng Fan --- Changes in v2: - Fix build fail on mx6sxsabresd_spl issue - Add configure regmap endian in NO-DM model Changes in v1: None. drivers/spi/fsl_qspi.c | 985

[U-Boot] [PATCH 3/3 v1] arm: ls102xa: Enable Driver Model SPI for ls1021atwr

From: Haikun Wang Enable Driver Model SPI for ls1021atwr board. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang --- include/configs/ls1021atwr.h | 11 ++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/include/configs/ls1021atwr.h b

[U-Boot] [PATCH 1/3 v1] arm: ls102xa: Enable CONFIG_DEFAULT_DEVICE_TREE to defconfig for ls1021a

Define CONFIG_DEFAULT_DEVICE_TREE for ls1021a series boards. Signed-off-by: Haikun Wang --- configs/ls1021aqds_ddr4_nor_defconfig| 1 + configs/ls1021aqds_nand_defconfig| 1 + configs/ls1021aqds_nor_SECURE_BOOT_defconfig | 1 + configs/ls1021aqds_nor_defconfig

[U-Boot] [PATCH 2/3 v1] arm: ls102xa: Enable Driver Model SPI for ls1021aqds

From: Haikun Wang Enable Driver Model SPI for ls1021aqds board. DSPI and QSPI are compatible under Driver Model SPI. Signed-off-by: Haikun Wang --- include/configs/ls1021aqds.h | 14 +- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/include/configs/ls1021aqds.h b

[U-Boot] [PATCH 2/2 v1] sf: Update AT45DB021D flash chip parameters

From: Haikun Wang AT45DB021D flash size is 1024*page_size, page_size is 256bytes or 264bytes. In current params_table its size is 64*1024*8, recorrect it. Add AT45DB_CMD flag for AT45DB021D. Signed-off-by: Haikun Wang --- Changes in v1: None drivers/mtd/spi/sf_params.c | 3 ++- 1 file

[U-Boot] [PATCH 1/2 v1] sf: probe: Add support Atmel AT45DB series devices special commands

From: Haikun Wang Atmel AT45DB series devices commands is different from common spi flash commands. This patch add support for AT45DB special commands. Add a flag AT45DB_CMD to control whether use those commands. Signed-off-by: Haikun Wang --- Changes in v1: None drivers/mtd/spi

[U-Boot] [PATCH 2/5 v2] dm: ls1021a: Bring in ls1021a dts files from linux kernel

From: haikun Bring in required device tree files for ls1021a from Linux. These are initially unchanged and have a number of pieces not needed by U-Boot. Signed-off-by: Haikun Wang --- Changes in v2: - Use CONFIG_LS102XA in arch/arm/dts/Makefile Changes in v1: None arch/arm/dts/Makefile

[U-Boot] [PATCH v3] dm: spi: Convert Freescale DSPI driver to driver model

Move the Freescale DSPI driver over to driver model. Signed-off-by: Haikun Wang --- Changes in v3: - Coding style cleanup - Remove cur_slave_plat in structure fsl_dspi_priv - Change arguments of 'claim_bus' and 'release_bus' - Remove 'fsl_dspi_child_post_remove'

[U-Boot] [PATCH 5/5 v1] dm: ls1021a: dts: Add QSPI dts node

Add QSPI controller dts node in ls1021a.dtsi. Add QSPI slave device dts node in ls1021a-twr.dts and ls1021a-qds.dts. Signed-off-by: Haikun Wang --- arch/arm/dts/ls1021a-qds.dts | 14 ++ arch/arm/dts/ls1021a-twr.dts | 14 ++ arch/arm/dts/ls1021a.dtsi| 11

[U-Boot] [PATCH 4/5 v1] dm: ls1021a: dts: Update DSPI node to support DM SPI

Update DSPI controller node in ls1021a.dtsi. Update flash device node in ls1021a-qds.dts. Ls1021a-twr board doesn't support DSPI, so remove DSPI node in ls1021a-twr.dts. Signed-off-by: Haikun Wang --- arch/arm/dts/ls1021a-qds.dts | 3 ++- arch/arm/dts/ls1021a-twr.dts | 15 ---

[U-Boot] [PATCH 3/5 v1] dm: ls1021a: dts: Change address_cells and size_cells from 2 to 1

ement now and u-boot fdtdec_get_xxx interfaces can't support property whose size is 'u64' completely. So make this change. Signed-off-by: Haikun Wang --- arch/arm/dts/ls1021a-qds.dts | 6 ++-- arch/arm/dts/ls1021a-twr.dts | 2 +- arch/arm/dts/ls1021a.dtsi| 72 +

[U-Boot] [PATCH 2/5] dm: ls1021a: Bring in ls1021a dts files from linux kernel

From: haikun Bring in required device tree files for ls1021a from Linux. These are initially unchanged and have a number of pieces not needed by U-Boot. Signed-off-by: Haikun Wang --- arch/arm/dts/Makefile| 3 + arch/arm/dts/ls1021a-qds.dts | 201 +++ arch/arm

[U-Boot] [PATCH 1/5 v1] dm: arm: Bring in skeleton64 device tree file from Linux

Backport of kernel commits: 7c14f6c719de092d69c81877786e83ce7ae1a860 35faad2a1563b3d4dc983a82ac41033fe053870c Signed-off-by: Haikun Wang --- arch/arm/dts/skeleton64.dtsi | 13 + 1 file changed, 13 insertions(+) create mode 100644 arch/arm/dts/skeleton64.dtsi diff

[U-Boot] [PATCH] dm: ls1021a: Bring in ls1021a dts files from linux kernel

cells and size-cells of root node and 'soc' node from 2 to 1. 4. Add quadspi node. Signed-off-by: Haikun Wang --- arch/arm/dts/Makefile| 3 + arch/arm/dts/ls1021a-qds.dts | 47 arch/arm/dts/ls1021a-twr.dts | 31 + arch

[U-Boot] [PATCH v1] dm: spi: Convert Freescale QSPI driver to driver model

Move the Freescale QSPI driver over to driver model. Signed-off-by: Haikun Wang Signed-off-by: Peng Fan --- This patch adds DM support for FSL QSPI driver. Now this driver can support both DM frame and old SPI frame. Driver structure like below: QSPI driver common code #ifndef CONFIG_DM_SPI

[U-Boot] [PATCH v2] dm: spi: Convert Freescale DSPI driver to driver model

Move the Freescale DSPI driver over to driver model. Signed-off-by: Haikun Wang --- Changes in v2: - Coding style cleanup - Add some comments - Use structures for I/O access - Handle timeout case in 'dspi_tx' and 'dspi_rx'