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authorZhangfei Gao <zhangfei.gao@marvell.com>2011-06-08 13:41:57 +0400
committerChris Ball <cjb@laptop.org>2011-07-21 01:20:49 +0400
commita702c8abb2a95a5b5920373a727be0b94d96b33c (patch)
tree85286f81398fcb0de72f101486bcb439a25079d3 /arch/arm
parentf0de836923186e1fc0acb65299c2f2089c7992af (diff)
downloadlinux-a702c8abb2a95a5b5920373a727be0b94d96b33c.tar.xz
mmc: host: split up sdhci-pxa, create sdhci-pxav3.c
sdhci-pltfm driver for PXAV3 SoCs, such as MMP2. Signed-off-by: Zhangfei Gao <zhangfei.gao@marvell.com> Signed-off-by: Philip Rakity <prakity@marvell.com> Acked-by: Philip Rakity <prakity@marvell.com> Acked-by: Mark F. Brown <mark.brown314@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/plat-pxa/include/plat/sdhci.h35
1 files changed, 30 insertions, 5 deletions
diff --git a/arch/arm/plat-pxa/include/plat/sdhci.h b/arch/arm/plat-pxa/include/plat/sdhci.h
index 1ab332e37d7d..800ebc149fc1 100644
--- a/arch/arm/plat-pxa/include/plat/sdhci.h
+++ b/arch/arm/plat-pxa/include/plat/sdhci.h
@@ -15,21 +15,46 @@
/* pxa specific flag */
/* Require clock free running */
-#define PXA_FLAG_DISABLE_CLOCK_GATING (1<<0)
-
+#define PXA_FLAG_ENABLE_CLOCK_GATING (1<<0)
+/* card always wired to host, like on-chip emmc */
+#define PXA_FLAG_CARD_PERMANENT (1<<1)
/* Board design supports 8-bit data on SD/SDIO BUS */
#define PXA_FLAG_SD_8_BIT_CAPABLE_SLOT (1<<2)
/*
* struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI
- * @max_speed: the maximum speed supported
- * @quirks: quirks of specific device
* @flags: flags for platform requirement
+ * @clk_delay_cycles:
+ * mmp2: each step is roughly 100ps, 5bits width
+ * pxa910: each step is 1ns, 4bits width
+ * @clk_delay_sel: select clk_delay, used on pxa910
+ * 0: choose feedback clk
+ * 1: choose feedback clk + delay value
+ * 2: choose internal clk
+ * @clk_delay_enable: enable clk_delay or not, used on pxa910
+ * @ext_cd_gpio: gpio pin used for external CD line
+ * @ext_cd_gpio_invert: invert values for external CD gpio line
+ * @max_speed: the maximum speed supported
+ * @host_caps: Standard MMC host capabilities bit field.
+ * @quirks: quirks of platfrom
+ * @pm_caps: pm_caps of platfrom
*/
struct sdhci_pxa_platdata {
+ unsigned int flags;
+ unsigned int clk_delay_cycles;
+ unsigned int clk_delay_sel;
+ bool clk_delay_enable;
+ unsigned int ext_cd_gpio;
+ bool ext_cd_gpio_invert;
unsigned int max_speed;
+ unsigned int host_caps;
unsigned int quirks;
- unsigned int flags;
+ unsigned int pm_caps;
+};
+
+struct sdhci_pxa {
+ u8 clk_enable;
+ u8 power_mode;
};
#endif /* __PLAT_PXA_SDHCI_H */