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-rw-r--r--arch/arm/mach-imx/3ds_debugboard.c4
-rw-r--r--arch/arm/mach-imx/Kconfig8
-rw-r--r--arch/arm/mach-imx/Makefile1
-rw-r--r--arch/arm/mach-imx/cpu.c3
-rw-r--r--arch/arm/mach-imx/epit.c67
-rw-r--r--arch/arm/mach-imx/mach-imx6ul.c88
-rw-r--r--arch/arm/mach-imx/mach-imx7d.c2
-rw-r--r--arch/arm/mach-imx/mach-mx31ads.c4
-rw-r--r--arch/arm/mach-imx/mxc.h6
-rw-r--r--arch/arm/mach-imx/pm-imx5.c2
-rw-r--r--arch/arm/mach-imx/pm-imx6.c2
11 files changed, 148 insertions, 39 deletions
diff --git a/arch/arm/mach-imx/3ds_debugboard.c b/arch/arm/mach-imx/3ds_debugboard.c
index 134377352..16496a071 100644
--- a/arch/arm/mach-imx/3ds_debugboard.c
+++ b/arch/arm/mach-imx/3ds_debugboard.c
@@ -85,7 +85,7 @@ static struct platform_device smsc_lan9217_device = {
.resource = smsc911x_resources,
};
-static void mxc_expio_irq_handler(u32 irq, struct irq_desc *desc)
+static void mxc_expio_irq_handler(struct irq_desc *desc)
{
u32 imr_val;
u32 int_valid;
@@ -195,7 +195,7 @@ int __init mxc_expio_init(u32 base, u32 intr_gpio)
for (i = irq_base; i < irq_base + MXC_MAX_EXP_IO_LINES; i++) {
irq_set_chip_and_handler(i, &expio_irq_chip, handle_level_irq);
- set_irq_flags(i, IRQF_VALID);
+ irq_clear_status_flags(i, IRQ_NOREQUEST);
}
irq_set_irq_type(p_irq, IRQF_TRIGGER_LOW);
irq_set_chained_handler(p_irq, mxc_expio_irq_handler);
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 573536f1b..8ceda2844 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -548,6 +548,14 @@ config SOC_IMX6SX
help
This enables support for Freescale i.MX6 SoloX processor.
+config SOC_IMX6UL
+ bool "i.MX6 UltraLite support"
+ select PINCTRL_IMX6UL
+ select SOC_IMX6
+
+ help
+ This enables support for Freescale i.MX6 UltraLite processor.
+
config SOC_IMX7D
bool "i.MX7 Dual support"
select PINCTRL_IMX7D
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 37c502ac9..fb689d813 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -83,6 +83,7 @@ endif
obj-$(CONFIG_SOC_IMX6Q) += mach-imx6q.o
obj-$(CONFIG_SOC_IMX6SL) += mach-imx6sl.o
obj-$(CONFIG_SOC_IMX6SX) += mach-imx6sx.o
+obj-$(CONFIG_SOC_IMX6UL) += mach-imx6ul.o
obj-$(CONFIG_SOC_IMX7D) += mach-imx7d.o
ifeq ($(CONFIG_SUSPEND),y)
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index a7fa92a7b..5b0f752d5 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -130,6 +130,9 @@ struct device * __init imx_soc_device_init(void)
case MXC_CPU_IMX6Q:
soc_id = "i.MX6Q";
break;
+ case MXC_CPU_IMX6UL:
+ soc_id = "i.MX6UL";
+ break;
case MXC_CPU_IMX7D:
soc_id = "i.MX7D";
break;
diff --git a/arch/arm/mach-imx/epit.c b/arch/arm/mach-imx/epit.c
index 074b1a81b..08ce20771 100644
--- a/arch/arm/mach-imx/epit.c
+++ b/arch/arm/mach-imx/epit.c
@@ -57,7 +57,6 @@
#include "hardware.h"
static struct clock_event_device clockevent_epit;
-static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
static void __iomem *timer_base;
@@ -106,8 +105,8 @@ static int epit_set_next_event(unsigned long evt,
return 0;
}
-static void epit_set_mode(enum clock_event_mode mode,
- struct clock_event_device *evt)
+/* Left event sources disabled, no more interrupts appear */
+static int epit_shutdown(struct clock_event_device *evt)
{
unsigned long flags;
@@ -120,39 +119,41 @@ static void epit_set_mode(enum clock_event_mode mode,
/* Disable interrupt in GPT module */
epit_irq_disable();
