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authorSascha Hauer <s.hauer@pengutronix.de>2019-02-13 20:31:48 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2019-02-13 20:31:48 +0100
commitd4b0698608db00fe3d75dc2c204617a5d7eae3cb (patch)
tree430b1160ee451ee0e9dc82720442b632cc798cbb /include
parent2a17e75a976d11c1712972d29813094b8020ac35 (diff)
parent15b64fd520c20c51f4fe1388c149b661c4fb7073 (diff)
downloadbarebox-d4b0698608db00fe3d75dc2c204617a5d7eae3cb.tar.gz
barebox-d4b0698608db00fe3d75dc2c204617a5d7eae3cb.tar.xz
Merge branch 'for-next/mmc-esdhc'
Diffstat (limited to 'include')
-rw-r--r--include/platform_data/mmc-esdhc-imx.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/platform_data/mmc-esdhc-imx.h b/include/platform_data/mmc-esdhc-imx.h
new file mode 100644
index 0000000000..fb7380a182
--- /dev/null
+++ b/include/platform_data/mmc-esdhc-imx.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010 Wolfram Sang <w.sang@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#ifndef __ASM_ARCH_IMX_ESDHC_H
+#define __ASM_ARCH_IMX_ESDHC_H
+
+enum wp_types {
+ ESDHC_WP_NONE, /* no WP, neither controller nor gpio */
+ ESDHC_WP_CONTROLLER, /* mmc controller internal WP */
+ ESDHC_WP_GPIO, /* external gpio pin for WP */
+};
+
+enum cd_types {
+ ESDHC_CD_NONE, /* no CD, neither controller nor gpio */
+ ESDHC_CD_CONTROLLER, /* mmc controller internal CD */
+ ESDHC_CD_GPIO, /* external gpio pin for CD */
+ ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */
+};
+
+/**
+ * struct esdhc_platform_data - platform data for esdhc on i.MX
+ *
+ * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35.
+ *
+ * @wp_gpio: gpio for write_protect
+ * @cd_gpio: gpio for card_detect interrupt
+ * @wp_type: type of write_protect method (see wp_types enum above)
+ * @cd_type: type of card_detect method (see cd_types enum above)
+ * @caps: supported bus width capabilities (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)
+ */
+
+struct esdhc_platform_data {
+ unsigned int wp_gpio;
+ unsigned int cd_gpio;
+ enum wp_types wp_type;
+ enum cd_types cd_type;
+ unsigned caps;
+ char *devname;
+ unsigned dsr_val;
+ int use_dsr;
+};
+#endif /* __ASM_ARCH_IMX_ESDHC_H */