diff options
| author | Tom Rini <trini@konsulko.com> | 2025-01-22 09:52:38 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2025-01-22 11:21:58 -0600 |
| commit | 380b32f54f4b30f6f9b430c5d73d8b12f90f2918 (patch) | |
| tree | 83ab37920ae64c1e9f58a1bdd8e6b64756c52e55 /drivers/spi/atmel_spi.h | |
| parent | 154c0ab389cb7725d07e5a653c9a25f1bbdef965 (diff) | |
| parent | 1d6d6c16b9b1e3442065448aa6215ce1316dc476 (diff) | |
Merge patch series "spi: Collected fixes"
Alexander Dahl <ada@thorsis.com> says:
Hello,
two patches for header issues I came across when working on (Q)SPI
drivers for atmel boards.
Link: https://lore.kernel.org/r/20250115161621.1551826-1-ada@thorsis.com
Diffstat (limited to 'drivers/spi/atmel_spi.h')
| -rw-r--r-- | drivers/spi/atmel_spi.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/drivers/spi/atmel_spi.h b/drivers/spi/atmel_spi.h deleted file mode 100644 index 9663cca5e66..00000000000 --- a/drivers/spi/atmel_spi.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Register definitions for the Atmel AT32/AT91 SPI Controller - */ - -/* Register offsets */ -#include <linux/bitops.h> -#define ATMEL_SPI_CR 0x0000 -#define ATMEL_SPI_MR 0x0004 -#define ATMEL_SPI_RDR 0x0008 -#define ATMEL_SPI_TDR 0x000c -#define ATMEL_SPI_SR 0x0010 -#define ATMEL_SPI_IER 0x0014 -#define ATMEL_SPI_IDR 0x0018 -#define ATMEL_SPI_IMR 0x001c -#define ATMEL_SPI_CSR(x) (0x0030 + 4 * (x)) -#define ATMEL_SPI_VERSION 0x00fc - -/* Bits in CR */ -#define ATMEL_SPI_CR_SPIEN BIT(0) -#define ATMEL_SPI_CR_SPIDIS BIT(1) -#define ATMEL_SPI_CR_SWRST BIT(7) -#define ATMEL_SPI_CR_LASTXFER BIT(24) - -/* Bits in MR */ -#define ATMEL_SPI_MR_MSTR BIT(0) -#define ATMEL_SPI_MR_PS BIT(1) -#define ATMEL_SPI_MR_PCSDEC BIT(2) -#define ATMEL_SPI_MR_FDIV BIT(3) -#define ATMEL_SPI_MR_MODFDIS BIT(4) -#define ATMEL_SPI_MR_WDRBT BIT(5) -#define ATMEL_SPI_MR_LLB BIT(7) -#define ATMEL_SPI_MR_PCS(x) (((x) & 15) << 16) -#define ATMEL_SPI_MR_DLYBCS(x) ((x) << 24) - -/* Bits in RDR */ -#define ATMEL_SPI_RDR_RD(x) (x) -#define ATMEL_SPI_RDR_PCS(x) ((x) << 16) - -/* Bits in TDR */ -#define ATMEL_SPI_TDR_TD(x) (x) -#define ATMEL_SPI_TDR_PCS(x) ((x) << 16) -#define ATMEL_SPI_TDR_LASTXFER BIT(24) - -/* Bits in SR/IER/IDR/IMR */ -#define ATMEL_SPI_SR_RDRF BIT(0) -#define ATMEL_SPI_SR_TDRE BIT(1) -#define ATMEL_SPI_SR_MODF BIT(2) -#define ATMEL_SPI_SR_OVRES BIT(3) -#define ATMEL_SPI_SR_ENDRX BIT(4) -#define ATMEL_SPI_SR_ENDTX BIT(5) -#define ATMEL_SPI_SR_RXBUFF BIT(6) -#define ATMEL_SPI_SR_TXBUFE BIT(7) -#define ATMEL_SPI_SR_NSSR BIT(8) -#define ATMEL_SPI_SR_TXEMPTY BIT(9) -#define ATMEL_SPI_SR_SPIENS BIT(16) - -/* Bits in CSRx */ -#define ATMEL_SPI_CSRx_CPOL BIT(0) -#define ATMEL_SPI_CSRx_NCPHA BIT(1) -#define ATMEL_SPI_CSRx_CSAAT BIT(3) -#define ATMEL_SPI_CSRx_BITS(x) ((x) << 4) -#define ATMEL_SPI_CSRx_SCBR(x) ((x) << 8) -#define ATMEL_SPI_CSRx_SCBR_MAX GENMASK(7, 0) -#define ATMEL_SPI_CSRx_DLYBS(x) ((x) << 16) -#define ATMEL_SPI_CSRx_DLYBCT(x) ((x) << 24) - -/* Bits in VERSION */ -#define ATMEL_SPI_VERSION_REV(x) ((x) & 0xfff) -#define ATMEL_SPI_VERSION_MFN(x) ((x) << 16) - -/* Constants for CSRx:BITS */ -#define ATMEL_SPI_BITS_8 0 -#define ATMEL_SPI_BITS_9 1 -#define ATMEL_SPI_BITS_10 2 -#define ATMEL_SPI_BITS_11 3 -#define ATMEL_SPI_BITS_12 4 -#define ATMEL_SPI_BITS_13 5 -#define ATMEL_SPI_BITS_14 6 -#define ATMEL_SPI_BITS_15 7 -#define ATMEL_SPI_BITS_16 8 - -/* Register access macros */ -#define spi_readl(as, reg) \ - readl(as->regs + ATMEL_SPI_##reg) -#define spi_writel(as, reg, value) \ - writel(value, as->regs + ATMEL_SPI_##reg) |