/* * include/linux/platform_data/pxa_sdhci.h * * Copyright 2010 Marvell * Zhangfei Gao <zhangfei.gao@marvell.com> * * PXA Platform - SDHCI platform data definitions * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef _PXA_SDHCI_H_ #define _PXA_SDHCI_H_ /* pxa specific flag */ /* Require clock free running */ #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 * @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 * @quirks2: quirks2 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; u32 host_caps; u32 host_caps2; unsigned int quirks; unsigned int quirks2; unsigned int pm_caps; }; #endif /* _PXA_SDHCI_H_ */ |