From mboxrd@z Thu Jan 1 00:00:00 1970 From: marek.vasut@gmail.com (Marek Vasut) Date: Sat, 21 Aug 2010 08:22:15 +0200 Subject: [PATCH 08/13] PXA: Colibri: Toradex Colibri PXA270 CF support In-Reply-To: <20100818114326.GH17833@buzzloop.caiaq.de> References: <1281673964-2119-1-git-send-email-marek.vasut@gmail.com> <1281673964-2119-8-git-send-email-marek.vasut@gmail.com> <20100818114326.GH17833@buzzloop.caiaq.de> Message-ID: <201008210822.15855.marek.vasut@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dne St 18. srpna 2010 13:43:26 Daniel Mack napsal(a): > Hi Marek, > > On Fri, Aug 13, 2010 at 06:32:39AM +0200, Marek Vasut wrote: > > This driver also contains structures to eventually support PXA320. This > > is planned to be added in a later patch. > > > > Signed-off-by: Marek Vasut > > I have currently no access to my Colibri hardware, but the changes to > the code look sane and totally make sense to me. You can add my > > Acked-by: Daniel Mack Hi Dan, do I have this for all the colibri patches in the tree? Thanks > > > Thanks, > Daniel > > > --- > > > > arch/arm/mach-pxa/colibri-pxa270-evalboard.c | 18 ++ > > drivers/pcmcia/Kconfig | 2 +- > > drivers/pcmcia/Makefile | 1 + > > drivers/pcmcia/pxa2xx_colibri.c | 215 > > ++++++++++++++++++++++++++ 4 files changed, 235 insertions(+), 1 > > deletions(-) > > create mode 100644 drivers/pcmcia/pxa2xx_colibri.c > > > > diff --git a/arch/arm/mach-pxa/colibri-pxa270-evalboard.c > > b/arch/arm/mach-pxa/colibri-pxa270-evalboard.c index 0f3b632..6177ff5 > > 100644 > > --- a/arch/arm/mach-pxa/colibri-pxa270-evalboard.c > > +++ b/arch/arm/mach-pxa/colibri-pxa270-evalboard.c > > @@ -51,6 +51,24 @@ static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] > > __initdata = { > > > > GPIO89_USBH1_PEN, > > GPIO119_USBH2_PWR, > > GPIO120_USBH2_PEN, > > > > + > > + /* PCMCIA */ > > + GPIO85_nPCE_1, > > + GPIO54_nPCE_2, > > + GPIO55_nPREG, > > + GPIO50_nPIOR, > > + GPIO51_nPIOW, > > + GPIO49_nPWE, > > + GPIO48_nPOE, > > + GPIO57_nIOIS16, > > + GPIO56_nPWAIT, > > + GPIO104_PSKTSEL, > > + GPIO53_GPIO, /* RESET */ > > + GPIO83_GPIO, /* BVD1 */ > > + GPIO82_GPIO, /* BVD2 */ > > + GPIO1_GPIO, /* READY */ > > + GPIO84_GPIO, /* DETECT */ > > + GPIO107_GPIO, /* PPEN */ > > > > }; > > > > /*********************************************************************** > > ******* > > > > diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig > > index ef2f659..883623a 100644 > > --- a/drivers/pcmcia/Kconfig > > +++ b/drivers/pcmcia/Kconfig > > @@ -215,7 +215,7 @@ config PCMCIA_PXA2XX > > > > depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ > > > > || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \ > > || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \ > > > > - || MACH_VPAC270 || MACH_BALLOON3) > > + || MACH_VPAC270 || MACH_BALLOON3 || MACH_COLIBRI) > > > > select PCMCIA_SOC_COMMON > > help > > > > Say Y here to include support for the PXA2xx PCMCIA controller > > > > diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile > > index 6a60773..0e989a1 100644 > > --- a/drivers/pcmcia/Makefile > > +++ b/drivers/pcmcia/Makefile > > @@ -71,6 +71,7 @@ pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o > > > > pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o > > pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o > > pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o > > > > +pxa2xx-obj-$(CONFIG_MACH_COLIBRI) += pxa2xx_colibri.o > > > > obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y) > > > > diff --git a/drivers/pcmcia/pxa2xx_colibri.c > > b/drivers/pcmcia/pxa2xx_colibri.c new file mode 100644 > > index 0000000..8373816 > > --- /dev/null > > +++ b/drivers/pcmcia/pxa2xx_colibri.c > > @@ -0,0 +1,215 @@ > > +/* > > + * linux/drivers/pcmcia/pxa2xx_colibri.c > > + * > > + * Driver for Toradex Colibri PXA270 CF socket > > + * > > + * Copyright (C) 2010 Marek Vasut > > + * > > + * 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 > > +#include > > +#include > > + > > +#include > > + > > +#include > > + > > +#include "soc_common.h" > > + > > +#define COLIBRI270_RESET_GPIO 53 > > +#define COLIBRI270_PPEN_GPIO 107 > > +#define COLIBRI270_BVD1_GPIO 83 > > +#define COLIBRI270_BVD2_GPIO 82 > > +#define COLIBRI270_DETECT_GPIO 84 > > +#define COLIBRI270_READY_GPIO 1 > > + > > +static struct { > > + int reset_gpio; > > + int ppen_gpio; > > + int bvd1_gpio; > > + int bvd2_gpio; > > + int detect_gpio; > > + int ready_gpio; > > +} colibri_pcmcia_gpio; > > + > > +static struct pcmcia_irqs colibri_irqs[] = { > > + { > > + .sock = 0, > > + .str = "PCMCIA CD" > > + }, > > +}; > > + > > +static int colibri_pcmcia_hw_init(struct soc_pcmcia_socket *skt) > > +{ > > + int ret; > > + > > + ret = gpio_request(colibri_pcmcia_gpio.detect_gpio, "DETECT"); > > + if (ret) > > + goto err1; > > + ret = gpio_direction_input(colibri_pcmcia_gpio.detect_gpio); > > + if (ret) > > + goto err2; > > + > > + ret = gpio_request(colibri_pcmcia_gpio.ready_gpio, "READY"); > > + if (ret) > > + goto err2; > > + ret = gpio_direction_input(colibri_pcmcia_gpio.ready_gpio); > > + if (ret) > > + goto err3; > > + > > + ret = gpio_request(colibri_pcmcia_gpio.bvd1_gpio, "BVD1"); > > + if (ret) > > + goto err3; > > + ret = gpio_direction_input(colibri_pcmcia_gpio.bvd1_gpio); > > + if (ret) > > + goto err4; > > + > > + ret = gpio_request(colibri_pcmcia_gpio.bvd2_gpio, "BVD2"); > > + if (ret) > > + goto err4; > > + ret = gpio_direction_input(colibri_pcmcia_gpio.bvd2_gpio); > > + if (ret) > > + goto err5; > > + > > + ret = gpio_request(colibri_pcmcia_gpio.ppen_gpio, "PPEN"); > > + if (ret) > > + goto err5; > > + ret = gpio_direction_output(colibri_pcmcia_gpio.ppen_gpio, 0); > > + if (ret) > > + goto err6; > > + > > + ret = gpio_request(colibri_pcmcia_gpio.reset_gpio, "RESET"); > > + if (ret) > > + goto err6; > > + ret = gpio_direction_output(colibri_pcmcia_gpio.reset_gpio, 1); > > + if (ret) > > + goto err7; > > + > > + colibri_irqs[0].irq = gpio_to_irq(colibri_pcmcia_gpio.detect_gpio); > > + skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpio.ready_gpio); > > + > > + return soc_pcmcia_request_irqs(skt, colibri_irqs, > > + ARRAY_SIZE(colibri_irqs)); > > + > > +err7: > > + gpio_free(colibri_pcmcia_gpio.detect_gpio); > > +err6: > > + gpio_free(colibri_pcmcia_gpio.ready_gpio); > > +err5: > > + gpio_free(colibri_pcmcia_gpio.bvd1_gpio); > > +err4: > > + gpio_free(colibri_pcmcia_gpio.bvd2_gpio); > > +err3: > > + gpio_free(colibri_pcmcia_gpio.reset_gpio); > > +err2: > > + gpio_free(colibri_pcmcia_gpio.ppen_gpio); > > +err1: > > + return ret; > > +} > > + > > +static void colibri_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) > > +{ > > + gpio_free(colibri_pcmcia_gpio.detect_gpio); > > + gpio_free(colibri_pcmcia_gpio.ready_gpio); > > + gpio_free(colibri_pcmcia_gpio.bvd1_gpio); > > + gpio_free(colibri_pcmcia_gpio.bvd2_gpio); > > + gpio_free(colibri_pcmcia_gpio.reset_gpio); > > + gpio_free(colibri_pcmcia_gpio.ppen_gpio); > > +} > > + > > +static void colibri_pcmcia_socket_state(struct soc_pcmcia_socket *skt, > > + struct pcmcia_state *state) > > +{ > > + > > + state->detect = !!gpio_get_value(colibri_pcmcia_gpio.detect_gpio); > > + state->ready = !!gpio_get_value(colibri_pcmcia_gpio.ready_gpio); > > + state->bvd1 = !!gpio_get_value(colibri_pcmcia_gpio.bvd1_gpio); > > + state->bvd2 = !!gpio_get_value(colibri_pcmcia_gpio.bvd2_gpio); > > + state->wrprot = 0; > > + state->vs_3v = 1; > > + state->vs_Xv = 0; > > +} > > + > > +static int > > +colibri_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, > > + const socket_state_t *state) > > +{ > > + gpio_set_value(colibri_pcmcia_gpio.ppen_gpio, > > + !(state->Vcc == 33 && state->Vpp < 50)); > > + gpio_set_value(colibri_pcmcia_gpio.reset_gpio, state->flags & > > SS_RESET); + return 0; > > +} > > + > > +static void colibri_pcmcia_socket_init(struct soc_pcmcia_socket *skt) > > +{ > > +} > > + > > +static void colibri_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) > > +{ > > +} > > + > > +static struct pcmcia_low_level colibri_pcmcia_ops = { > > + .owner = THIS_MODULE, > > + > > + .first = 0, > > + .nr = 1, > > + > > + .hw_init = colibri_pcmcia_hw_init, > > + .hw_shutdown = colibri_pcmcia_hw_shutdown, > > + > > + .socket_state = colibri_pcmcia_socket_state, > > + .configure_socket = colibri_pcmcia_configure_socket, > > + > > + .socket_init = colibri_pcmcia_socket_init, > > + .socket_suspend = colibri_pcmcia_socket_suspend, > > +}; > > + > > +static struct platform_device *colibri_pcmcia_device; > > + > > +static int __init colibri_pcmcia_init(void) > > +{ > > + int ret; > > + > > + colibri_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); > > + if (!colibri_pcmcia_device) > > + return -ENOMEM; > > + > > + /* Colibri PXA270 */ > > + if (machine_is_colibri()) { > > + colibri_pcmcia_gpio.reset_gpio = COLIBRI270_RESET_GPIO; > > + colibri_pcmcia_gpio.ppen_gpio = COLIBRI270_PPEN_GPIO; > > + colibri_pcmcia_gpio.bvd1_gpio = COLIBRI270_BVD1_GPIO; > > + colibri_pcmcia_gpio.bvd2_gpio = COLIBRI270_BVD2_GPIO; > > + colibri_pcmcia_gpio.detect_gpio = COLIBRI270_DETECT_GPIO; > > + colibri_pcmcia_gpio.ready_gpio = COLIBRI270_READY_GPIO; > > + } > > + > > + ret = platform_device_add_data(colibri_pcmcia_device, > > + &colibri_pcmcia_ops, sizeof(colibri_pcmcia_ops)); > > + > > + if (!ret) > > + ret = platform_device_add(colibri_pcmcia_device); > > + > > + if (ret) > > + platform_device_put(colibri_pcmcia_device); > > + > > + return ret; > > +} > > + > > +static void __exit colibri_pcmcia_exit(void) > > +{ > > + platform_device_unregister(colibri_pcmcia_device); > > +} > > + > > +module_init(colibri_pcmcia_init); > > +module_exit(colibri_pcmcia_exit); > > + > > +MODULE_AUTHOR("Marek Vasut "); > > +MODULE_DESCRIPTION("PCMCIA support for Toradex Colibri PXA270"); > > +MODULE_ALIAS("platform:pxa2xx-pcmcia"); > > +MODULE_LICENSE("GPL");