aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2013-05-27 19:26:30 -0700
committerOlof Johansson <olof@lixom.net>2013-05-27 19:26:30 -0700
commit81c0d9047f204b1c08034a5815a5cddfbb4bee1f (patch)
tree801b7b365306dc24e2b6d1e9eedd3a7a663349d2 /arch
parentf4ae176c626311d6507c9a2d263657c4cc4e1667 (diff)
parent15f504f0c2038b9a0f1569c9ce34def61f0c65be (diff)
downloadlinux-81c0d9047f204b1c08034a5815a5cddfbb4bee1f.tar.gz
Merge tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
From Kukjin Kim: Fixes following for v3.10 - to get usb2 working on the Chromebook with adding the usb phy node for usb2 on exynos5250 - supporting exynos4210 rev0 SoC - exynos5440 restart applying only to powered-on domains - drm-exynos probe failure with adding resource names to fimd0 platform device * tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: Add names to fimd0 IRQ resources ARM: EXYNOS: fix software reset logic for EXYNOS5440 SOC ARM: EXYNOS: Fix support of Exynos4210 rev0 SoC ARM: dts: Enabling samsung-usb2phy driver for exynos5250
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/exynos5250.dtsi15
-rw-r--r--arch/arm/mach-exynos/Kconfig3
-rw-r--r--arch/arm/mach-exynos/common.c39
-rw-r--r--arch/arm/mach-exynos/common.h2
-rw-r--r--arch/arm/mach-exynos/mach-universal_c210.c5
-rw-r--r--arch/arm/plat-samsung/devs.c6
6 files changed, 61 insertions, 9 deletions
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 98dfc3ea5c0..0673524238a 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -497,6 +497,21 @@
clock-names = "usbhost";
};
+ usbphy@12130000 {
+ compatible = "samsung,exynos5250-usb2phy";
+ reg = <0x12130000 0x100>;
+ clocks = <&clock 1>, <&clock 285>;
+ clock-names = "ext_xtal", "usbhost";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ usbphy-sys {
+ reg = <0x10040704 0x8>,
+ <0x10050230 0x4>;
+ };
+ };
+
amba {
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index d19edff0ea6..ff18fc2ea46 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -250,6 +250,7 @@ config MACH_ARMLEX4210
config MACH_UNIVERSAL_C210
bool "Mobile UNIVERSAL_C210 Board"
select CLKSRC_MMIO
+ select CLKSRC_SAMSUNG_PWM
select CPU_EXYNOS4210
select EXYNOS4_SETUP_FIMC
select EXYNOS4_SETUP_FIMD0
@@ -281,7 +282,6 @@ config MACH_UNIVERSAL_C210
select S5P_DEV_TV
select S5P_GPIO_INT
select S5P_SETUP_MIPIPHY
- select SAMSUNG_HRT
help
Machine support for Samsung Mobile Universal S5PC210 Reference
Board.
@@ -410,6 +410,7 @@ config MACH_EXYNOS4_DT
depends on ARCH_EXYNOS4
select ARM_AMBA
select CLKSRC_OF
+ select CLKSRC_SAMSUNG_PWM if CPU_EXYNOS4210
select CPU_EXYNOS4210
select KEYBOARD_SAMSUNG if INPUT_KEYBOARD
select PINCTRL
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 745e304ad0d..027c9e7f0d1 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -10,12 +10,14 @@
*/
#include <linux/kernel.h>
+#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/io.h>
#include <linux/device.h>
#include <linux/gpio.h>
+#include <clocksource/samsung_pwm.h>
#include <linux/sched.h>
#include <linux/serial_core.h>
#include <linux/of.h>
@@ -302,6 +304,13 @@ static struct map_desc exynos5440_iodesc0[] __initdata = {
},
};
+static struct samsung_pwm_variant exynos4_pwm_variant = {
+ .bits = 32,
+ .div_base = 0,
+ .has_tint_cstat = true,
+ .tclk_mask = 0,
+};
+
void exynos4_restart(char mode, const char *cmd)
{
__raw_writel(0x1, S5P_SWRESET);
@@ -317,9 +326,16 @@ void exynos5_restart(char mode, const char *cmd)
val = 0x1;
addr = EXYNOS_SWRESET;
} else if (of_machine_is_compatible("samsung,exynos5440")) {
