Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

ARM: sa1100/nanoengine: convert to generic CF sockets

Convert nanoengine to use the generic CF socket support.
Makefile fix from Arnd Bergmann <arnd@arndb.de>.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

+23 -138
+23
arch/arm/mach-sa1100/nanoengine.c
··· 12 12 */ 13 13 14 14 #include <linux/init.h> 15 + #include <linux/gpio/machine.h> 15 16 #include <linux/kernel.h> 16 17 #include <linux/platform_data/sa11x0-serial.h> 17 18 #include <linux/mtd/mtd.h> ··· 100 99 Ser2HSCR0 = 0; 101 100 } 102 101 102 + static struct gpiod_lookup_table nanoengine_pcmcia0_gpio_table = { 103 + .dev_id = "sa11x0-pcmcia.0", 104 + .table = { 105 + GPIO_LOOKUP("gpio", 11, "ready", GPIO_ACTIVE_HIGH), 106 + GPIO_LOOKUP("gpio", 13, "detect", GPIO_ACTIVE_LOW), 107 + GPIO_LOOKUP("gpio", 15, "reset", GPIO_ACTIVE_HIGH), 108 + { }, 109 + }, 110 + }; 111 + 112 + static struct gpiod_lookup_table nanoengine_pcmcia1_gpio_table = { 113 + .dev_id = "sa11x0-pcmcia.1", 114 + .table = { 115 + GPIO_LOOKUP("gpio", 12, "ready", GPIO_ACTIVE_HIGH), 116 + GPIO_LOOKUP("gpio", 14, "detect", GPIO_ACTIVE_LOW), 117 + GPIO_LOOKUP("gpio", 16, "reset", GPIO_ACTIVE_HIGH), 118 + { }, 119 + }, 120 + }; 121 + 103 122 static void __init nanoengine_init(void) 104 123 { 124 + sa11x0_register_pcmcia(0, &nanoengine_pcmcia0_gpio_table); 125 + sa11x0_register_pcmcia(1, &nanoengine_pcmcia1_gpio_table); 105 126 sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources, 106 127 ARRAY_SIZE(nanoengine_flash_resources)); 107 128 }
-1
drivers/pcmcia/Makefile
··· 49 49 sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o 50 50 sa1100_cs-$(CONFIG_SA1100_H3100) += sa1100_h3600.o 51 51 sa1100_cs-$(CONFIG_SA1100_H3600) += sa1100_h3600.o 52 - sa1100_cs-$(CONFIG_SA1100_NANOENGINE) += sa1100_nanoengine.o 53 52 sa1100_cs-$(CONFIG_SA1100_SHANNON) += sa1100_shannon.o 54 53 sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o 55 54
-3
drivers/pcmcia/sa1100_generic.c
··· 101 101 #if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600) 102 102 pcmcia_h3600_init, 103 103 #endif 104 - #ifdef CONFIG_SA1100_NANOENGINE 105 - pcmcia_nanoengine_init, 106 - #endif 107 104 #ifdef CONFIG_SA1100_SHANNON 108 105 pcmcia_shannon_init, 109 106 #endif
-1
drivers/pcmcia/sa1100_generic.h
··· 12 12 extern int pcmcia_gcplus_init(struct device *); 13 13 extern int pcmcia_graphicsmaster_init(struct device *); 14 14 extern int pcmcia_h3600_init(struct device *); 15 - extern int pcmcia_nanoengine_init(struct device *); 16 15 extern int pcmcia_pangolin_init(struct device *); 17 16 extern int pcmcia_pfs168_init(struct device *); 18 17 extern int pcmcia_shannon_init(struct device *);
-133
drivers/pcmcia/sa1100_nanoengine.c
