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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 18:24:08 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 18:24:08 -0700 |
commit | 30d38542ec777468bb6a31829076a2dbc5690e35 (patch) | |
tree | 698b7a4fdd730befa34c4c9642cdbe72ce7d336a /drivers/pcmcia | |
parent | 20b7997e8abdf338dcc27fb4f1333c4973a7f113 (diff) | |
parent | 044e5f45e4ad890d03bd1e8bb44c634397cac24d (diff) | |
download | op-kernel-dev-30d38542ec777468bb6a31829076a2dbc5690e35.zip op-kernel-dev-30d38542ec777468bb6a31829076a2dbc5690e35.tar.gz |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (85 commits)
[ARM] pxa: add base support for PXA930 Handheld Platform (aka SAAR)
[ARM] pxa: add base support for PXA930 Evaluation Board (aka TavorEVB)
[ARM] pxa: add base support for PXA930 (aka Tavor-P)
[ARM] Update mach-types
[ARM] pxa: make littleton to use the new smc91x platform data
[ARM] pxa: make zylonite to use the new smc91x platform data
[ARM] pxa: make mainstone to use the new smc91x platform data
[ARM] pxa: make lubbock to use new smc91x platform data
[NET] smc91x: prepare SMC_USE_PXA_DMA to be specified in platform data
[NET] smc91x: prepare for SMC_IO_SHIFT to be a platform configurable variable
[NET] smc91x: add SMC91X_NOWAIT flag to platform data
[NET] smc91x: favor the use of SMC91X_USE_* instead of SMC_CAN_USE_*
[NET] smc91x: remove "irq_flags" from "struct smc91x_platdata"
[ARM] 5146/1: pxa2xx: convert all boards to call pxa2xx_transceiver_mode helper
Support for LCD on e740 e750 e400 and e800 e-series PDAs
E-series UDC support
PXA UDC - allow use of inverted GPIO for pullup
Add e350 support
Fix broken e-series build
E-series GPIO / IRQ definitions.
...
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r-- | drivers/pcmcia/Kconfig | 3 | ||||
-rw-r--r-- | drivers/pcmcia/Makefile | 1 | ||||
-rw-r--r-- | drivers/pcmcia/pxa2xx_cm_x270.c | 93 | ||||
-rw-r--r-- | drivers/pcmcia/pxa2xx_palmtx.c | 118 |
4 files changed, 148 insertions, 67 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index e45402a..e0f8840 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -219,7 +219,8 @@ config PCMCIA_SA1111 config PCMCIA_PXA2XX tristate "PXA2xx support" depends on ARM && ARCH_PXA && PCMCIA - depends on ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL || MACH_ARMCORE + depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ + || MACH_ARMCORE || ARCH_PXA_PALM) help Say Y here to include support for the PXA2xx PCMCIA controller diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 85c6cc9..269a9e9 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -72,4 +72,5 @@ pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o +pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c index f123fce..bb95db7 100644 --- a/drivers/pcmcia/pxa2xx_cm_x270.c +++ b/drivers/pcmcia/pxa2xx_cm_x270.c @@ -5,83 +5,60 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * - * Compulab Ltd., 2003, 2007 + * Compulab Ltd., 2003, 2007, 2008 * Mike Rapoport <mike@compulab.co.il> * */ -#include <linux/kernel.h> -#include <linux/sched.h> #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/delay.h> +#include <linux/gpio.h> -#include <pcmcia/ss.h> -#include <asm/hardware.h> #include <asm/mach-types.h> - #include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-gpio.h> -#include <asm/arch/cm-x270.h> #include "soc_common.h" +#define GPIO_PCMCIA_S0_CD_VALID (84) +#define GPIO_PCMCIA_S0_RDYINT (82) +#define GPIO_PCMCIA_RESET (53) + +#define PCMCIA_S0_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S0_CD_VALID) +#define PCMCIA_S0_RDYINT IRQ_GPIO(GPIO_PCMCIA_S0_RDYINT) + + static struct pcmcia_irqs irqs[] = { { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" }, - { 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" }, }; static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | - GPIO_bit(GPIO49_nPWE) | - GPIO_bit(GPIO50_nPIOR) | - GPIO_bit(GPIO51_nPIOW) | - GPIO_bit(GPIO85_nPCE_1) | - GPIO_bit(GPIO54_nPCE_2); - - pxa_gpio_mode(GPIO48_nPOE_MD); - pxa_gpio_mode(GPIO49_nPWE_MD); - pxa_gpio_mode(GPIO50_nPIOR_MD); - pxa_gpio_mode(GPIO51_nPIOW_MD); - pxa_gpio_mode(GPIO85_nPCE_1_MD); - pxa_gpio_mode(GPIO54_nPCE_2_MD); - pxa_gpio_mode(GPIO55_nPREG_MD); - pxa_gpio_mode(GPIO56_nPWAIT_MD); - pxa_gpio_mode(GPIO57_nIOIS16_MD); - - /* Reset signal */ - pxa_gpio_mode(GPIO53_nPCE_2 | GPIO_OUT); - GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - - set_irq_type(PCMCIA_S0_CD_VALID, IRQ_TYPE_EDGE_BOTH); - set_irq_type(PCMCIA_S1_CD_VALID, IRQ_TYPE_EDGE_BOTH); - - /* irq's for slots: */ - set_irq_type(PCMCIA_S0_RDYINT, IRQ_TYPE_EDGE_FALLING); - set_irq_type(PCMCIA_S1_RDYINT, IRQ_TYPE_EDGE_FALLING); - - skt->irq = (skt->nr == 0) ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT; - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); + int ret = gpio_request(GPIO_PCMCIA_RESET, "PCCard reset"); + if (ret) + return ret; + gpio_direction_output(GPIO_PCMCIA_RESET, 0); + + skt->irq = PCMCIA_S0_RDYINT; + ret = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); + if (!ret) + gpio_free(GPIO_PCMCIA_RESET); + + return ret; } static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt) { soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); - - set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID), IRQ_TYPE_NONE); - set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID), IRQ_TYPE_NONE); - - set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_RDYINT), IRQ_TYPE_NONE); - set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_RDYINT), IRQ_TYPE_NONE); + gpio_free(GPIO_PCMCIA_RESET); } static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - state->detect = (PCC_DETECT(skt->nr) == 0) ? 1 : 0; - state->ready = (PCC_READY(skt->nr) == 0) ? 0 : 1; + state->detect = (gpio_get_value(GPIO_PCMCIA_S0_CD_VALID) == 0) ? 1 : 0; + state->ready = (gpio_get_value(GPIO_PCMCIA_S0_RDYINT) == 0) ? 0 : 1; state->bvd1 = 1; state->bvd2 = 1; state->vs_3v = 0; @@ -93,32 +70,16 @@ static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) { - GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - pxa_gpio_mode(GPIO49_nPWE | GPIO_OUT); - switch (skt->nr) { case 0: if (state->flags & SS_RESET) { - GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - udelay(10); - GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - } - break; - case 1: - if (state->flags & SS_RESET) { - GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); + gpio_set_value(GPIO_PCMCIA_RESET, 1); udelay(10); - GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); + gpio_set_value(GPIO_PCMCIA_RESET, 0); } break; } - pxa_gpio_mode(GPIO49_nPWE_MD); - return 0; } @@ -139,7 +100,7 @@ static struct pcmcia_low_level cmx270_pcmcia_ops __initdata = { .configure_socket = cmx270_pcmcia_configure_socket, .socket_init = cmx270_pcmcia_socket_init, .socket_suspend = cmx270_pcmcia_socket_suspend, - .nr = 2, + .nr = 1, }; static struct platform_device *cmx270_pcmcia_device; diff --git a/drivers/pcmcia/pxa2xx_palmtx.c b/drivers/pcmcia/pxa2xx_palmtx.c new file mode 100644 index 0000000..4abde19 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_palmtx.c @@ -0,0 +1,118 @@ +/* + * linux/drivers/pcmcia/pxa2xx_palmtx.c + * + * Driver for Palm T|X PCMCIA + * + * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <asm/mach-types.h> + +#include <asm/arch/gpio.h> +#include <asm/arch/palmtx.h> + +#include "soc_common.h" + +static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY); + return 0; +} + +static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ +} + +static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + state->detect = 1; /* always inserted */ + state->ready = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY); + state->bvd1 = 1; + state->bvd2 = 1; + state->wrprot = 0; + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int +palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER1, 1); + gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER2, 1); + gpio_set_value(GPIO_NR_PALMTX_PCMCIA_RESET, + !!(state->flags & SS_RESET)); + + return 0; +} + +static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level palmtx_pcmcia_ops = { + .owner = THIS_MODULE, + + .first = 0, + .nr = 1, + + .hw_init = palmtx_pcmcia_hw_init, + .hw_shutdown = palmtx_pcmcia_hw_shutdown, + + .socket_state = palmtx_pcmcia_socket_state, + .configure_socket = palmtx_pcmcia_configure_socket, + + .socket_init = palmtx_pcmcia_socket_init, + .socket_suspend = palmtx_pcmcia_socket_suspend, +}; + +static struct platform_device *palmtx_pcmcia_device; + +static int __init palmtx_pcmcia_init(void) +{ + int ret; + + if (!machine_is_palmtx()) + return -ENODEV; + + palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!palmtx_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops, + sizeof(palmtx_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(palmtx_pcmcia_device); + + if (ret) + platform_device_put(palmtx_pcmcia_device); + + return ret; +} + +static void __exit palmtx_pcmcia_exit(void) +{ + platform_device_unregister(palmtx_pcmcia_device); +} + +fs_initcall(palmtx_pcmcia_init); +module_exit(palmtx_pcmcia_exit); + +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("PCMCIA support for Palm T|X"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_LICENSE("GPL"); |