From 46b723dd867d599420fb640c0eaf2a866ef721d4 Mon Sep 17 00:00:00 2001 From: Ludovic Barre Date: Mon, 8 Oct 2018 14:08:55 +0200 Subject: mmc: mmci: add stm32 sdmmc variant This patch adds a stm32 sdmmc variant, rev 1.1. Introduces a new Manufacturer id "0x53, ascii 'S' to define new stm32 sdmmc family with clean range of amba revision/configurations bits (corresponding to sdmmc_ver register with major/minor fields). Add 2 variants properties: -dma_lli, to enable link list support. -stm32_idmabsize_mask, defines the range of SDMMC_IDMABSIZER register which specify the number bytes per buffer. DT properties for sdmmc: -Indicate signal directions (only one property for d0dir, d123dir, cmd_dir) -Select command and data phase relation. -Select "clock in" from an external driver. Signed-off-by: Ludovic Barre Signed-off-by: Ulf Hansson --- drivers/mmc/host/mmci.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/mmc/host/mmci.h') diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index e242f44de78a..550dd3914461 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -304,6 +304,8 @@ struct mmci_host; * @start_err: bitmask identifying the STARTBITERR bit inside MMCISTATUS * register. * @opendrain: bitmask identifying the OPENDRAIN bit inside MMCIPOWER register + * @dma_lli: true if variant has dma link list feature. + * @stm32_idmabsize_mask: stm32 sdmmc idma buffer size. */ struct variant_data { unsigned int clkreg; @@ -346,6 +348,8 @@ struct variant_data { unsigned int irq_pio_mask; u32 start_err; u32 opendrain; + u8 dma_lli:1; + u32 stm32_idmabsize_mask; void (*init)(struct mmci_host *host); }; @@ -387,6 +391,7 @@ struct mmci_host { u32 pwr_reg; u32 pwr_reg_add; u32 clk_reg; + u32 clk_reg_add; u32 datactrl_reg; u32 busy_status; u32 mask1_reg; -- cgit v1.2.3