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authorFred Fan <r01011@freescale.com>2009-02-20 10:38:48 +0800
committerFred Fan <r01011@freescale.com>2009-09-09 15:34:06 +0800
commit7f9232a943c7cff561b3765457ac43ea21bec6f7 (patch)
tree5836e1f088ebd8413e20f48f2a15587cd02c7ace /include/asm-arm/arch-mx35/iomux.h
parent3d35d87d5482de23cd5dc4d7721b1086107cae50 (diff)
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ENGR00081147 Support i.MX35 3stack board
Support boot from NOR flash Support Multiple ethernet:LAN9217 and FEC Support upgrade u-boot Signed-off-by: Fred Fan <r01011@freescale.com>
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diff --git a/include/asm-arm/arch-mx35/iomux.h b/include/asm-arm/arch-mx35/iomux.h
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+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#ifndef __MACH_MX35_IOMUX_H__
+#define __MACH_MX35_IOMUX_H__
+
+#include <asm/arch/mx35.h>
+
+/*!
+ * @file mach-mx35/iomux.h
+ *
+ * @brief I/O Muxing control definitions and functions
+ *
+ * @ingroup GPIO_MX35
+ */
+
+/*!
+ * various IOMUX functions
+ */
+typedef enum iomux_pin_config {
+ MUX_CONFIG_FUNC = 0, /*!< used as function */
+ MUX_CONFIG_ALT1, /*!< used as alternate function 1 */
+ MUX_CONFIG_ALT2, /*!< used as alternate function 2 */
+ MUX_CONFIG_ALT3, /*!< used as alternate function 3 */
+ MUX_CONFIG_ALT4, /*!< used as alternate function 4 */
+ MUX_CONFIG_ALT5, /*!< used as alternate function 5 */
+ MUX_CONFIG_ALT6, /*!< used as alternate function 6 */
+ MUX_CONFIG_ALT7, /*!< used as alternate function 7 */
+ MUX_CONFIG_SION = 0x1 << 4, /*!< used as LOOPBACK:MUX SION bit */
+ MUX_CONFIG_GPIO = MUX_CONFIG_ALT5, /*!< used as GPIO */
+} iomux_pin_cfg_t;
+
+/*!
+ * various IOMUX pad functions
+ */
+typedef enum iomux_pad_config {
+ PAD_CTL_DRV_3_3V = 0x0 << 13,
+ PAD_CTL_DRV_1_8V = 0x1 << 13,
+ PAD_CTL_HYS_CMOS = 0x0 << 8,
+ PAD_CTL_HYS_SCHMITZ = 0x1 << 8,
+ PAD_CTL_PKE_NONE = 0x0 << 7,
+ PAD_CTL_PKE_ENABLE = 0x1 << 7,
+ PAD_CTL_PUE_KEEPER = 0x0 << 6,
+ PAD_CTL_PUE_PUD = 0x1 << 6,
+ PAD_CTL_100K_PD = 0x0 << 4,
+ PAD_CTL_47K_PU = 0x1 << 4,
+ PAD_CTL_100K_PU = 0x2 << 4,
+ PAD_CTL_22K_PU = 0x3 << 4,
+ PAD_CTL_ODE_CMOS = 0x0 << 3,
+ PAD_CTL_ODE_OpenDrain = 0x1 << 3,
+ PAD_CTL_DRV_NORMAL = 0x0 << 1,
+ PAD_CTL_DRV_HIGH = 0x1 << 1,
+ PAD_CTL_DRV_MAX = 0x2 << 1,
+ PAD_CTL_SRE_SLOW = 0x0 << 0,
+ PAD_CTL_SRE_FAST = 0x1 << 0
+} iomux_pad_config_t;
+
+/*!
+ * various IOMUX general purpose functions
+ */
+typedef enum iomux_gp_func {
+ MUX_SDCTL_CSD0_SEL = 0x1 << 0,
+ MUX_SDCTL_CSD1_SEL = 0x1 << 1,
+ MUX_TAMPER_DETECT_EN = 0x1 << 2,
+} iomux_gp_func_t;
+
+/*!
