* [PATCH V3 1/3] ARM: mxs: add GPMI support for imx23/imx28
@ 2011-04-25 10:20 Huang Shijie
2011-04-25 10:20 ` [PATCH V3 2/3] ARM: mxs: add GPMI device for imx23 Huang Shijie
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Huang Shijie @ 2011-04-25 10:20 UTC (permalink / raw)
To: linux-arm-kernel
add gpmi support for imx23 and imx28.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
arch/arm/mach-mxs/Kconfig | 2 +
arch/arm/mach-mxs/include/mach/gpmi-nfc.h | 71 +++++++++++++++++++++++++++++
2 files changed, 73 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-mxs/include/mach/gpmi-nfc.h
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 4f6f174..8132f1a 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -22,6 +22,7 @@ config MACH_MX23EVK
select SOC_IMX23
select MXS_HAVE_AMBA_DUART
select MXS_HAVE_PLATFORM_AUART
+ select MXS_HAVE_PLATFORM_GPMI_NFC
select MXS_HAVE_PLATFORM_MXSFB
default y
help
@@ -35,6 +36,7 @@ config MACH_MX28EVK
select MXS_HAVE_PLATFORM_AUART
select MXS_HAVE_PLATFORM_FEC
select MXS_HAVE_PLATFORM_FLEXCAN
+ select MXS_HAVE_PLATFORM_GPMI_NFC
select MXS_HAVE_PLATFORM_MXSFB
select MXS_OCOTP
default y
diff --git a/arch/arm/mach-mxs/include/mach/gpmi-nfc.h b/arch/arm/mach-mxs/include/mach/gpmi-nfc.h
new file mode 100644
index 0000000..25fc605
--- /dev/null
+++ b/arch/arm/mach-mxs/include/mach/gpmi-nfc.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __INCLUDE_GPMI_NFC_H
+#define __INCLUDE_GPMI_NFC_H
+
+/* The size of the resource is fixed. */
+#define RES_SIZE 6
+
+/* Resource names for the GPMI NFC driver. */
+#define GPMI_NFC_GPMI_REGS_ADDR_RES_NAME "GPMI NFC GPMI Registers"
+#define GPMI_NFC_GPMI_INTERRUPT_RES_NAME "GPMI NFC GPMI Interrupt"
+#define GPMI_NFC_BCH_REGS_ADDR_RES_NAME "GPMI NFC BCH Registers"
+#define GPMI_NFC_BCH_INTERRUPT_RES_NAME "GPMI NFC BCH Interrupt"
+#define GPMI_NFC_DMA_CHANNELS_RES_NAME "GPMI NFC DMA Channels"
+#define GPMI_NFC_DMA_INTERRUPT_RES_NAME "GPMI NFC DMA Interrupt"
+
+/**
+ * struct gpmi_nfc_platform_data - GPMI NFC driver platform data.
+ *
+ * This structure communicates platform-specific information to the GPMI NFC
+ * driver that can't be expressed as resources.
+ *
+ * @platform_init: A pointer to a function the driver will call to
+ * initialize the platform (e.g., set up the pin mux).
+ * @platform_exit: A pointer to a function the driver will call to
+ * exit the platform (e.g., free pins).
+ * @min_prop_delay_in_ns: Minimum propagation delay of GPMI signals to and
+ * from the NAND Flash device, in nanoseconds.
+ * @max_prop_delay_in_ns: Maximum propagation delay of GPMI signals to and
+ * from the NAND Flash device, in nanoseconds.
+ * @max_chip_count: The maximum number of chips for which the driver
+ * should configure the hardware. This value most
+ * likely reflects the number of pins that are
+ * connected to a NAND Flash device. If this is
+ * greater than the SoC hardware can support, the
+ * driver will print a message and fail to initialize.
+ * @partitions: An optional pointer to an array of partition
+ * descriptions.
+ * @partition_count: The number of elements in the partitions array.
