/* * Copyright (c) 2012, Freescale Semiconductor, Inc. * All rights reserved. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ // File: i2c3_iomux_config.c /* ------------------------------------------------------------------------------ * * This code was generated by a tool. * Runtime Version:3.4.0.0 * * Changes to this file may cause incorrect behavior and will be lost if * the code is regenerated. * * ------------------------------------------------------------------------------ */ #include "iomux_config.h" #include "registers/regsiomuxc.h" // Function to configure IOMUXC for i2c3 module. void i2c3_iomux_config(void) { // Config i2c3.I2C3_SCL to pad GPIO03(R7) // HW_IOMUXC_SW_MUX_CTL_PAD_GPIO03_WR(0x00000012); // HW_IOMUXC_SW_PAD_CTL_PAD_GPIO03_WR(0x0001B860); // HW_IOMUXC_I2C3_SCL_IN_SELECT_INPUT_WR(0x00000001); // Mux Register: // IOMUXC_SW_MUX_CTL_PAD_GPIO03(0x020E0228) // SION [4] - Software Input On Field Reset: DISABLED // Force the selected mux mode Input path no matter of MUX_MODE functionality. // DISABLED (0) - Input Path is determined by functionality of the selected mux mode (regular). // ENABLED (1) - Force input path of pad. // MUX_MODE [2:0] - MUX Mode Select Field Reset: ALT5 // Select iomux modes to be used for pad. // ALT0 (0) - Select instance: esai signal: ESAI_RX_HF_CLK // ALT2 (2) - Select instance: i2c3 signal: I2C3_SCL // ALT3 (3) - Select instance: xtalosc signal: XTALOSC_REF_CLK_24M // ALT4 (4) - Select instance: ccm signal: CCM_CLKO2 // ALT5 (5) - Select instance: gpio1 signal: GPIO1_IO03 // ALT6 (6) - Select instance: usb signal: USB_H1_OC // ALT7 (7) - Select instance: mlb signal: MLB_CLK HW_IOMUXC_SW_MUX_CTL_PAD_GPIO03_WR( BF_IOMUXC_SW_MUX_CTL_PAD_GPIO03_SION_V(ENABLED) | BF_IOMUXC_SW_MUX_CTL_PAD_GPIO03_MUX_MODE_V(ALT2)); // Pad Control Register: // IOMUXC_SW_PAD_CTL_PAD_GPIO03(0x020E05F8) // HYS [16] - Hysteresis Enable Field Reset: ENABLED // DISABLED (0) - CMOS input // ENABLED (1) - Schmitt trigger input // PUS [15:14] - Pull Up / Down Config. Field Reset: 100K_OHM_PU // 100K_OHM_PD (0) - 100K Ohm Pull Down // 47K_OHM_PU (1) - 47K Ohm Pull Up // 100K_OHM_PU (2) - 100K Ohm Pull Up // 22K_OHM_PU (3) - 22K Ohm Pull Up // PUE [13] - Pull / Keep Select Field Reset: PULL // KEEP (0) - Keeper Enabled // PULL (1) - Pull Enabled // PKE [12] - Pull / Keep Enable Field Reset: ENABLED // DISABLED (0) - Pull/Keeper Disabled // ENABLED (1) - Pull/Keeper Enabled // ODE [11] - Open Drain Enable Field Reset: DISABLED // Enables open drain of the pin. // DISABLED (0) - Output is CMOS. // ENABLED (1) - Output is Open Drain. // SPEED [7:6] - Speed Field Reset: 100MHZ // RESERVED0 (0) - Reserved // 50MHZ (1) - Low (50 MHz) // 100MHZ (2) - Medium (100 MHz) // 200MHZ (3) - Maximum (200 MHz) // DSE [5:3] - Drive Strength Field Reset: 40_OHM // HIZ (0) - HI-Z // 240_OHM (1) - 240 Ohm // 120_OHM (2) - 120 Ohm // 80_OHM (3) - 80 Ohm // 60_OHM (4) - 60 Ohm // 48_OHM (5) - 48 Ohm // 40_OHM (6) - 40 Ohm // 34_OHM (7) - 34 Ohm // SRE [0] - Slew Rate Field Reset: SLOW // Slew rate control. // SLOW (0) - Slow Slew Rate // FAST (1) - Fast Slew Rate HW_IOMUXC_SW_PAD_CTL_PAD_GPIO03_WR( BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_HYS_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_PUS_V(100K_OHM_PU) | BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_PUE_V(PULL) | BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_PKE_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_ODE_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_SPEED_V(50MHZ) | BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_DSE_V(60_OHM) | BF_IOMUXC_SW_PAD_CTL_PAD_GPIO03_SRE_V(SLOW)); // Pad GPIO03 is involved in Daisy Chain. // Input Select Register: // IOMUXC_I2C3_SCL_IN_SELECT_INPUT(0x020E0878) // DAISY [1:0] - MUX Mode Select Field Reset: EIM_DATA17_ALT6 // Selecting Pads Involved in Daisy Chain. // EIM_DATA17_ALT6 (0) - Select signal i2c3 I2C3_SCL as input from pad EIM_DATA17(ALT6). // GPIO03_ALT2 (1) - Select