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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-pxa/colibri-evalboard.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-pxa/colibri-evalboard.c')
-rw-r--r--arch/arm/mach-pxa/colibri-evalboard.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c
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+++ b/arch/arm/mach-pxa/colibri-evalboard.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/arch/arm/mach-pxa/colibri-evalboard.c
+ *
+ * Support for Toradex Colibri Evaluation Carrier Board
+ * Daniel Mack <daniel@caiaq.de>
+ * Marek Vasut <marek.vasut@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/gpio/machine.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <linux/i2c.h>
+#include <linux/platform_data/i2c-pxa.h>
+#include <asm/io.h>
+
+#include "pxa27x.h"
+#include "colibri.h"
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include "pxa27x-udc.h"
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+static struct pxamci_platform_data colibri_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .detect_delay_ms = 200,
+};
+
+static struct gpiod_lookup_table colibri_pxa270_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO0_COLIBRI_PXA270_SD_DETECT,
+ "cd", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static struct gpiod_lookup_table colibri_pxa300_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO13_COLIBRI_PXA300_SD_DETECT,
+ "cd", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static struct gpiod_lookup_table colibri_pxa320_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO28_COLIBRI_PXA320_SD_DETECT,
+ "cd", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static void __init colibri_mmc_init(void)
+{
+ if (machine_is_colibri()) /* PXA270 Colibri */
+ gpiod_add_lookup_table(&colibri_pxa270_mci_gpio_table);
+ if (machine_is_colibri300()) /* PXA300 Colibri */
+ gpiod_add_lookup_table(&colibri_pxa300_mci_gpio_table);
+ else /* PXA320 Colibri */
+ gpiod_add_lookup_table(&colibri_pxa320_mci_gpio_table);
+
+ pxa_set_mci_info(&colibri_mci_platform_data);
+}
+#else
+static inline void colibri_mmc_init(void) {}
+#endif
+
+/******************************************************************************
+ * USB Host
+ ******************************************************************************/
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static int colibri_ohci_init(struct device *dev)
+{
+ UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
+ return 0;
+}
+
+static struct pxaohci_platform_data colibri_ohci_info = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT1 |
+ POWER_CONTROL_LOW | POWER_SENSE_LOW,
+ .init = colibri_ohci_init,
+};
+
+static void __init colibri_uhc_init(void)
+{
+ /* Colibri PXA270 has two usb ports, TBA for 320 */
+ if (machine_is_colibri())
+ colibri_ohci_info.flags |= ENABLE_PORT2;
+
+ pxa_set_ohci_info(&colibri_ohci_info);
+}
+#else
+static inline void colibri_uhc_init(void) {}
+#endif
+
+/******************************************************************************
+ * I2C RTC
+ ******************************************************************************/
+#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
+static struct i2c_board_info __initdata colibri_i2c_devs[] = {
+ {
+ I2C_BOARD_INFO("m41t00", 0x68),
+ },
+};
+
+static void __init colibri_rtc_init(void)
+{
+ pxa_set_i2c_info(NULL);
+ i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
+}
+#else
+static inline void colibri_rtc_init(void) {}
+#endif
+
+void __init colibri_evalboard_init(void)
+{
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+
+ colibri_mmc_init();
+ colibri_uhc_init();
+ colibri_rtc_init();
+}