davinci_spi now support dt along with platform data, respective boards need to switch into dm for the same.
Cc: Adam Ford <aford...@gmail.com> Cc: Vitaly Andrianov <vita...@ti.com> Cc: Stefano Babic <sba...@denx.de> Cc: Peter Howard <phow...@gme.net.au> Cc: Tom Rini <tr...@konsulko.com> Signed-off-by: Jagan Teki <ja...@amarulasolutions.com> --- Makefile | 9 +++ drivers/spi/Makefile | 2 +- drivers/spi/davinci_spi.c | 157 -------------------------------------- drivers/spi/spi.c | 38 +++++++++ 4 files changed, 48 insertions(+), 158 deletions(-) diff --git a/Makefile b/Makefile index 552687db53..d06cb5c287 100644 --- a/Makefile +++ b/Makefile @@ -917,6 +917,15 @@ ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y) @echo "(possibly in a subsequent patch in your series)" @echo "before sending patches to the mailing list." @echo "====================================================" +endif +ifeq ($(CONFIG_DM_SPI),) +ifeq ($(CONFIG_DAVINCI_SPI),y) + @echo "===================== WARNING ======================" + @echo "This board uses SPI driver from drivers/spi/ without" + @echo "enabling CONFIG_DM_SPI. Please enable CONFIG_DM_SPI" + @echo "otherwise SPI on this board, cannot work." + @echo "====================================================" +endif endif @# Check that this build does not use CONFIG options that we do not @# know about unless they are in Kconfig. All the existing CONFIG diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 7242ea7e40..cf5a5cccc0 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -6,6 +6,7 @@ # There are many options which enable SPI, so make this library available ifdef CONFIG_DM_SPI obj-y += spi-uclass.o +obj-$(CONFIG_DAVINCI_SPI) += davinci_spi.o obj-$(CONFIG_SANDBOX) += spi-emul-uclass.o obj-$(CONFIG_SOFT_SPI) += soft_spi.o obj-$(CONFIG_SPI_MEM) += spi-mem.o @@ -22,7 +23,6 @@ obj-$(CONFIG_BCM63XX_SPI) += bcm63xx_spi.o obj-$(CONFIG_BCMSTB_SPI) += bcmstb_spi.o obj-$(CONFIG_CADENCE_QSPI) += cadence_qspi.o cadence_qspi_apb.o obj-$(CONFIG_CF_SPI) += cf_spi.o -obj-$(CONFIG_DAVINCI_SPI) += davinci_spi.o obj-$(CONFIG_DESIGNWARE_SPI) += designware_spi.o obj-$(CONFIG_EXYNOS_SPI) += exynos_spi.o obj-$(CONFIG_FSL_DSPI) += fsl_dspi.o diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c index 4d2c106440..c1646f6cdc 100644 --- a/drivers/spi/davinci_spi.c +++ b/drivers/spi/davinci_spi.c @@ -52,41 +52,6 @@ /* SPIDEF */ #define SPIDEF_CSDEF0_MASK BIT(0) -#ifndef CONFIG_DM_SPI -#define SPI0_BUS 0 -#define SPI0_BASE CONFIG_SYS_SPI_BASE -/* - * Define default SPI0_NUM_CS as 1 for existing platforms that uses this - * driver. Platform can configure number of CS using CONFIG_SYS_SPI0_NUM_CS - * if more than one CS is supported and by defining CONFIG_SYS_SPI0. - */ -#ifndef CONFIG_SYS_SPI0 -#define SPI0_NUM_CS 1 -#else -#define SPI0_NUM_CS CONFIG_SYS_SPI0_NUM_CS -#endif - -/* - * define CONFIG_SYS_SPI1 when platform has spi-1 device (bus #1) and - * CONFIG_SYS_SPI1_NUM_CS defines number of CS on this bus - */ -#ifdef CONFIG_SYS_SPI1 -#define SPI1_BUS 1 -#define SPI1_NUM_CS CONFIG_SYS_SPI1_NUM_CS -#define SPI1_BASE CONFIG_SYS_SPI1_BASE -#endif - -/* - * define CONFIG_SYS_SPI2 when platform has spi-2 device (bus #2) and - * CONFIG_SYS_SPI2_NUM_CS defines number of CS on this bus - */ -#ifdef CONFIG_SYS_SPI2 -#define SPI2_BUS 2 -#define SPI2_NUM_CS CONFIG_SYS_SPI2_NUM_CS -#define SPI2_BASE CONFIG_SYS_SPI2_BASE -#endif -#endif - DECLARE_GLOBAL_DATA_PTR; /* davinci spi register set */ @@ -119,9 +84,6 @@ struct davinci_spi_regs { /* davinci spi slave */ struct davinci_spi_slave { -#ifndef CONFIG_DM_SPI - struct spi_slave slave; -#endif struct