ARM: 7218/1: mmc: mmci: Provide option to configure bus signal direction

[firefly-linux-kernel-4.4.55.git] / include / linux / amba / mmci.h

diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index 21114810c7c0b687afa01f188e50d99bdbdafecb..b51bf5fa85f89a5b6889837d51292cf263b17abd 100644 (file)
--- a/include/linux/amba/mmci.h
+++ b/include/linux/amba/mmci.h
@@ -6,6 +6,19 @@
 
 #include <linux/mmc/host.h>
 
+
+/*
+ * These defines is places here due to access is needed from machine
+ * configuration files. The ST Micro version does not have ROD and
+ * reuse the voltage registers for direction settings.
+ */
+#define MCI_ST_DATA2DIREN      (1 << 2)
+#define MCI_ST_CMDDIREN                (1 << 3)
+#define MCI_ST_DATA0DIREN      (1 << 4)
+#define MCI_ST_DATA31DIREN     (1 << 5)
+#define MCI_ST_FBCLKEN         (1 << 7)
+#define MCI_ST_DATA74DIREN     (1 << 8)
+
 /* Just some dummy forwarding */
 struct dma_chan;
 
@@ -30,6 +43,9 @@ struct dma_chan;
  * @cd_invert: true if the gpio_cd pin value is active low
  * @capabilities: the capabilities of the block as implemented in
  * this platform, signify anything MMC_CAP_* from mmc/host.h
+ * @capabilities2: more capabilities, MMC_CAP2_* from mmc/host.h
+ * @sigdir: a bit field indicating for what bits in the MMC bus the host
+ * should enable signal direction indication.
  * @dma_filter: function used to select an appropriate RX and TX
  * DMA channel to be used for DMA, if and only if you're deploying the
  * generic DMA engine
@@ -52,6 +68,8 @@ struct mmci_platform_data {
        int     gpio_cd;
        bool    cd_invert;
        unsigned long capabilities;
+       unsigned long capabilities2;
+       u32 sigdir;
        bool (*dma_filter)(struct dma_chan *chan, void *filter_param);
        void *dma_rx_param;
        void *dma_tx_param;