- if (mode != clockevent_mode) {
- /* Set event time into far-far future */
-
- /* Clear pending interrupt */
- epit_irq_acknowledge();
- }
+ /* Clear pending interrupt */
+ epit_irq_acknowledge();
- /* Remember timer mode */
- clockevent_mode = mode;
local_irq_restore(flags);
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- printk(KERN_ERR "epit_set_mode: Periodic mode is not "
- "supported for i.MX EPIT\n");
- break;
- case CLOCK_EVT_MODE_ONESHOT:
+ return 0;
+}
+
+static int epit_set_oneshot(struct clock_event_device *evt)
+{
+ unsigned long flags;
+
+ /*
+ * The timer interrupt generation is disabled at least
+ * for enough time to call epit_set_next_event()
+ */
+ local_irq_save(flags);
+
+ /* Disable interrupt in GPT module */
+ epit_irq_disable();
+
+ /* Clear pending interrupt, only while switching mode */
+ if (!clockevent_state_oneshot(evt))
+ epit_irq_acknowledge();
+
/*
* Do not put overhead of interrupt enable/disable into
* epit_set_next_event(), the core has about 4 minutes
* to call epit_set_next_event() or shutdown clock after
* mode switching
*/
- local_irq_save(flags);
- epit_irq_enable();
- local_irq_restore(flags);
- break;
- case CLOCK_EVT_MODE_SHUTDOWN:
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_RESUME:
- /* Left event sources disabled, no more interrupts appear */
- break;
- }
+ epit_irq_enable();
+ local_irq_restore(flags);
+
+ return 0;
}
/*
@@ -176,11 +177,13 @@ static struct irqaction epit_timer_irq = {
};
static struct clock_event_device clockevent_epit = {
- .name = "epit",
- .features = CLOCK_EVT_FEAT_ONESHOT,
- .set_mode = epit_set_mode,
- .set_next_event = epit_set_next_event,
- .rating = 200,
+ .name = "epit",
+ .features = CLOCK_EVT_FEAT_ONESHOT,
+ .set_state_shutdown = epit_shutdown,
+ .tick_resume = epit_shutdown,
+ .set_state_oneshot = epit_set_oneshot,
+ .set_next_event = epit_set_next_event,
+ .rating = 200,
};
static int __init epit_clockevent_init(struct clk *timer_clk)
diff --git a/arch/arm/mach-imx/mach-imx6ul.c b/arch/arm/mach-imx/mach-imx6ul.c
new file mode 100644
index 000000000..1b97fe133
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx6ul.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * 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/irqchip.h>
+#include <linux/mfd/syscon.h>
+#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
+#include <linux/micrel_phy.h>
+#include <linux/of_platform.h>
+#include <linux/phy.h>
+#include <linux/regmap.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "common.h"
+
+static void __init imx6ul_enet_clk_init(void)
+{
+ struct regmap *gpr;
+
+ gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
+ if (!IS_ERR(gpr))
+ regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
+ IMX6UL_GPR1_ENET_CLK_OUTPUT);
+ else
+ pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
+
+}
+
+static int ksz8081_phy_fixup(struct phy_device *dev)
+{
+ if (dev && dev->interface == PHY_INTERFACE_MODE_MII) {
+ phy_write(dev, 0x1f, 0x8110);
+ phy_write(dev, 0x16, 0x201);
+ } else if (dev && dev->interface == PHY_INTERFACE_MODE_RMII) {
+ phy_write(dev, 0x1f, 0x8190);
+ phy_write(dev, 0x16, 0x202);
+ }
+
+ return 0;
+}
+
+static void __init imx6ul_enet_phy_init(void)
+{
+ if (IS_BUILTIN(CONFIG_PHYLIB))
+ phy_register_fixup_for_uid(PHY_ID_KSZ8081, 0xffffffff,
+ ksz8081_phy_fixup);
+}
+
+static inline void imx6ul_enet_init(void)