davinci_spi_regs *regs; unsigned int freq; /* current SPI bus frequency */ unsigned int mode; /* current SPI mode used */ @@ -343,124 +305,6 @@ out: return 0; } -#ifndef CONFIG_DM_SPI - -static inline struct davinci_spi_slave *to_davinci_spi(struct spi_slave *slave) -{ - return container_of(slave, struct davinci_spi_slave, slave); -} - -int spi_cs_is_valid(unsigned int bus, unsigned int cs) -{ - int ret = 0; - - switch (bus) { - case SPI0_BUS: - if (cs < SPI0_NUM_CS) - ret = 1; - break; -#ifdef CONFIG_SYS_SPI1 - case SPI1_BUS: - if (cs < SPI1_NUM_CS) - ret = 1; - break; -#endif -#ifdef CONFIG_SYS_SPI2 - case SPI2_BUS: - if (cs < SPI2_NUM_CS) - ret = 1; - break; -#endif - default: - /* Invalid bus number. Do nothing */ - break; - } - return ret; -} - -void spi_cs_activate(struct spi_slave *slave) -{ - /* do nothing */ -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - /* do nothing */ -} - -struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int mode) -{ - struct davinci_spi_slave *ds; - - if (!spi_cs_is_valid(bus, cs)) - return NULL; - - ds = spi_alloc_slave(struct davinci_spi_slave, bus, cs); - if (!ds) - return NULL; - - switch (bus) { - case SPI0_BUS: - ds->regs = (struct davinci_spi_regs *)SPI0_BASE; - break; -#ifdef CONFIG_SYS_SPI1 - case SPI1_BUS: - ds->regs = (struct davinci_spi_regs *)SPI1_BASE; - break; -#endif -#ifdef CONFIG_SYS_SPI2 - case SPI2_BUS: - ds->regs = (struct davinci_spi_regs *)SPI2_BASE; - break; -#endif - default: /* Invalid bus number */ - return NULL; - } - - ds->freq = max_hz; - ds->mode = mode; - - return &ds->slave; -} - -void spi_free_slave(struct spi_slave *slave) -{ - struct davinci_spi_slave *ds = to_davinci_spi(slave); - - free(ds); -} - -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, - const void *dout, void *din, unsigned long flags) -{ - struct davinci_spi_slave *ds = to_davinci_spi(slave); - - ds->cur_cs = slave->cs; - - return __davinci_spi_xfer(ds, bitlen, dout, din, flags); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - struct davinci_spi_slave *ds = to_davinci_spi(slave); - -#ifdef CONFIG_SPI_HALF_DUPLEX - ds->half_duplex = true; -#else - ds->half_duplex = false; -#endif - return __davinci_spi_claim_bus(ds, ds->slave.cs); -} - -void spi_release_bus(struct spi_slave *slave) -{ - struct davinci_spi_slave *ds = to_davinci_spi(slave); - - __davinci_spi_release_bus(ds); -} - -#else static int davinci_spi_set_speed(struct udevice *bus, uint max_hz) { struct davinci_spi_slave *ds = dev_get_priv(bus); @@ -579,4 +423,3 @@ U_BOOT_DRIVER(davinci_spi) = { .ops = &davinci_spi_ops, .priv_auto_alloc_size = sizeof(struct davinci_spi_slave), }; -#endif diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 22910de0dd..4d1ade797b 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -38,3 +38,41 @@ void *spi_do_alloc_slave(int offset, int size, unsigned int bus, return ptr; } + +/** + * These are non-dm spi core operations, will remove once all driver + * converted into full driver model. + */ +__weak void spi_cs_activate(struct spi_slave *slave) +{ +} + +__weak void spi_cs_deactivate(struct spi_slave *slave) +{ +} + +__weak struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, + unsigned int mode) +{ + return NULL; +} + +__weak void spi_free_slave(struct spi_slave *slave) +{ +} + +__weak int spi_xfer(struct spi_slave *slave, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) +{ + return 0; +} + +__weak int spi_claim_bus(struct spi_slave *slave) +{ + return 0; +} + +__weak void spi_release_bus(struct spi_slave *slave) +{ +} -- 2.18.0.321.gffc6fa0e3 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot