^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/drivers/pcmcia/sa1100_neponset.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Neponset PCMCIA specific routines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "sa1111_generic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "max1600.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * Neponset uses the Maxim MAX1600, with the following connections:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * MAX1600 Neponset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * A0VCC SA-1111 GPIO A<1>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * A1VCC SA-1111 GPIO A<0>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * A0VPP CPLD NCR A0VPP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * A1VPP CPLD NCR A1VPP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * B0VCC SA-1111 GPIO A<2>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * B1VCC SA-1111 GPIO A<3>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * B0VPP ground (slot B is CF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * B1VPP ground (slot B is CF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * VX VCC (5V)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * VY VCC3_3 (3.3V)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * 12INA 12V
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * 12INB ground (slot B is CF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * The MAX1600 CODE pin is tied to ground, placing the device in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * "Standard Intel code" mode. Refer to the Maxim data sheet for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * the corresponding truth table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static int neponset_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct max1600 *m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) ret = max1600_init(skt->socket.dev.parent, &m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) skt->nr ? MAX1600_CHAN_B : MAX1600_CHAN_A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) MAX1600_CODE_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) skt->driver_data = m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) neponset_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct max1600 *m = skt->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) ret = sa1111_pcmcia_configure_socket(skt, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) ret = max1600_configure(m, state->Vcc, state->Vpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static struct pcmcia_low_level neponset_pcmcia_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .hw_init = neponset_pcmcia_hw_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .configure_socket = neponset_pcmcia_configure_socket,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .nr = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int pcmcia_neponset_init(struct sa1111_dev *sadev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) sa11xx_drv_pcmcia_ops(&neponset_pcmcia_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return sa1111_pcmcia_add(sadev, &neponset_pcmcia_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) sa11xx_drv_pcmcia_add_one);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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