+ */
+struct gpmi_nfc_platform_data {
+ /* SoC hardware information. */
+ int (*platform_init)(void);
+ void (*platform_exit)(void);
+
+ /* NAND Flash information. */
+ unsigned int min_prop_delay_in_ns;
+ unsigned int max_prop_delay_in_ns;
+ unsigned int max_chip_count;
+
+ /* Medium information. */
+ struct mtd_partition *partitions;
+ unsigned partition_count;
+};
+#endif
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH V3 2/3] ARM: mxs: add GPMI device for imx23
2011-04-25 10:20 [PATCH V3 1/3] ARM: mxs: add GPMI support for imx23/imx28 Huang Shijie
@ 2011-04-25 10:20 ` Huang Shijie
2011-04-25 10:20 ` [PATCH V3 3/3] ARM: mxs: add GPMI device for imx28 Huang Shijie
2011-05-03 6:15 ` [PATCH V3 1/3] ARM: mxs: add GPMI support for imx23/imx28 Huang Shijie
2 siblings, 0 replies; 4+ messages in thread
From: Huang Shijie @ 2011-04-25 10:20 UTC (permalink / raw)
To: linux-arm-kernel
add the gpmi device for imx23.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
arch/arm/mach-mxs/clock-mx23.c | 1 +
arch/arm/mach-mxs/devices-mx23.h | 4 +
arch/arm/mach-mxs/devices/Kconfig | 3 +
arch/arm/mach-mxs/devices/Makefile | 1 +
arch/arm/mach-mxs/devices/platform-gpmi-nfc.c | 71 +++++++++++++++++++++++
arch/arm/mach-mxs/include/mach/devices-common.h | 10 +++
arch/arm/mach-mxs/mach-mx23evk.c | 37 ++++++++++++
7 files changed, 127 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index d133c7f..81d54bf 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -454,6 +454,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
+ _REGISTER_CLOCK("imx23-gpmi-nfc", NULL, gpmi_clk)
};
static int clk_misc_init(void)
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index c7e14f4..7f87a1c 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst;
#define mx23_add_auart0() mx23_add_auart(0)
#define mx23_add_auart1() mx23_add_auart(1)
+extern const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst;
+#define mx23_add_gpmi_nfc(pdata) \
+ mxs_add_gpmi_nfc(pdata, &mx23_gpmi_nfc_data)
+
#define mx23_add_mxs_pwm(id) mxs_add_mxs_pwm(MX23_PWM_BASE_ADDR, id)
struct platform_device *__init mx23_add_mxsfb(
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index 1451ad0..072c8e5 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN
select HAVE_CAN_FLEXCAN if CAN
bool
+config MXS_HAVE_PLATFORM_GPMI_NFC
+ bool
+
config MXS_HAVE_PLATFORM_MXS_I2C
bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index 0d9bea3..8be6e95 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
obj-y += platform-dma.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NFC) += platform-gpmi-nfc.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o
diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
new file mode 100644
index 0000000..5a68370
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include <asm/sizes.h>
+#include <mach/mx23.h>
+#include <mach/devices-common.h>
+
+#define RES_MEM(soc, _id, _s, _n) \
+ { \
+ .start = soc ##_## _id ## _BASE_ADDR, \
+ .end = soc ##_## _id ## _BASE_ADDR + (_s) - 1,\
+ .name = (_n), \
+ .flags = IORESOURCE_MEM, \
+ }
+
+#define RES_IRQ(soc, _id, _n) \
+ { \
+ .start = soc ##_INT_## _id, \
+ .end = soc ##_INT_## _id, \
+ .name = (_n), \
+ .flags = IORESOURCE_IRQ, \
+ }
+
+#define RES_DMA(soc, _i_s, _i_e, _n) \
+ { \
+ .start = soc ##_## _i_s, \
+ .end = soc ##_## _i_e, \
+ .name = (_n), \
+ .flags = IORESOURCE_DMA, \
+ }
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst = {
+ .devid = "imx23-gpmi-nfc",
+ .res = {
+ /* GPMI */
+ RES_MEM(MX23, GPMI, SZ_8K, GPMI_NFC_GPMI_REGS_ADDR_RES_NAME),
+ RES_IRQ(MX23, GPMI_ATTENTION, GPMI_NFC_GPMI_INTERRUPT_RES_NAME),
+ /* BCH */
+ RES_MEM(MX23, BCH, SZ_8K, GPMI_NFC_BCH_REGS_ADDR_RES_NAME),
+ RES_IRQ(MX23, BCH, GPMI_NFC_BCH_INTERRUPT_RES_NAME),
+ /* DMA */
+ RES_DMA(MX23, DMA_GPMI0, DMA_GPMI3,
+ GPMI_NFC_DMA_CHANNELS_RES_NAME),
+ RES_IRQ(MX23, GPMI_DMA, GPMI_NFC_DMA_INTERRUPT_RES_NAME),
+ },
+};
+#endif
+
+struct platform_device *__init
+mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
+ const struct mxs_gpmi_nfc_data *data)
+{
+ return mxs_add_platform_device_dmamask(data->devid, -1,
+ data->res, RES_SIZE,
+ pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 71f2448..a4293ab 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -64,6 +64,16 @@ struct platform_device *__init mxs_add_flexcan(
const struct mxs_flexcan_data *data,
const struct flexcan_platform_data *pdata);
+/* gpmi-nfc */
+#include <mach/gpmi-nfc.h>
+struct mxs_gpmi_nfc_data {
+ const char *devid;
+ const struct resource res[RES_SIZE];
+};
+struct platform_device *__init
+mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
+ const struct mxs_gpmi_nfc_data *data);
+
/* i2c */
struct mxs_i2c_data {
int id;
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index a66994f..6743330 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -75,6 +75,42 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL,
};
+/* gpmi-nfc */
+#define MXS_PAD_GPMI_NFC (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL)
+static iomux_cfg_t mx23evk_gpmi_nfc_pads[] = {
+ MX23_PAD_GPMI_D00__GPMI_D00 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D01__GPMI_D01 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D02__GPMI_D02 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D03__GPMI_D03 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D04__GPMI_D04 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D05__GPMI_D05 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D06__GPMI_D06 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D07__GPMI_D07 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_WPN__GPMI_WPN | MXS_PAD_GPMI_NFC,
+ MX23_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_GPMI_NFC,
+ MX23_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_GPMI_NFC,
+ MX23_PAD_GPMI_RDY0__GPMI_RDY0 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_RDY1__GPMI_RDY1 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
+};
+
+static int mx23evk_gpmi_nfc_platform_init(void)
+{
+ return mxs_iomux_setup_multiple_pads(mx23evk_gpmi_nfc_pads,
+ ARRAY_SIZE(mx23evk_gpmi_nfc_pads));
+}
+
+static const
+struct gpmi_nfc_platform_data mx23evk_gpmi_nfc_data __initconst = {
+ .platform_init = mx23evk_gpmi_nfc_platform_init,
+ .min_prop_delay_in_ns = 5,
+ .max_prop_delay_in_ns = 9,
+ .max_chip_count = 1,
+};
+
/* mxsfb (lcdif) */
static struct fb_videomode mx23evk_video_modes[] = {
{
@@ -122,6 +158,7 @@ static void __init mx23evk_init(void)
else
gpio_set_value(MX23EVK_BL_ENABLE, 1);
+ mx23_add_gpmi_nfc(&mx23evk_gpmi_nfc_data);
mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH V3 3/3] ARM: mxs: add GPMI device for imx28
2011-04-25 10:20 [PATCH V3 1/3] ARM: mxs: add GPMI support for imx23/imx28 Huang Shijie
2011-04-25 10:20 ` [PATCH V3 2/3] ARM: mxs: add GPMI device for imx23 Huang Shijie
@ 2011-04-25 10:20 ` Huang Shijie
2011-05-03 6:15 ` [PATCH V3 1/3] ARM: mxs: add GPMI support for imx23/imx28 Huang Shijie
2 siblings, 0 replies; 4+ messages in thread
From: Huang Shijie @ 2011-04-25 10:20 UTC (permalink / raw)
To: linux-arm-kernel
add gpmi device for imx28.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
arch/arm/mach-mxs/clock-mx28.c | 1 +
arch/arm/mach-mxs/devices-mx28.h | 4 +++
arch/arm/mach-mxs/devices/platform-gpmi-nfc.c | 19 +++++++++++++
arch/arm/mach-mxs/mach-mx28evk.c | 37 +++++++++++++++++++++++++
4 files changed, 61 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 5e489a2..9dbd2d5 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -609,6 +609,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("duart", NULL, uart_clk)
_REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk)
_REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk)
+ _REGISTER_CLOCK("imx28-gpmi-nfc", NULL, gpmi_clk)
_REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk)
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 9d08555..816bd47 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -34,6 +34,10 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst;