+ * various IOMUX input select register index
+ */
+typedef enum iomux_input_select {
+ MUX_IN_AMX_P5_RXCLK = 0,
+ MUX_IN_AMX_P5_RXFS,
+ MUX_IN_AMX_P6_DA,
+ MUX_IN_AMX_P6_DB,
+ MUX_IN_AMX_P6_RXCLK,
+ MUX_IN_AMX_P6_RXFS,
+ MUX_IN_AMX_P6_TXCLK,
+ MUX_IN_AMX_P6_TXFS,
+ MUX_IN_CAN1_CANRX,
+ MUX_IN_CAN2_CANRX,
+ MUX_IN_CCM_32K_MUXED,
+ MUX_IN_CCM_PMIC_RDY,
+ MUX_IN_CSPI1_SS2_B,
+ MUX_IN_CSPI1_SS3_B,
+ MUX_IN_CSPI2_CLK_IN,
+ MUX_IN_CSPI2_DATAREADY_B,
+ MUX_IN_CSPI2_MISO,
+ MUX_IN_CSPI2_MOSI,
+ MUX_IN_CSPI2_SS0_B,
+ MUX_IN_CSPI2_SS1_B,
+ MUX_IN_CSPI2_SS2_B,
+ MUX_IN_CSPI2_SS3_B,
+ MUX_IN_EMI_WEIM_DTACK_B,
+ MUX_IN_ESDHC1_DAT4_IN,
+ MUX_IN_ESDHC1_DAT5_IN,
+ MUX_IN_ESDHC1_DAT6_IN,
+ MUX_IN_ESDHC1_DAT7_IN,
+ MUX_IN_ESDHC3_CARD_CLK_IN,
+ MUX_IN_ESDHC3_CMD_IN,
+ MUX_IN_ESDHC3_DAT0,
+ MUX_IN_ESDHC3_DAT1,
+ MUX_IN_ESDHC3_DAT2,
+ MUX_IN_ESDHC3_DAT3,
+ MUX_IN_GPIO1_IN_0,
+ MUX_IN_GPIO1_IN_10,
+ MUX_IN_GPIO1_IN_11,
+ MUX_IN_GPIO1_IN_1,
+ MUX_IN_GPIO1_IN_20,
+ MUX_IN_GPIO1_IN_21,
+ MUX_IN_GPIO1_IN_22,
+ MUX_IN_GPIO1_IN_2,
+ MUX_IN_GPIO1_IN_3,
+ MUX_IN_GPIO1_IN_4,
+ MUX_IN_GPIO1_IN_5,
+ MUX_IN_GPIO1_IN_6,
+ MUX_IN_GPIO1_IN_7,
+ MUX_IN_GPIO1_IN_8,
+ MUX_IN_GPIO1_IN_9,
+ MUX_IN_GPIO2_IN_0,
+ MUX_IN_GPIO2_IN_10,
+ MUX_IN_GPIO2_IN_11,
+ MUX_IN_GPIO2_IN_12,
+ MUX_IN_GPIO2_IN_13,
+ MUX_IN_GPIO2_IN_14,
+ MUX_IN_GPIO2_IN_15,
+ MUX_IN_GPIO2_IN_16,
+ MUX_IN_GPIO2_IN_17,
+ MUX_IN_GPIO2_IN_18,
+ MUX_IN_GPIO2_IN_19,
+ MUX_IN_GPIO2_IN_20,
+ MUX_IN_GPIO2_IN_21,
+ MUX_IN_GPIO2_IN_22,
+ MUX_IN_GPIO2_IN_23,
+ MUX_IN_GPIO2_IN_24,
+ MUX_IN_GPIO2_IN_25,
+ MUX_IN_GPIO2_IN_26,
+ MUX_IN_GPIO2_IN_27,
+ MUX_IN_GPIO2_IN_28,
+ MUX_IN_GPIO2_IN_29,
+ MUX_IN_GPIO2_IN_2,
+ MUX_IN_GPIO2_IN_30,
+ MUX_IN_GPIO2_IN_31,
+ MUX_IN_GPIO2_IN_3,
+ MUX_IN_GPIO2_IN_4,
+ MUX_IN_GPIO2_IN_5,
+ MUX_IN_GPIO2_IN_6,
+ MUX_IN_GPIO2_IN_7,
+ MUX_IN_GPIO2_IN_8,
+ MUX_IN_GPIO2_IN_9,
+ MUX_IN_GPIO3_IN_0,
+ MUX_IN_GPIO3_IN_10,
+ MUX_IN_GPIO3_IN_11,
+ MUX_IN_GPIO3_IN_12,
+ MUX_IN_GPIO3_IN_13,
+ MUX_IN_GPIO3_IN_14,
+ MUX_IN_GPIO3_IN_15,
+ MUX_IN_GPIO3_IN_4,
+ MUX_IN_GPIO3_IN_5,
+ MUX_IN_GPIO3_IN_6,
+ MUX_IN_GPIO3_IN_7,
+ MUX_IN_GPIO3_IN_8,
+ MUX_IN_GPIO3_IN_9,
+ MUX_IN_I2C3_SCL_IN,
+ MUX_IN_I2C3_SDA_IN,
+ MUX_IN_IPU_DISPB_D0_VSYNC,
+ MUX_IN_IPU_DISPB_D12_VSYNC,
+ MUX_IN_IPU_DISPB_SD_D,
+ MUX_IN_IPU_SENSB_DATA_0,
+ MUX_IN_IPU_SENSB_DATA_1,
+ MUX_IN_IPU_SENSB_DATA_2,
+ MUX_IN_IPU_SENSB_DATA_3,
+ MUX_IN_IPU_SENSB_DATA_4,
+ MUX_IN_IPU_SENSB_DATA_5,
+ MUX_IN_IPU_SENSB_DATA_6,
+ MUX_IN_IPU_SENSB_DATA_7,
+ MUX_IN_KPP_COL_0,
+ MUX_IN_KPP_COL_1,
+ MUX_IN_KPP_COL_2,
+ MUX_IN_KPP_COL_3,
+ MUX_IN_KPP_COL_4,
+ MUX_IN_KPP_COL_5,
+ MUX_IN_KPP_COL_6,
+ MUX_IN_KPP_COL_7,
