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-rw-r--r--arch/arm/mach-mxs/Kconfig10
-rw-r--r--arch/arm/mach-mxs/Makefile1
-rw-r--r--arch/arm/mach-mxs/devices/Kconfig1
-rw-r--r--arch/arm/mach-mxs/devices/platform-dma.c21
-rw-r--r--arch/arm/mach-mxs/devices/platform-gpio-mxs.c24
-rw-r--r--arch/arm/mach-mxs/devices/platform-mxs-mmc.c21
-rw-r--r--arch/arm/mach-mxs/include/mach/common.h7
-rw-r--r--arch/arm/mach-mxs/include/mach/devices-common.h3
-rw-r--r--arch/arm/mach-mxs/include/mach/mmc.h18
-rw-r--r--arch/arm/mach-mxs/mach-mxs.c121
-rw-r--r--arch/arm/mach-mxs/mm.c16
11 files changed, 169 insertions, 74 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 07d5383d68e..91cf0625819 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -7,18 +7,28 @@ config MXS_OCOTP
config SOC_IMX23
bool
+ select ARM_AMBA
select CPU_ARM926T
select HAVE_PWM
select PINCTRL_IMX23
config SOC_IMX28
bool
+ select ARM_AMBA
select CPU_ARM926T
select HAVE_PWM
select PINCTRL_IMX28
comment "MXS platforms:"
+config MACH_MXS_DT
+ bool "Support MXS platforms from device tree"
+ select SOC_IMX23
+ select SOC_IMX28
+ help
+ Include support for Freescale MXS platforms(i.MX23 and i.MX28)
+ using the device tree for discovery
+
config MACH_STMP378X_DEVB
bool "Support STMP378x_devb Platform"
select SOC_IMX23
diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile
index 6ce21a26412..e41590ccb43 100644
--- a/arch/arm/mach-mxs/Makefile
+++ b/arch/arm/mach-mxs/Makefile
@@ -4,6 +4,7 @@ obj-y := devices.o icoll.o iomux.o system.o timer.o mm.o
obj-$(CONFIG_MXS_OCOTP) += ocotp.o
obj-$(CONFIG_PM) += pm.o
+obj-$(CONFIG_MACH_MXS_DT) += mach-mxs.o
obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o
obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o
obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index b8913df4cfa..19659de1c4e 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -1,6 +1,5 @@
config MXS_HAVE_AMBA_DUART
bool
- select ARM_AMBA
config MXS_HAVE_PLATFORM_AUART
bool
diff --git a/arch/arm/mach-mxs/devices/platform-dma.c b/arch/arm/mach-mxs/devices/platform-dma.c
index 6a0202b1016..46824501de0 100644
--- a/arch/arm/mach-mxs/devices/platform-dma.c
+++ b/arch/arm/mach-mxs/devices/platform-dma.c
@@ -14,7 +14,7 @@
#include <mach/mx28.h>
#include <mach/devices-common.h>
-static struct platform_device *__init mxs_add_dma(const char *devid,
+struct platform_device *__init mxs_add_dma(const char *devid,
resource_size_t base)
{
struct resource res[] = {
@@ -29,22 +29,3 @@ static struct platform_device *__init mxs_add_dma(const char *devid,
res, ARRAY_SIZE(res), NULL, 0,
DMA_BIT_MASK(32));
}
-
-static int __init mxs_add_mxs_dma(void)
-{
- char *apbh = "mxs-dma-apbh";
- char *apbx = "mxs-dma-apbx";
-
- if (cpu_is_mx23()) {
- mxs_add_dma(apbh, MX23_APBH_DMA_BASE_ADDR);
- mxs_add_dma(apbx, MX23_APBX_DMA_BASE_ADDR);
- }
-
- if (cpu_is_mx28()) {
- mxs_add_dma(apbh, MX28_APBH_DMA_BASE_ADDR);
- mxs_add_dma(apbx, MX28_APBX_DMA_BASE_ADDR);
- }
-
- return 0;
-}
-arch_initcall(mxs_add_mxs_dma);
diff --git a/arch/arm/mach-mxs/devices/platform-gpio-mxs.c b/arch/arm/mach-mxs/devices/platform-gpio-mxs.c
index ed0885e414e..cd99f19ec63 100644
--- a/arch/arm/mach-mxs/devices/platform-gpio-mxs.c
+++ b/arch/arm/mach-mxs/devices/platform-gpio-mxs.c
@@ -14,7 +14,7 @@
#include <mach/devices-common.h>
struct platform_device *__init mxs_add_gpio(
- int id, resource_size_t iobase, int irq)
+ char *name, int id, resource_size_t iobase, int irq)
{
struct resource res[] = {
{
@@ -29,25 +29,5 @@ struct platform_device *__init mxs_add_gpio(
};
return platform_device_register_resndata(&mxs_apbh_bus,
- "gpio-mxs", id, res, ARRAY_SIZE(res), NULL, 0);
+ name, id, res, ARRAY_SIZE(res), NULL, 0);
}
-
-static int __init mxs_add_mxs_gpio(void)
-{
- if (cpu_is_mx23()) {
- mxs_add_gpio(0, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO0);
- mxs_add_gpio(1, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO1);
- mxs_add_gpio(2, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO2);
- }
-
- if (cpu_is_mx28()) {