··· 1 - /* 2 - * drivers/pcmcia/sa1100_nanoengine.c 3 - * 4 - * PCMCIA implementation routines for BSI nanoEngine. 5 - * 6 - * In order to have a fully functional pcmcia subsystem in a BSE nanoEngine 7 - * board you should carefully read this: 8 - * http://cambuca.ldhs.cetuc.puc-rio.br/nanoengine/ 9 - * 10 - * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> 11 - * 12 - * Based on original work for kernel 2.4 by 13 - * Miguel Freitas <miguel@cpti.cetuc.puc-rio.br> 14 - * 15 - * This program is free software; you can redistribute it and/or modify 16 - * it under the terms of the GNU General Public License version 2 as 17 - * published by the Free Software Foundation. 18 - * 19 - */ 20 - #include <linux/device.h> 21 - #include <linux/errno.h> 22 - #include <linux/gpio.h> 23 - #include <linux/interrupt.h> 24 - #include <linux/irq.h> 25 - #include <linux/init.h> 26 - #include <linux/kernel.h> 27 - #include <linux/module.h> 28 - #include <linux/signal.h> 29 - 30 - #include <asm/mach-types.h> 31 - #include <asm/irq.h> 32 - 33 - #include <mach/hardware.h> 34 - #include <mach/nanoengine.h> 35 - 36 - #include "sa1100_generic.h" 37 - 38 - struct nanoengine_pins { 39 - unsigned output_pins; 40 - unsigned clear_outputs; 41 - int gpio_rst; 42 - int gpio_cd; 43 - int gpio_rdy; 44 - }; 45 - 46 - static struct nanoengine_pins nano_skts[] = { 47 - { 48 - .gpio_rst = GPIO_PC_RESET0, 49 - .gpio_cd = GPIO_PC_CD0, 50 - .gpio_rdy = GPIO_PC_READY0, 51 - }, { 52 - .gpio_rst = GPIO_PC_RESET1, 53 - .gpio_cd = GPIO_PC_CD1, 54 - .gpio_rdy = GPIO_PC_READY1, 55 - } 56 - }; 57 - 58 - unsigned num_nano_pcmcia_sockets = ARRAY_SIZE(nano_skts); 59 - 60 - static int nanoengine_pcmcia_hw_init(struct soc_pcmcia_socket *skt) 61 - { 62 - unsigned i = skt->nr; 63 - int ret; 64 - 65 - if (i >= num_nano_pcmcia_sockets) 66 - return -ENXIO; 67 - 68 - ret = gpio_request_one(nano_skts[i].gpio_rst, GPIOF_OUT_INIT_LOW, 69 - i ? "PC RST1" : "PC RST0"); 70 - if (ret) 71 - return ret; 72 - 73 - skt->stat[SOC_STAT_CD].gpio = nano_skts[i].gpio_cd; 74 - skt->stat[SOC_STAT_CD].name = i ? "PC CD1" : "PC CD0"; 75 - skt->stat[SOC_STAT_RDY].gpio = nano_skts[i].gpio_rdy; 76 - skt->stat[SOC_STAT_RDY].name = i ? "PC RDY1" : "PC RDY0"; 77 - 78 - return 0; 79 - } 80 - 81 - static void nanoengine_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) 82 - { 83 - gpio_free(nano_skts[skt->nr].gpio_rst); 84 - } 85 - 86 - static int nanoengine_pcmcia_configure_socket( 87 - struct soc_pcmcia_socket *skt, const socket_state_t *state) 88 - { 89 - unsigned i = skt->nr; 90 - 91 - if (i >= num_nano_pcmcia_sockets) 92 - return -ENXIO; 93 - 94 - gpio_set_value(nano_skts[skt->nr].gpio_rst, !!(state->flags & SS_RESET)); 95 - 96 - return 0; 97 - } 98 - 99 - static void nanoengine_pcmcia_socket_state( 100 - struct soc_pcmcia_socket *skt, struct pcmcia_state *state) 101 - { 102 - unsigned i = skt->nr; 103 - 104 - if (i >= num_nano_pcmcia_sockets) 105 - return; 106 - 107 - state->bvd1 = 1; 108 - state->bvd2 = 1; 109 - state->vs_3v = 1; /* Can only apply 3.3V */ 110 - state->vs_Xv = 0; 111 - } 112 - 113 - static struct pcmcia_low_level nanoengine_pcmcia_ops = { 114 - .owner = THIS_MODULE, 115 - 116 - .hw_init = nanoengine_pcmcia_hw_init, 117 - .hw_shutdown = nanoengine_pcmcia_hw_shutdown, 118 - 119 - .configure_socket = nanoengine_pcmcia_configure_socket, 120 - .socket_state = nanoengine_pcmcia_socket_state, 121 - }; 122 - 123 - int pcmcia_nanoengine_init(struct device *dev) 124 - { 125 - int ret = -ENODEV; 126 - 127 - if (machine_is_nanoengine()) 128 - ret = sa11xx_drv_pcmcia_probe( 129 - dev, &nanoengine_pcmcia_ops, 0, 2); 130 - 131 - return ret; 132 - } 133 -