1 /* 2 * SDHCI platform data initilisation file 3 * 4 * (C) Copyright 2016 Intel Corporation 5 * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; version 2 10 * of the License. 11 */ 12 13 #include <linux/init.h> 14 #include <linux/pci.h> 15 16 #include <linux/mmc/sdhci-pci-data.h> 17 18 #include <asm/intel-mid.h> 19 20 #define INTEL_MRFLD_SD 2 21 #define INTEL_MRFLD_SD_CD_GPIO 77 22 23 static struct sdhci_pci_data mrfld_sdhci_pci_data = { 24 .rst_n_gpio = -EINVAL, 25 .cd_gpio = INTEL_MRFLD_SD_CD_GPIO, 26 }; 27 28 static struct sdhci_pci_data * mrfld_sdhci_pci_get_data(struct pci_dev * pdev,int slotno)29mrfld_sdhci_pci_get_data(struct pci_dev *pdev, int slotno) 30 { 31 unsigned int func = PCI_FUNC(pdev->devfn); 32 33 if (func == INTEL_MRFLD_SD) 34 return &mrfld_sdhci_pci_data; 35 36 return NULL; 37 } 38 mrfld_sd_init(void)39static int __init mrfld_sd_init(void) 40 { 41 if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER) 42 return -ENODEV; 43 44 sdhci_pci_get_data = mrfld_sdhci_pci_get_data; 45 return 0; 46 } 47 arch_initcall(mrfld_sd_init); 48