#define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata)
#define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata)
+extern const struct mxs_gpmi_nfc_data mx28_gpmi_nfc_data __initconst;
+#define mx28_add_gpmi_nfc(pdata) \
+ mxs_add_gpmi_nfc(pdata, &mx28_gpmi_nfc_data)
+
extern const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst;
#define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id])
diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
index 5a68370..ae88672 100644
--- a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
+++ b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
@@ -17,6 +17,7 @@
*/
#include <asm/sizes.h>
#include <mach/mx23.h>
+#include <mach/mx28.h>
#include <mach/devices-common.h>
#define RES_MEM(soc, _id, _s, _n) \
@@ -61,6 +62,24 @@ const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst = {
};
#endif
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_gpmi_nfc_data mx28_gpmi_nfc_data __initconst = {
+ .devid = "imx28-gpmi-nfc",
+ .res = {
+ /* GPMI */
+ RES_MEM(MX28, GPMI, SZ_8K, GPMI_NFC_GPMI_REGS_ADDR_RES_NAME),
+ RES_IRQ(MX28, GPMI, GPMI_NFC_GPMI_INTERRUPT_RES_NAME),
+ /* BCH */
+ RES_MEM(MX28, BCH, SZ_8K, GPMI_NFC_BCH_REGS_ADDR_RES_NAME),
+ RES_IRQ(MX28, BCH, GPMI_NFC_BCH_INTERRUPT_RES_NAME),
+ /* DMA */
+ RES_DMA(MX28, DMA_GPMI0, DMA_GPMI7,
+ GPMI_NFC_DMA_CHANNELS_RES_NAME),
+ RES_IRQ(MX28, GPMI_DMA, GPMI_NFC_DMA_INTERRUPT_RES_NAME),
+ },
+};
+#endif
+
struct platform_device *__init
mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
const struct mxs_gpmi_nfc_data *data)
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 08002d0..0a1aab5 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -232,6 +232,42 @@ static const struct flexcan_platform_data
}
};
+/* gpmi-nfc */
+#define MXS_PAD_GPMI_NFC (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL)
+static iomux_cfg_t mx28evk_gpmi_nfc_pads[] = {
+ MX28_PAD_GPMI_D00__GPMI_D0 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D01__GPMI_D1 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D02__GPMI_D2 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D03__GPMI_D3 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D04__GPMI_D4 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D05__GPMI_D5 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D06__GPMI_D6 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D07__GPMI_D7 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_RDY0__GPMI_READY0 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_RDY1__GPMI_READY1 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_GPMI_NFC,
+ MX28_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_GPMI_NFC,
+ MX28_PAD_GPMI_RESETN__GPMI_RESETN | MXS_PAD_GPMI_NFC,
+};
+
+static int mx28evk_gpmi_nfc_platform_init(void)
+{
+ return mxs_iomux_setup_multiple_pads(mx28evk_gpmi_nfc_pads,
+ ARRAY_SIZE(mx28evk_gpmi_nfc_pads));
+}
+
+static const struct gpmi_nfc_platform_data
+mx28evk_gpmi_nfc_data __initconst = {
+ .platform_init = mx28evk_gpmi_nfc_platform_init,
+ .min_prop_delay_in_ns = 5,
+ .max_prop_delay_in_ns = 9,
+ .max_chip_count = 1,
+};
+
/* mxsfb (lcdif) */
static struct fb_videomode mx28evk_video_modes[] = {
{
@@ -296,6 +332,7 @@ static void __init mx28evk_init(void)
else
gpio_set_value(MX28EVK_BL_ENABLE, 1);
+ mx28_add_gpmi_nfc(&mx28evk_gpmi_nfc_data);
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH V3 1/3] ARM: mxs: add GPMI support for imx23/imx28
2011-04-25 10:20 [PATCH V3 1/3] ARM: mxs: add GPMI support for imx23/imx28 Huang Shijie
2011-04-25 10:20 ` [PATCH V3 2/3] ARM: mxs: add GPMI device for imx23 Huang Shijie
2011-04-25 10:20 ` [PATCH V3 3/3] ARM: mxs: add GPMI device for imx28 Huang Shijie
@ 2011-05-03 6:15 ` Huang Shijie
2 siblings, 0 replies; 4+ messages in thread
From: Huang Shijie @ 2011-05-03 6:15 UTC (permalink / raw)
To: linux-arm-kernel
hi:
Does some one have any comments about these three patches?
Thanks
Huang Shijie
> add gpmi support for imx23 and imx28.
