patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 7 Packages Projects Releases Wiki Activity

boards: xtensa: intel_s1000_crb: Enable SPI Master driver

Browse source 
patch enables SPI Master driver on intel_s1000_crb

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
This commit is contained in:
Savinay Dharmappa 2018-11-13 11:57:56 +05:30 committed by Anas Nashif
parent eddfd537d2
commit cf58f83dd6
5 changed files with 42 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
boards/xtensa/intel_s1000_crb/Kconfig.defconfig
View file

@ -60,6 +60,9 @@ config HEAP_MEM_POOL_SIZE
endif # DMA_CAVS
config SPI_DW_FIFO_DEPTH
default 32
if USB
config USB_DW
default y
@ -145,5 +148,14 @@ config GPIO_DW_0
endif
if SPI
config SPI_DW
def_bool y
config SPI_0
def_bool y
endif
endif # BOARD_INTEL_S1000_CRB

1
boards/xtensa/intel_s1000_crb/intel_s1000_crb_defconfig
View file

@ -32,4 +32,3 @@ CONFIG_SERIAL_HAS_DRIVER=y
CONFIG_SERIAL=y
CONFIG_UART_CONSOLE=y
CONFIG_UART_NS16550=y

7
drivers/spi/spi_dw.h
View file

@ -109,7 +109,12 @@ struct spi_dw_data {
#define DW_SPI_CTRLR0_SLV_OE_BIT (10)
#define DW_SPI_CTRLR0_SLV_OE BIT(DW_SPI_CTRLR0_SLV_OE_BIT)
#ifdef CONFIG_SOC_INTEL_S1000
#define DW_SPI_CTRLR0_TMOD_SHIFT (10)
#else
#define DW_SPI_CTRLR0_TMOD_SHIFT (8)
#endif
#define DW_SPI_CTRLR0_TMOD_TX_RX (0)
#define DW_SPI_CTRLR0_TMOD_TX (1 << DW_SPI_CTRLR0_TMOD_SHIFT)
#define DW_SPI_CTRLR0_TMOD_RX (2 << DW_SPI_CTRLR0_TMOD_SHIFT)
@ -119,7 +124,7 @@ struct spi_dw_data {
#define DW_SPI_CTRLR0_DFS_16(__bpw) ((__bpw) - 1)
#define DW_SPI_CTRLR0_DFS_32(__bpw) (((__bpw) - 1) << 16)
#ifdef CONFIG_ARC
#if defined(CONFIG_ARC) || defined(CONFIG_SOC_INTEL_S1000)
#define DW_SPI_CTRLR0_DFS DW_SPI_CTRLR0_DFS_16
#else
#define DW_SPI_CTRLR0_DFS DW_SPI_CTRLR0_DFS_32

11
dts/xtensa/intel_s1000.dtsi
View file

@ -109,5 +109,16 @@
status = "disabled";
};
spi0: spi@e000 {
compatible = "snps,designware-spi";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0000E000 0x400>;
interrupts = <7 0 0>;
interrupt-parent = <&dw_intc>;
label = "SPI_0";
};
};
};

13
soc/xtensa/intel_s1000/dts_fixup.h
View file

@ -46,4 +46,17 @@
#define DT_I2C_0_IRQ_FLAGS SNPS_DESIGNWARE_I2C_80400_IRQ_0_SENSE
#define CONFIG_I2C_0_IRQ_PRI SNPS_DESIGNWARE_I2C_80400_IRQ_0_PRIORITY
#define CONFIG_SPI_0_BASE_ADDRESS SNPS_DESIGNWARE_SPI_E000_BASE_ADDRESS
#define CONFIG_SPI_0_NAME SNPS_DESIGNWARE_SPI_E000_LABEL
#define CONFIG_SPI_0_IRQ ((SNPS_DESIGNWARE_SPI_E000_IRQ_0 << 16) | \
(SNPS_DESIGNWARE_INTC_81800_IRQ_0 << 8) | \
(INTEL_CAVS_INTC_78800_IRQ_0 << 0))
#define SPI_DW_IRQ_FLAGS SNPS_DESIGNWARE_SPI_E000_IRQ_0_SENSE
#define CONFIG_SPI_0_IRQ_PRI SNPS_DESIGNWARE_SPI_E000_IRQ_0_PRIORITY
/* End of SoC Level DTS fixup file */