diff options
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c | 12 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/esdhc.h | 25 |
2 files changed, 33 insertions, 4 deletions
diff --git a/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c b/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c index 6b2940b93d94..79d6d711d123 100644 --- a/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c +++ b/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c @@ -65,6 +65,11 @@ imx53_sdhci_esdhc_imx_data[] __initconst = { }; #endif /* ifdef CONFIG_SOC_IMX53 */ +static const struct esdhc_platform_data default_esdhc_pdata __initconst = { + .wp_type = ESDHC_WP_NONE, + .cd_type = ESDHC_CD_NONE, +}; + struct platform_device *__init imx_add_sdhci_esdhc_imx( const struct imx_sdhci_esdhc_imx_data *data, const struct esdhc_platform_data *pdata) @@ -81,6 +86,13 @@ struct platform_device *__init imx_add_sdhci_esdhc_imx( }, }; + /* + * If machine does not provide pdata, use the default one + * which means no WP/CD support + */ + if (!pdata) + pdata = &default_esdhc_pdata; + return imx_add_platform_device("sdhci-esdhc-imx", data->id, res, ARRAY_SIZE(res), pdata, sizeof(*pdata)); } diff --git a/arch/arm/plat-mxc/include/mach/esdhc.h b/arch/arm/plat-mxc/include/mach/esdhc.h index 86003f411755..aaf97481f413 100644 --- a/arch/arm/plat-mxc/include/mach/esdhc.h +++ b/arch/arm/plat-mxc/include/mach/esdhc.h @@ -10,17 +10,34 @@ #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 - optional platform data for esdhc on i.MX + * struct esdhc_platform_data - platform data for esdhc on i.MX * - * strongly recommended for i.MX25/35, not needed for other variants + * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35. * - * @wp_gpio: gpio for write_protect (-EINVAL if unused) - * @cd_gpio: gpio for card_detect interrupt (-EINVAL if unused) + * @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) */ struct esdhc_platform_data { unsigned int wp_gpio; unsigned int cd_gpio; + enum wp_types wp_type; + enum cd_types cd_type; }; #endif /* __ASM_ARCH_IMX_ESDHC_H */ |