>
> Signed-off-by: Huang Shijie <b32955@freescale.com>
> ---
> arch/arm/mach-mxs/Kconfig | 2 +
> arch/arm/mach-mxs/include/mach/gpmi-nfc.h | 71 +++++++++++++++++++++++++++++
> 2 files changed, 73 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-mxs/include/mach/gpmi-nfc.h
>
> diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
> index 4f6f174..8132f1a 100644
> --- a/arch/arm/mach-mxs/Kconfig
> +++ b/arch/arm/mach-mxs/Kconfig
> @@ -22,6 +22,7 @@ config MACH_MX23EVK
> select SOC_IMX23
> select MXS_HAVE_AMBA_DUART
> select MXS_HAVE_PLATFORM_AUART
> + select MXS_HAVE_PLATFORM_GPMI_NFC
> select MXS_HAVE_PLATFORM_MXSFB
> default y
> help
> @@ -35,6 +36,7 @@ config MACH_MX28EVK
> select MXS_HAVE_PLATFORM_AUART
> select MXS_HAVE_PLATFORM_FEC
> select MXS_HAVE_PLATFORM_FLEXCAN
> + select MXS_HAVE_PLATFORM_GPMI_NFC
> select MXS_HAVE_PLATFORM_MXSFB
> select MXS_OCOTP
> default y
> diff --git a/arch/arm/mach-mxs/include/mach/gpmi-nfc.h b/arch/arm/mach-mxs/include/mach/gpmi-nfc.h
> new file mode 100644
> index 0000000..25fc605
> --- /dev/null
> +++ b/arch/arm/mach-mxs/include/mach/gpmi-nfc.h
> @@ -0,0 +1,71 @@
> +/*
> + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License along
> + * with this program; if not, write to the Free Software Foundation, Inc.,
> + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> + */
> +
> +#ifndef __INCLUDE_GPMI_NFC_H
> +#define __INCLUDE_GPMI_NFC_H
> +
> +/* The size of the resource is fixed. */
> +#define RES_SIZE 6
> +
> +/* Resource names for the GPMI NFC driver. */
> +#define GPMI_NFC_GPMI_REGS_ADDR_RES_NAME "GPMI NFC GPMI Registers"
> +#define GPMI_NFC_GPMI_INTERRUPT_RES_NAME "GPMI NFC GPMI Interrupt"
> +#define GPMI_NFC_BCH_REGS_ADDR_RES_NAME "GPMI NFC BCH Registers"
> +#define GPMI_NFC_BCH_INTERRUPT_RES_NAME "GPMI NFC BCH Interrupt"
> +#define GPMI_NFC_DMA_CHANNELS_RES_NAME "GPMI NFC DMA Channels"
> +#define GPMI_NFC_DMA_INTERRUPT_RES_NAME "GPMI NFC DMA Interrupt"
> +
> +/**
> + * struct gpmi_nfc_platform_data - GPMI NFC driver platform data.
> + *
> + * This structure communicates platform-specific information to the GPMI NFC
> + * driver that can't be expressed as resources.
> + *
> + * @platform_init: A pointer to a function the driver will call to
> + * initialize the platform (e.g., set up the pin mux).
> + * @platform_exit: A pointer to a function the driver will call to
> + * exit the platform (e.g., free pins).
> + * @min_prop_delay_in_ns: Minimum propagation delay of GPMI signals to and
> + * from the NAND Flash device, in nanoseconds.
> + * @max_prop_delay_in_ns: Maximum propagation delay of GPMI signals to and
> + * from the NAND Flash device, in nanoseconds.
> + * @max_chip_count: The maximum number of chips for which the driver
> + * should configure the hardware. This value most
> + * likely reflects the number of pins that are
> + * connected to a NAND Flash device. If this is
> + * greater than the SoC hardware can support, the
> + * driver will print a message and fail to initialize.
> + * @partitions: An optional pointer to an array of partition
> + * descriptions.
> + * @partition_count: The number of elements in the partitions array.
> + */
> +struct gpmi_nfc_platform_data {
> + /* SoC hardware information. */
> + int (*platform_init)(void);
> + void (*platform_exit)(void);
> +
> + /* NAND Flash information. */
> + unsigned int min_prop_delay_in_ns;
> + unsigned int max_prop_delay_in_ns;
> + unsigned int max_chip_count;
> +
> + /* Medium information. */
> + struct mtd_partition *partitions;
> + unsigned partition_count;
> +};
> +#endif
^ permalink raw reply [flat|nested] 4+ messages in thread
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Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2011-04-25 10:20 ` [PATCH V3 3/3] ARM: mxs: add GPMI device for imx28 Huang Shijie
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