- mxs_add_gpio(0, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO0);
- mxs_add_gpio(1, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO1);
- mxs_add_gpio(2, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO2);
- mxs_add_gpio(3, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO3);
- mxs_add_gpio(4, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO4);
- }
-
- return 0;
-}
-postcore_initcall(mxs_add_mxs_gpio);
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-mmc.c b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
index bef9d923f54..b33c9d05c55 100644
--- a/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
+++ b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
@@ -17,8 +17,9 @@
#include <mach/mx28.h>
#include <mach/devices-common.h>
-#define mxs_mxs_mmc_data_entry_single(soc, _id, hwid) \
+#define mxs_mxs_mmc_data_entry_single(soc, _devid, _id, hwid) \
{ \
+ .devid = _devid, \
.id = _id, \
.iobase = soc ## _SSP ## hwid ## _BASE_ADDR, \
.dma = soc ## _DMA_SSP ## hwid, \
@@ -26,23 +27,23 @@
.irq_dma = soc ## _INT_SSP ## hwid ## _DMA, \
}
-#define mxs_mxs_mmc_data_entry(soc, _id, hwid) \
- [_id] = mxs_mxs_mmc_data_entry_single(soc, _id, hwid)
+#define mxs_mxs_mmc_data_entry(soc, _devid, _id, hwid) \
+ [_id] = mxs_mxs_mmc_data_entry_single(soc, _devid, _id, hwid)
#ifdef CONFIG_SOC_IMX23
const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst = {
- mxs_mxs_mmc_data_entry(MX23, 0, 1),
- mxs_mxs_mmc_data_entry(MX23, 1, 2),
+ mxs_mxs_mmc_data_entry(MX23, "imx23-mmc", 0, 1),
+ mxs_mxs_mmc_data_entry(MX23, "imx23-mmc", 1, 2),
};
#endif
#ifdef CONFIG_SOC_IMX28
const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst = {
- mxs_mxs_mmc_data_entry(MX28, 0, 0),
- mxs_mxs_mmc_data_entry(MX28, 1, 1),
- mxs_mxs_mmc_data_entry(MX28, 2, 2),
- mxs_mxs_mmc_data_entry(MX28, 3, 3),
+ mxs_mxs_mmc_data_entry(MX28, "imx28-mmc", 0, 0),
+ mxs_mxs_mmc_data_entry(MX28, "imx28-mmc", 1, 1),
+ mxs_mxs_mmc_data_entry(MX28, "imx28-mmc", 2, 2),
+ mxs_mxs_mmc_data_entry(MX28, "imx28-mmc", 3, 3),
};
#endif
@@ -70,6 +71,6 @@ struct platform_device *__init mxs_add_mxs_mmc(
},
};
- return mxs_add_platform_device("mxs-mmc", data->id,
+ return mxs_add_platform_device(data->devid, data->id,
res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}
diff --git a/arch/arm/mach-mxs/include/mach/common.h b/arch/arm/mach-mxs/include/mach/common.h
index 84af61cf6a6..de6c7ba4254 100644
--- a/arch/arm/mach-mxs/include/mach/common.h
+++ b/arch/arm/mach-mxs/include/mach/common.h
@@ -18,17 +18,20 @@ extern void mxs_restart(char, const char *);
extern int mxs_saif_clkmux_select(unsigned int clkmux);
extern void mx23_soc_init(void);
-extern int mx23_register_gpios(void);
extern int mx23_clocks_init(void);
extern void mx23_map_io(void);
extern void mx23_init_irq(void);
extern void mx28_soc_init(void);
-extern int mx28_register_gpios(void);
extern int mx28_clocks_init(void);
extern void mx28_map_io(void);
extern void mx28_init_irq(void);
extern void icoll_init_irq(void);
+extern struct platform_device *mxs_add_dma(const char *devid,
+ resource_size_t base);
+extern struct platform_device *mxs_add_gpio(char *name, int id,
+ resource_size_t iobase, int irq);
+
#endif /* __MACH_MXS_COMMON_H__ */
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 21e45a70d34..e8b1d958240 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -82,8 +82,9 @@ struct platform_device * __init mxs_add_mxs_i2c(
const struct mxs_mxs_i2c_data *data);
/* mmc */
-#include <mach/mmc.h>
+#include <linux/mmc/mxs-mmc.h>
struct mxs_mxs_mmc_data {
+ const char *devid;
int id;
resource_size_t iobase;
resource_size_t dma;
diff --git a/arch/arm/mach-mxs/include/mach/mmc.h b/arch/arm/mach-mxs/include/mach/mmc.h
deleted file mode 100644
index 211547a0556..00000000000
--- a/arch/arm/mach-mxs/include/mach/mmc.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright 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 version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __MACH_MXS_MMC_H__
-#define __MACH_MXS_MMC_H__