+ MUX_IN_KPP_ROW_0,
+ MUX_IN_KPP_ROW_1,
+ MUX_IN_KPP_ROW_2,
+ MUX_IN_KPP_ROW_3,
+ MUX_IN_KPP_ROW_4,
+ MUX_IN_KPP_ROW_5,
+ MUX_IN_KPP_ROW_6,
+ MUX_IN_KPP_ROW_7,
+ MUX_IN_OWIRE_BATTERY_LINE,
+ MUX_IN_SPDIF_HCKT_CLK2,
+ MUX_IN_SPDIF_SPDIF_IN1,
+ MUX_IN_UART3_UART_RTS_B,
+ MUX_IN_UART3_UART_RXD_MUX,
+ MUX_IN_USB_OTG_DATA_0,
+ MUX_IN_USB_OTG_DATA_1,
+ MUX_IN_USB_OTG_DATA_2,
+ MUX_IN_USB_OTG_DATA_3,
+ MUX_IN_USB_OTG_DATA_4,
+ MUX_IN_USB_OTG_DATA_5,
+ MUX_IN_USB_OTG_DATA_6,
+ MUX_IN_USB_OTG_DATA_7,
+ MUX_IN_USB_OTG_DIR,
+ MUX_IN_USB_OTG_NXT,
+ MUX_IN_USB_UH2_DATA_0,
+ MUX_IN_USB_UH2_DATA_1,
+ MUX_IN_USB_UH2_DATA_2,
+ MUX_IN_USB_UH2_DATA_3,
+ MUX_IN_USB_UH2_DATA_4,
+ MUX_IN_USB_UH2_DATA_5,
+ MUX_IN_USB_UH2_DATA_6,
+ MUX_IN_USB_UH2_DATA_7,
+ MUX_IN_USB_UH2_DIR,
+ MUX_IN_USB_UH2_NXT,
+ MUX_IN_USB_UH2_USB_OC,
+} iomux_input_select_t;
+
+/*!
+ * various IOMUX input functions
+ */
+typedef enum iomux_input_config {
+ INPUT_CTL_PATH0 = 0x0,
+ INPUT_CTL_PATH1,
+ INPUT_CTL_PATH2,
+ INPUT_CTL_PATH3,
+ INPUT_CTL_PATH4,
+ INPUT_CTL_PATH5,
+ INPUT_CTL_PATH6,
+ INPUT_CTL_PATH7,
+} iomux_input_cfg_t;
+
+/*!
+ * Request ownership for an IO pin. This function has to be the first one
+ * being called before that pin is used. The caller has to check the
+ * return value to make sure it returns 0.
+ *
+ * @param pin a name defined by \b iomux_pin_name_t
+ * @param cfg an input function as defined in \b #iomux_pin_cfg_t
+ *
+ * @return 0 if successful; Non-zero otherwise
+ */
+int mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg);
+
+/*!
+ * Release ownership for an IO pin
+ *
+ * @param pin a name defined by \b iomux_pin_name_t
+ * @param cfg an input function as defined in \b #iomux_pin_cfg_t
+ */
+void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg);
+
+/*!
+ * This function enables/disables the general purpose function for a particular
+ * signal.
+ *
+ * @param gp one signal as defined in \b #iomux_gp_func_t
+ * @param en \b #true to enable; \b #false to disable
+ */
+void mxc_iomux_set_gpr(iomux_gp_func_t gp, int en);
+
+/*!
+ * This function configures the pad value for a IOMUX pin.
+ *
+ * @param pin a pin number as defined in \b #iomux_pin_name_t
+ * @param config the ORed value of elements defined in \b
+ * #iomux_pad_config_t
+ */
+void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config);
+
+/*!
+ * This function configures input path.
+ *
+ * @param input index of input select register as defined in \b
+ * #iomux_input_select_t
+ * @param config the binary value of elements defined in \b
+ * #iomux_input_cfg_t
+ */
+void mxc_iomux_set_input(iomux_input_select_t input, u32 config);
+#endif