diff options
| author | Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com> | 2023-08-25 15:21:56 +0530 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2023-08-25 13:40:21 +0200 |
| commit | d2c6d518c21d73d96616e08a19eccd4642f4bafa (patch) | |
| tree | 9f789ea5178bb995d121ff948af6ae03070dcbad /drivers/mmc | |
| parent | ce6e94722523f85e265455eb3296ebdbe996b3b5 (diff) | |
mmc: atmel-mci: move atmel MCI header file
Move the contents of linux/atmel-mci.h into
drivers/mmc/host/atmel-mci.c as it is only used in one file
Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>
Reviewed-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20230825095157.76073-3-balamanikandan.gunasundar@microchip.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 892d29fed9ec..6f815818dd22 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -29,7 +29,6 @@ #include <linux/mmc/host.h> #include <linux/mmc/sdio.h> -#include <linux/atmel-mci.h> #include <linux/atmel_pdc.h> #include <linux/pm.h> #include <linux/pm_runtime.h> @@ -39,6 +38,8 @@ #include <asm/io.h> #include <asm/unaligned.h> +#define ATMCI_MAX_NR_SLOTS 2 + /* * Superset of MCI IP registers integrated in Atmel AT91 Processor * Registers and bitfields marked with [2] are only available in MCI2 @@ -200,6 +201,42 @@ enum atmci_pdc_buf { PDC_SECOND_BUF, }; +/** + * struct mci_slot_pdata - board-specific per-slot configuration + * @bus_width: Number of data lines wired up the slot + * @detect_pin: GPIO pin wired to the card detect switch + * @wp_pin: GPIO pin wired to the write protect sensor + * @detect_is_active_high: The state of the detect pin when it is active + * @non_removable: The slot is not removable, only detect once + * + * If a given slot is not present on the board, @bus_width should be + * set to 0. The other fields are ignored in this case. + * + * Any pins that aren't available should be set to a negative value. + * + * Note that support for multiple slots is experimental -- some cards + * might get upset if we don't get the clock management exactly right. + * But in most cases, it should work just fine. + */ +struct mci_slot_pdata { + unsigned int bus_width; + struct gpio_desc *detect_pin; + struct gpio_desc *wp_pin; + bool detect_is_active_high; + bool non_removable; +}; + +/** + * struct mci_platform_data - board-specific MMC/SDcard configuration + * @dma_slave: DMA slave interface to use in data transfers. + * @slot: Per-slot configuration data. + */ +struct mci_platform_data { + void *dma_slave; + dma_filter_fn dma_filter; + struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS]; +}; + struct atmel_mci_caps { bool has_dma_conf_reg; bool has_pdc; |