signal i2c3 I2C3_SCL as input from pad GPIO03(ALT2). // GPIO05_ALT6 (2) - Select signal i2c3 I2C3_SCL as input from pad GPIO05(ALT6). HW_IOMUXC_I2C3_SCL_IN_SELECT_INPUT_WR( BF_IOMUXC_I2C3_SCL_IN_SELECT_INPUT_DAISY_V(GPIO03_ALT2)); // Config i2c3.I2C3_SDA to pad EIM_DATA18(D24) // HW_IOMUXC_SW_MUX_CTL_PAD_EIM_DATA18_WR(0x00000016); // HW_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_WR(0x0001B860); // HW_IOMUXC_I2C3_SDA_IN_SELECT_INPUT_WR(0x00000000); // Mux Register: // IOMUXC_SW_MUX_CTL_PAD_EIM_DATA18(0x020E014C) // SION [4] - Software Input On Field Reset: DISABLED // Force the selected mux mode Input path no matter of MUX_MODE functionality. // DISABLED (0) - Input Path is determined by functionality of the selected mux mode (regular). // ENABLED (1) - Force input path of pad. // MUX_MODE [3:0] - MUX Mode Select Field Reset: ALT5 // Select iomux modes to be used for pad. // ALT0 (0) - Select instance: eim signal: EIM_DATA18 // ALT1 (1) - Select instance: ecspi1 signal: ECSPI1_MOSI // ALT2 (2) - Select instance: ipu1 signal: IPU1_DI0_PIN07 // ALT3 (3) - Select instance: ipu1 signal: IPU1_CSI1_DATA17 // ALT4 (4) - Select instance: ipu1 signal: IPU1_DI1_D0_CS // ALT5 (5) - Select instance: gpio3 signal: GPIO3_IO18 // ALT6 (6) - Select instance: i2c3 signal: I2C3_SDA // ALT8 (8) - Select instance: epdc signal: EPDC_VCOM1 HW_IOMUXC_SW_MUX_CTL_PAD_EIM_DATA18_WR( BF_IOMUXC_SW_MUX_CTL_PAD_EIM_DATA18_SION_V(ENABLED) | BF_IOMUXC_SW_MUX_CTL_PAD_EIM_DATA18_MUX_MODE_V(ALT6)); // Pad Control Register: // IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18(0x020E051C) // HYS [16] - Hysteresis Enable Field Reset: ENABLED // DISABLED (0) - CMOS input // ENABLED (1) - Schmitt trigger input // PUS [15:14] - Pull Up / Down Config. Field Reset: 100K_OHM_PU // 100K_OHM_PD (0) - 100K Ohm Pull Down // 47K_OHM_PU (1) - 47K Ohm Pull Up // 100K_OHM_PU (2) - 100K Ohm Pull Up // 22K_OHM_PU (3) - 22K Ohm Pull Up // PUE [13] - Pull / Keep Select Field Reset: PULL // KEEP (0) - Keeper Enabled // PULL (1) - Pull Enabled // PKE [12] - Pull / Keep Enable Field Reset: ENABLED // DISABLED (0) - Pull/Keeper Disabled // ENABLED (1) - Pull/Keeper Enabled // ODE [11] - Open Drain Enable Field Reset: DISABLED // Enables open drain of the pin. // DISABLED (0) - Output is CMOS. // ENABLED (1) - Output is Open Drain. // SPEED [7:6] - Speed Field Reset: 100MHZ // RESERVED0 (0) - Reserved // 50MHZ (1) - Low (50 MHz) // 100MHZ (2) - Medium (100 MHz) // 200MHZ (3) - Maximum (200 MHz) // DSE [5:3] - Drive Strength Field Reset: 40_OHM // HIZ (0) - HI-Z // 240_OHM (1) - 240 Ohm // 120_OHM (2) - 120 Ohm // 80_OHM (3) - 80 Ohm // 60_OHM (4) - 60 Ohm // 48_OHM (5) - 48 Ohm // 40_OHM (6) - 40 Ohm // 34_OHM (7) - 34 Ohm // SRE [0] - Slew Rate Field Reset: SLOW // Slew rate control. // SLOW (0) - Slow Slew Rate // FAST (1) - Fast Slew Rate HW_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_WR( BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_HYS_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_PUS_V(100K_OHM_PU) | BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_PUE_V(PULL) | BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_PKE_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_ODE_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_SPEED_V(50MHZ) | BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_DSE_V(60_OHM) | BF_IOMUXC_SW_PAD_CTL_PAD_EIM_DATA18_SRE_V(SLOW)); // Pad EIM_DATA18 is involved in Daisy Chain. // Input Select Register: // IOMUXC_I2C3_SDA_IN_SELECT_INPUT(0x020E087C) // DAISY [1:0] - MUX Mode Select Field Reset: EIM_DATA18_ALT6 // Selecting Pads Involved in Daisy Chain. // EIM_DATA18_ALT6 (0) - Select signal i2c3 I2C3_SDA as input from pad EIM_DATA18(ALT6). // GPIO16_ALT6 (1) - Select signal i2c3 I2C3_SDA as input from pad GPIO16(ALT6). // GPIO06_ALT2 (2) - Select signal i2c3 I2C3_SDA as input from pad GPIO06(ALT2). HW_IOMUXC_I2C3_SDA_IN_SELECT_INPUT_WR( BF_IOMUXC_I2C3_SDA_IN_SELECT_INPUT_DAISY_V(EIM_DATA18_ALT6)); }