3667526b83
pinmux.c is inaptly named since it has nothing to do with pinmux. Also, remove inclusion of iocon.h since this file does not use it, as this file has nothing to do with pinmux. Signed-off-by: Declan Snyder <declan.snyder@nxp.com>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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* Copyright (c) 2019, NXP
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/init.h>
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#include <zephyr/devicetree.h>
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#include <fsl_common.h>
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#include <soc.h>
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static int lpcxpresso_55s69_board_init(void)
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{
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#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm6), nxp_lpc_i2s, okay)) && \
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(DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm7), nxp_lpc_i2s, okay)) && \
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CONFIG_I2S
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/*
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* Flexcomm 6 and 7 are connected to codec on board, and shared signal
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* sets are used to enable one I2S device to handle RX and one to handle
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* TX
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*/
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CLOCK_EnableClock(kCLOCK_Sysctl);
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/* Set shared signal set 0 SCK, WS from Transmit I2S - Flexcomm 7 */
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SYSCTL->SHAREDCTRLSET[0] = SYSCTL_SHAREDCTRLSET_SHAREDSCKSEL(7) |
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SYSCTL_SHAREDCTRLSET_SHAREDWSSEL(7);
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#ifdef CONFIG_I2S_TEST_SEPARATE_DEVICES
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/* Select Data in from Transmit I2S - Flexcomm 7 */
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SYSCTL->SHAREDCTRLSET[0] |= SYSCTL_SHAREDCTRLSET_SHAREDDATASEL(7);
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/* Enable Transmit I2S - Flexcomm 7 for Shared Data Out */
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SYSCTL->SHAREDCTRLSET[0] |= SYSCTL_SHAREDCTRLSET_FC7DATAOUTEN(1);
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#endif
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/* Set Receive I2S - Flexcomm 6 SCK, WS from shared signal set 0 */
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SYSCTL->FCCTRLSEL[6] = SYSCTL_FCCTRLSEL_SCKINSEL(1) |
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SYSCTL_FCCTRLSEL_WSINSEL(1);
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/* Set Transmit I2S - Flexcomm 7 SCK, WS from shared signal set 0 */
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SYSCTL->FCCTRLSEL[7] = SYSCTL_FCCTRLSEL_SCKINSEL(1) |
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SYSCTL_FCCTRLSEL_WSINSEL(1);
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#ifdef CONFIG_I2S_TEST_SEPARATE_DEVICES
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/* Select Receive I2S - Flexcomm 6 Data in from shared signal set 0 */
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SYSCTL->FCCTRLSEL[6] |= SYSCTL_FCCTRLSEL_DATAINSEL(1);
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/* Select Transmit I2S - Flexcomm 7 Data out to shared signal set 0 */
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SYSCTL->FCCTRLSEL[7] |= SYSCTL_FCCTRLSEL_DATAOUTSEL(1);
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#endif
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#endif
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return 0;
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}
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SYS_INIT(lpcxpresso_55s69_board_init, PRE_KERNEL_1, 0);
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