-
-struct mxs_mmc_platform_data {
- int wp_gpio; /* write protect pin */
- unsigned int flags;
-#define SLOTF_4_BIT_CAPABLE (1 << 0)
-#define SLOTF_8_BIT_CAPABLE (1 << 1)
-};
-#endif /* __MACH_MXS_MMC_H__ */
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
new file mode 100644
index 00000000000..8cac94b3302
--- /dev/null
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2012 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/init.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/common.h>
+
+static int __init mxs_icoll_add_irq_domain(struct device_node *np,
+ struct device_node *interrupt_parent)
+{
+ irq_domain_add_legacy(np, 128, 0, 0, &irq_domain_simple_ops, NULL);
+
+ return 0;
+}
+
+static int __init mxs_gpio_add_irq_domain(struct device_node *np,
+ struct device_node *interrupt_parent)
+{
+ static int gpio_irq_base = MXS_GPIO_IRQ_START;
+
+ irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, NULL);
+ gpio_irq_base += 32;
+
+ return 0;
+}
+
+static const struct of_device_id mxs_irq_match[] __initconst = {
+ { .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, },
+ { .compatible = "fsl,mxs-gpio", .data = mxs_gpio_add_irq_domain, },
+ { /* sentinel */ }
+};
+
+static void __init mxs_dt_init_irq(void)
+{
+ icoll_init_irq();
+ of_irq_init(mxs_irq_match);
+}
+
+static void __init imx23_timer_init(void)
+{
+ mx23_clocks_init();
+}
+
+static struct sys_timer imx23_timer = {
+ .init = imx23_timer_init,
+};
+
+static void __init imx28_timer_init(void)
+{
+ mx28_clocks_init();
+}
+
+static struct sys_timer imx28_timer = {
+ .init = imx28_timer_init,
+};
+
+static void __init imx28_evk_init(void)
+{
+ struct clk *clk;
+
+ /* Enable fec phy clock */
+ clk = clk_get_sys("enet_out", NULL);
+ if (!IS_ERR(clk))
+ clk_prepare_enable(clk);
+}
+
+static void __init mxs_machine_init(void)
+{
+ if (of_machine_is_compatible("fsl,imx28-evk"))
+ imx28_evk_init();
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ NULL, NULL);
+}
+
+static const char *imx23_dt_compat[] __initdata = {
+ "fsl,imx23-evk",
+ "fsl,imx23",
+ NULL,
+};
+
+static const char *imx28_dt_compat[] __initdata = {
+ "fsl,imx28-evk",
+ "fsl,imx28",
+ NULL,
+};
+
+DT_MACHINE_START(IMX23, "Freescale i.MX23 (Device Tree)")
+ .map_io = mx23_map_io,
+ .init_irq = mxs_dt_init_irq,
+ .timer = &imx23_timer,
+ .init_machine = mxs_machine_init,
+ .dt_compat = imx23_dt_compat,
+ .restart = mxs_restart,
+MACHINE_END
+
+DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)")
+ .map_io = mx28_map_io,
+ .init_irq = mxs_dt_init_irq,
+ .timer = &imx28_timer,
+ .init_machine = mxs_machine_init,
+ .dt_compat = imx28_dt_compat,
+ .restart = mxs_restart,
+MACHINE_END
diff --git a/arch/arm/mach-mxs/mm.c b/arch/arm/mach-mxs/mm.c
index 67a384edcf5..dccb67a9e7c 100644
--- a/arch/arm/mach-mxs/mm.c
+++ b/arch/arm/mach-mxs/mm.c
@@ -66,9 +66,25 @@ void __init mx28_init_irq(void)
void __init mx23_soc_init(void)
{
pinctrl_provide_dummies();
+
+ mxs_add_dma("imx23-dma-apbh", MX23_APBH_DMA_BASE_ADDR);
+ mxs_add_dma("imx23-dma-apbx", MX23_APBX_DMA_BASE_ADDR);
+
+ mxs_add_gpio("imx23-gpio", 0, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO0);
+ mxs_add_gpio("imx23-gpio", 1, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO1);
+ mxs_add_gpio("imx23-gpio", 2, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO2);
}
void __init mx28_soc_init(void)
{
pinctrl_provide_dummies();
+
+ mxs_add_dma("imx28-dma-apbh", MX23_APBH_DMA_BASE_ADDR);
+ mxs_add_dma("imx28-dma-apbx", MX23_APBX_DMA_BASE_ADDR);
+
+ mxs_add_gpio("imx28-gpio", 0, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO0);
+ mxs_add_gpio("imx28-gpio", 1, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO1);
+ mxs_add_gpio("imx28-gpio", 2, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO2);
+ mxs_add_gpio("imx28-gpio", 3, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO3);
+ mxs_add_gpio("imx28-gpio", 4, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO4);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-18 08:29:54 +0000