+{
+ imx6ul_enet_clk_init();
+ imx6ul_enet_phy_init();
+}
+
+static void __init imx6ul_init_machine(void)
+{
+ struct device *parent;
+
+ parent = imx_soc_device_init();
+ if (parent == NULL)
+ pr_warn("failed to initialize soc device\n");
+
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ imx6ul_enet_init();
+ imx_anatop_init();
+}
+
+static void __init imx6ul_init_irq(void)
+{
+ imx_init_revision_from_anatop();
+ imx_src_init();
+ irqchip_init();
+}
+
+static const char *imx6ul_dt_compat[] __initconst = {
+ "fsl,imx6ul",
+ NULL,
+};
+
+DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
+ .init_irq = imx6ul_init_irq,
+ .init_machine = imx6ul_init_machine,
+ .dt_compat = imx6ul_dt_compat,
+MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx7d.c b/arch/arm/mach-imx/mach-imx7d.c
index 4d4a19099..62f343725 100644
--- a/arch/arm/mach-imx/mach-imx7d.c
+++ b/arch/arm/mach-imx/mach-imx7d.c
@@ -31,7 +31,7 @@ static void __init imx7d_init_irq(void)
irqchip_init();
}
-static const char *imx7d_dt_compat[] __initconst = {
+static const char *const imx7d_dt_compat[] __initconst = {
"fsl,imx7d",
NULL,
};
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index d08c37c69..2b147e4bf 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -154,7 +154,7 @@ static inline void mxc_init_imx_uart(void)
imx31_add_imx_uart0(&uart_pdata);
}
-static void mx31ads_expio_irq_handler(u32 irq, struct irq_desc *desc)
+static void mx31ads_expio_irq_handler(struct irq_desc *desc)
{
u32 imr_val;
u32 int_valid;
@@ -238,7 +238,7 @@ static void __init mx31ads_init_expio(void)
for (i = irq_base; i < irq_base + MXC_MAX_EXP_IO_LINES; i++) {
irq_set_chip_and_handler(i, &expio_irq_chip, handle_level_irq);
- set_irq_flags(i, IRQF_VALID);
+ irq_clear_status_flags(i, IRQ_NOREQUEST);
}
irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_4));
irq_set_irq_type(irq, IRQ_TYPE_LEVEL_HIGH);
diff --git a/arch/arm/mach-imx/mxc.h b/arch/arm/mach-imx/mxc.h
index c4436d4fd..a5b1af6d7 100644
--- a/arch/arm/mach-imx/mxc.h
+++ b/arch/arm/mach-imx/mxc.h
@@ -38,6 +38,7 @@
#define MXC_CPU_IMX6DL 0x61
#define MXC_CPU_IMX6SX 0x62
#define MXC_CPU_IMX6Q 0x63
+#define MXC_CPU_IMX6UL 0x64
#define MXC_CPU_IMX7D 0x72
#define IMX_DDR_TYPE_LPDDR2 1
@@ -165,6 +166,11 @@ static inline bool cpu_is_imx6sx(void)
return __mxc_cpu_type == MXC_CPU_IMX6SX;
}
+static inline bool cpu_is_imx6ul(void)
+{
+ return __mxc_cpu_type == MXC_CPU_IMX6UL;
+}
+
static inline bool cpu_is_imx6q(void)
{
return __mxc_cpu_type == MXC_CPU_IMX6Q;
diff --git a/arch/arm/mach-imx/pm-imx5.c b/arch/arm/mach-imx/pm-imx5.c
index 1885676c2..532d4b082 100644
--- a/arch/arm/mach-imx/pm-imx5.c
+++ b/arch/arm/mach-imx/pm-imx5.c
@@ -297,7 +297,7 @@ static int __init imx_suspend_alloc_ocram(
goto put_node;
}
- ocram_pool = gen_pool_get(&pdev->dev);
+ ocram_pool = gen_pool_get(&pdev->dev, NULL);
if (!ocram_pool) {
pr_warn("%s: ocram pool unavailable!\n", __func__);
ret = -ENODEV;
diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c
index 93ecf559d..8ff8fc0b2 100644
--- a/arch/arm/mach-imx/pm-imx6.c
+++ b/arch/arm/mach-imx/pm-imx6.c
@@ -451,7 +451,7 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata)
goto put_node;
}
- ocram_pool = gen_pool_get(&pdev->dev);
+ ocram_pool = gen_pool_get(&pdev->dev, NULL);
if (!ocram_pool) {
pr_warn("%s: ocram pool unavailable!\n", __func__);
ret = -ENODEV;