Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * linux/arch/arm/mach-pxa/pxa2xx.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * code specific to pxa2xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (C) 2008 Dmitry Baryshkov
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <mach/hardware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <mach/pxa2xx-regs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "mfp-pxa25x.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <mach/reset.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/platform_data/irda-pxaficp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) void pxa2xx_clear_reset_status(unsigned int mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	/* RESET_STATUS_* has a 1:1 mapping with RCSR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	RCSR = mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static unsigned long pxa2xx_mfp_fir[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	GPIO46_FICP_RXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	GPIO47_FICP_TXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static unsigned long pxa2xx_mfp_sir[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	GPIO46_STUART_RXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	GPIO47_STUART_TXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static unsigned long pxa2xx_mfp_off[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void pxa2xx_transceiver_mode(struct device *dev, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	if (mode & IR_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	} else if (mode & IR_SIRMODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 		pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	} else if (mode & IR_FIRMODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 		pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		BUG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode);