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-rw-r--r--drivers/mtd/nand/orion_nand.c47
-rw-r--r--drivers/pcmcia/Kconfig2
-rw-r--r--drivers/pcmcia/Makefile1
-rw-r--r--drivers/pcmcia/pxa2xx_hx4700.c121
4 files changed, 167 insertions, 4 deletions
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index 1d3bfb26080..0f50ef38b87 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -13,6 +13,7 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
@@ -74,11 +75,13 @@ static void orion_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
static int __init orion_nand_probe(struct platform_device *pdev)
{
struct mtd_info *mtd;
+ struct mtd_part_parser_data ppdata = {};
struct nand_chip *nc;
struct orion_nand_data *board;
struct resource *res;
void __iomem *io_base;
int ret = 0;
+ u32 val = 0;
nc = kzalloc(sizeof(struct nand_chip) + sizeof(struct mtd_info), GFP_KERNEL);
if (!nc) {
@@ -101,7 +104,32 @@ static int __init orion_nand_probe(struct platform_device *pdev)
goto no_res;
}
- board = pdev->dev.platform_data;
+ if (pdev->dev.of_node) {
+ board = devm_kzalloc(&pdev->dev, sizeof(struct orion_nand_data),
+ GFP_KERNEL);
+ if (!board) {
+ printk(KERN_ERR "orion_nand: failed to allocate board structure.\n");
+ ret = -ENOMEM;
+ goto no_res;
+ }
+ if (!of_property_read_u32(pdev->dev.of_node, "cle", &val))
+ board->cle = (u8)val;
+ else
+ board->cle = 0;
+ if (!of_property_read_u32(pdev->dev.of_node, "ale", &val))
+ board->ale = (u8)val;
+ else
+ board->ale = 1;
+ if (!of_property_read_u32(pdev->dev.of_node,
+ "bank-width", &val))
+ board->width = (u8)val * 8;
+ else
+ board->width = 8;
+ if (!of_property_read_u32(pdev->dev.of_node,
+ "chip-delay", &val))
+ board->chip_delay = (u8)val;
+ } else
+ board = pdev->dev.platform_data;
mtd->priv = nc;
mtd->owner = THIS_MODULE;
@@ -115,6 +143,10 @@ static int __init orion_nand_probe(struct platform_device *pdev)
if (board->chip_delay)
nc->chip_delay = board->chip_delay;
+ WARN(board->width > 16,
+ "%d bit bus width out of range",
+ board->width);
+
if (board->width == 16)
nc->options |= NAND_BUSWIDTH_16;
@@ -129,8 +161,9 @@ static int __init orion_nand_probe(struct platform_device *pdev)
}
mtd->name = "orion_nand";
- ret = mtd_device_parse_register(mtd, NULL, NULL, board->parts,
- board->nr_parts);
+ ppdata.of_node = pdev->dev.of_node;
+ ret = mtd_device_parse_register(mtd, NULL, &ppdata,
+ board->parts, board->nr_parts);
if (ret) {
nand_release(mtd);
goto no_dev;
@@ -161,11 +194,19 @@ static int __devexit orion_nand_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_OF
+static struct of_device_id orion_nand_of_match_table[] = {
+ { .compatible = "mrvl,orion-nand", },
+ {},
+};
+#endif
+
static struct platform_driver orion_nand_driver = {
.remove = __devexit_p(orion_nand_remove),
.driver = {
.name = "orion_nand",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(orion_nand_of_match_table),
},
};
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index bba3ab2066e..8fd255f7ee4 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -217,7 +217,7 @@ config PCMCIA_PXA2XX
|| MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
|| ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \
|| MACH_VPAC270 || MACH_BALLOON3 || MACH_COLIBRI \
- || MACH_COLIBRI320)
+ || MACH_COLIBRI320 || MACH_H4700)
select PCMCIA_SA1111 if ARCH_LUBBOCK && SA1111
select PCMCIA_SOC_COMMON
help
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 47525de6a63..7745b512a87 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -69,6 +69,7 @@ pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o
pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o
pxa2xx-obj-$(CONFIG_MACH_COLIBRI) += pxa2xx_colibri.o
pxa2xx-obj-$(CONFIG_MACH_COLIBRI320) += pxa2xx_colibri.o
+pxa2xx-obj-$(CONFIG_MACH_H4700) += pxa2xx_hx4700.o
obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y)
diff --git a/drivers/pcmcia/pxa2xx_hx4700.c b/drivers/pcmcia/pxa2xx_hx4700.c
new file mode 100644
index 00000000000..7dfef3ee5b5
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_hx4700.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2012 Paul Parsons <lost.distance@yahoo.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 <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hx4700.h>
+
+#include "soc_common.h"
+
+static struct gpio gpios[] = {
+ { GPIO114_HX4700_CF_RESET, GPIOF_OUT_INIT_LOW, "CF reset" },
+ { EGPIO4_CF_3V3_ON, GPIOF_OUT_INIT_LOW, "CF 3.3V enable" },
+};
+
+static int hx4700_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ int ret;
+
+ ret = gpio_request_array(gpios, ARRAY_SIZE(gpios));
+ if (ret)
+ goto out;
+
+ /*
+ * IRQ type must be set before soc_pcmcia_hw_init() calls request_irq().
