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authorWolfram Sang <w.sang@pengutronix.de>2011-02-26 14:44:39 +0100
committerChris Ball <cjb@laptop.org>2011-03-17 15:35:00 -0400
commit0c6d49ce53bc18c0ac637fb137f1e01ee9082201 (patch)
treedd7228fc94fbf638e57ec31352805eb0b2bde95a /arch/arm/plat-mxc
parentdffc55adfa2676a02a838d56a0cc4edd3809510c (diff)
mmc: sdhci-esdhc-imx: add write protect on custom GPIO on mx25/35
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Tested-by: Marc Reilly <marc@cpdesign.com.au> Tested-by: Eric Benard <eric@eukrea.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'arch/arm/plat-mxc')
-rw-r--r--arch/arm/plat-mxc/include/mach/esdhc.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/include/mach/esdhc.h b/arch/arm/plat-mxc/include/mach/esdhc.h
index a48a9aaa56b1..47da109ce09b 100644
--- a/arch/arm/plat-mxc/include/mach/esdhc.h
+++ b/arch/arm/plat-mxc/include/mach/esdhc.h
@@ -10,7 +10,15 @@
#ifndef __ASM_ARCH_IMX_ESDHC_H
#define __ASM_ARCH_IMX_ESDHC_H
+/**
+ * struct esdhc_platform_data - optional platform data for esdhc on i.MX
+ *
+ * strongly recommended for i.MX25/35, not needed for other variants
+ *
+ * @wp_gpio: gpio for write_protect (-EINVAL if unused)
+ */
+
struct esdhc_platform_data {
- unsigned int wp_gpio; /* write protect pin */
+ unsigned int wp_gpio;
};
#endif /* __ASM_ARCH_IMX_ESDHC_H */