+ u32 status;
np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock");
+
+ addr = of_iomap(np, 0) + 0xbc;
+ status = __raw_readl(addr);
+
addr = of_iomap(np, 0) + 0xcc;
- val = (0xfff << 20) | (0x1 << 16);
+ val = __raw_readl(addr);
+
+ val = (val & 0xffff0000) | (status & 0xffff);
} else {
pr_err("%s: cannot support non-DT\n", __func__);
return;
@@ -442,8 +458,20 @@ static void __init exynos5440_map_io(void)
iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
}
+void __init exynos_set_timer_source(u8 channels)
+{
+ exynos4_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
+ exynos4_pwm_variant.output_mask &= ~channels;
+}
+
void __init exynos_init_time(void)
{
+ unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
+ EXYNOS4_IRQ_TIMER0_VIC, EXYNOS4_IRQ_TIMER1_VIC,
+ EXYNOS4_IRQ_TIMER2_VIC, EXYNOS4_IRQ_TIMER3_VIC,
+ EXYNOS4_IRQ_TIMER4_VIC,
+ };
+
if (of_have_populated_dt()) {
#ifdef CONFIG_OF
of_clk_init(NULL);
@@ -455,7 +483,14 @@ void __init exynos_init_time(void)
exynos4_clk_init(NULL, !soc_is_exynos4210(), S5P_VA_CMU, readl(S5P_VA_CHIPID + 8) & 1);
exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f);
#endif
- mct_init(S5P_VA_SYSTIMER, EXYNOS4_IRQ_MCT_G0, EXYNOS4_IRQ_MCT_L0, EXYNOS4_IRQ_MCT_L1);
+#ifdef CONFIG_CLKSRC_SAMSUNG_PWM
+ if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
+ samsung_pwm_clocksource_init(S3C_VA_TIMER,
+ timer_irqs, &exynos4_pwm_variant);
+ else
+#endif
+ mct_init(S5P_VA_SYSTIMER, EXYNOS4_IRQ_MCT_G0,
+ EXYNOS4_IRQ_MCT_L0, EXYNOS4_IRQ_MCT_L1);
}
}
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 60dd35cc01a..11fc1e29819 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -32,6 +32,8 @@ void exynos4_clk_register_fixed_ext(unsigned long, unsigned long);
void exynos_firmware_init(void);
+void exynos_set_timer_source(u8 channels);
+
#ifdef CONFIG_PM_GENERIC_DOMAINS
int exynos_pm_late_initcall(void);
#else
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index 327d50d4681..74ddb2b5561 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -41,7 +41,6 @@
#include <plat/mfc.h>
#include <plat/sdhci.h>
#include <plat/fimc-core.h>
-#include <plat/samsung-time.h>
#include <plat/camport.h>
#include <mach/map.h>
@@ -1094,7 +1093,7 @@ static void __init universal_map_io(void)
{
exynos_init_io(NULL, 0);
s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
- samsung_set_timer_source(SAMSUNG_PWM2, SAMSUNG_PWM4);
+ exynos_set_timer_source(BIT(2) | BIT(4));
xxti_f = 0;
xusbxti_f = 24000000;
}
@@ -1154,7 +1153,7 @@ MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
.map_io = universal_map_io,
.init_machine = universal_machine_init,
.init_late = exynos_init_late,
- .init_time = samsung_timer_init,
+ .init_time = exynos_init_time,
.reserve = &universal_reserve,
.restart = exynos4_restart,
MACHINE_END
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 30c2fe243f7..0f9c3f431a5 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -311,9 +311,9 @@ struct platform_device s5p_device_jpeg = {
#ifdef CONFIG_S5P_DEV_FIMD0
static struct resource s5p_fimd0_resource[] = {
[0] = DEFINE_RES_MEM(S5P_PA_FIMD0, SZ_32K),
- [1] = DEFINE_RES_IRQ(IRQ_FIMD0_VSYNC),
- [2] = DEFINE_RES_IRQ(IRQ_FIMD0_FIFO),
- [3] = DEFINE_RES_IRQ(IRQ_FIMD0_SYSTEM),
+ [1] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_VSYNC, "vsync"),
+ [2] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_FIFO, "fifo"),
+ [3] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_SYSTEM, "lcd_sys"),
};
struct platform_device s5p_device_fimd0 = {