+ * The asic3 default IRQ type is level trigger low level detect, exactly
+ * the the signal present on GPIOD4_CF_nCD when a CF card is inserted.
+ * If the IRQ type is not changed, the asic3 interrupt handler will loop
+ * repeatedly because it is unable to clear the level trigger interrupt.
+ */
+ irq_set_irq_type(gpio_to_irq(GPIOD4_CF_nCD), IRQ_TYPE_EDGE_BOTH);
+
+ skt->stat[SOC_STAT_CD].gpio = GPIOD4_CF_nCD;
+ skt->stat[SOC_STAT_CD].name = "PCMCIA CD";
+ skt->stat[SOC_STAT_RDY].gpio = GPIO60_HX4700_CF_RNB;
+ skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready";
+
+out:
+ return ret;
+}
+
+static void hx4700_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+ gpio_free_array(gpios, ARRAY_SIZE(gpios));
+}
+
+static void hx4700_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ state->vs_3v = 1;
+ state->vs_Xv = 0;
+}
+
+static int hx4700_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ switch (state->Vcc) {
+ case 0:
+ gpio_set_value(EGPIO4_CF_3V3_ON, 0);
+ break;
+ case 33:
+ gpio_set_value(EGPIO4_CF_3V3_ON, 1);
+ break;
+ default:
+ printk(KERN_ERR "pcmcia: Unsupported Vcc: %d\n", state->Vcc);
+ return -EINVAL;
+ }
+
+ gpio_set_value(GPIO114_HX4700_CF_RESET, (state->flags & SS_RESET) != 0);
+
+ return 0;
+}
+
+static struct pcmcia_low_level hx4700_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .nr = 1,
+ .hw_init = hx4700_pcmcia_hw_init,
+ .hw_shutdown = hx4700_pcmcia_hw_shutdown,
+ .socket_state = hx4700_pcmcia_socket_state,
+ .configure_socket = hx4700_pcmcia_configure_socket,
+};
+
+static struct platform_device *hx4700_pcmcia_device;
+
+static int __init hx4700_pcmcia_init(void)
+{
+ struct platform_device *pdev;
+
+ if (!machine_is_h4700())
+ return -ENODEV;
+
+ pdev = platform_device_register_data(NULL, "pxa2xx-pcmcia", -1,
+ &hx4700_pcmcia_ops, sizeof(hx4700_pcmcia_ops));
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+
+ hx4700_pcmcia_device = pdev;
+
+ return 0;
+}
+
+static void __exit hx4700_pcmcia_exit(void)
+{
+ platform_device_unregister(hx4700_pcmcia_device);
+}
+
+module_init(hx4700_pcmcia_init);
+module_exit(hx4700_pcmcia_exit);
+
+MODULE_AUTHOR("Paul Parsons <lost.distance@yahoo.com>");
+MODULE_DESCRIPTION("HP iPAQ hx4700 PCMCIA driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 10:17:06 +0000