Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "This branch contains mostly additions and changes to platform
  enablement and SoC-level drivers.  Since there's sometimes a
  dependency on device-tree changes, there's also a fair amount of
  those in this branch.

  Pieces worth mentioning are:

   - Mbus driver for Marvell platforms, allowing kernel configuration
     and resource allocation of on-chip peripherals.
   - Enablement of the mbus infrastructure from Marvell PCI-e drivers.
   - Preparation of MSI support for Marvell platforms.
   - Addition of new PCI-e host controller driver for Tegra platforms
   - Some churn caused by sharing of macro names between i.MX 6Q and 6DL
     platforms in the device tree sources and header files.
   - Various suspend/PM updates for Tegra, including LP1 support.
   - Versatile Express support for MCPM, part of big little support.
   - Allwinner platform support for A20 and A31 SoCs (dual and quad
     Cortex-A7)
   - OMAP2+ support for DRA7, a new Cortex-A15-based SoC.

  The code that touches other architectures are patches moving MSI
  arch-specific functions over to weak symbols and removal of
  ARCH_SUPPORTS_MSI, acked by PCI maintainers"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (266 commits)
  tegra-cpuidle: provide stub when !CONFIG_CPU_IDLE
  PCI: tegra: replace devm_request_and_ioremap by devm_ioremap_resource
  ARM: tegra: Drop ARCH_SUPPORTS_MSI and sort list
  ARM: dts: vf610-twr: enable i2c0 device
  ARM: dts: i.MX51: Add one more I2C2 pinmux entry
  ARM: dts: i.MX51: Move pins configuration under "iomuxc" label
  ARM: dtsi: imx6qdl-sabresd: Add USB OTG vbus pin to pinctrl_hog
  ARM: dtsi: imx6qdl-sabresd: Add USB host 1 VBUS regulator
  ARM: dts: imx27-phytec-phycore-som: Enable AUDMUX
  ARM: dts: i.MX27: Disable AUDMUX in the template
  ARM: dts: wandboard: Add support for SDIO bcm4329
  ARM: i.MX5 clocks: Remove optional clock setup (CKIH1) from i.MX51 template
  ARM: dts: imx53-qsb: Make USBH1 functional
  ARM i.MX6Q: dts: Enable I2C1 with EEPROM and PMIC on Phytec phyFLEX-i.MX6 Ouad module
  ARM i.MX6Q: dts: Enable SPI NOR flash on Phytec phyFLEX-i.MX6 Ouad module
  ARM: dts: imx6qdl-sabresd: Add touchscreen support
  ARM: imx: add ocram clock for imx53
  ARM: dts: imx: ocram size is different between imx6q and imx6dl
  ARM: dts: imx27-phytec-phycore-som: Fix regulator settings
  ARM: dts: i.MX27: Remove clock name from CPU node
  ...

1 files changed, 100 insertions, 6 deletions

diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c
index b7e78b9a7fdf..4c96dad21195 100644
--- a/arch/arm/mach-shmobile/setup-r8a7790.c
+++ b/arch/arm/mach-shmobile/setup-r8a7790.c
@@ -21,9 +21,10 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/of_platform.h>
-#include <linux/serial_sci.h>
 #include <linux/platform_data/gpio-rcar.h>
 #include <linux/platform_data/irq-renesas-irqc.h>
+#include <linux/serial_sci.h>
+#include <linux/sh_timer.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
 #include <mach/r8a7790.h>
@@ -148,6 +149,36 @@ static struct resource irqc0_resources[] __initdata = {
 					  &irqc##idx##_data,		\
 					  sizeof(struct renesas_irqc_config))
 
+static struct resource thermal_resources[] __initdata = {
+	DEFINE_RES_MEM(0xe61f0000, 0x14),
+	DEFINE_RES_MEM(0xe61f0100, 0x38),
+	DEFINE_RES_IRQ(gic_spi(69)),
+};
+
+#define r8a7790_register_thermal()					\
+	platform_device_register_simple("rcar_thermal", -1,		\
+					thermal_resources,		\
+					ARRAY_SIZE(thermal_resources))
+
+static struct sh_timer_config cmt00_platform_data = {
+	.name = "CMT00",
+	.timer_bit = 0,
+	.clockevent_rating = 80,
+};
+
+static struct resource cmt00_resources[] = {
+	DEFINE_RES_MEM(0xffca0510, 0x0c),
+	DEFINE_RES_MEM(0xffca0500, 0x04),
+	DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */
+};
+
+#define r8a7790_register_cmt(idx)					\
+	platform_device_register_resndata(&platform_bus, "sh_cmt",	\
+					  idx, cmt##idx##_resources,	\
+					  ARRAY_SIZE(cmt##idx##_resources), \
+					  &cmt##idx##_platform_data,	\
+					  sizeof(struct sh_timer_config))
+
 void __init r8a7790_add_standard_devices(void)
 {
 	r8a7790_register_scif(SCIFA0);
@@ -161,20 +192,82 @@ void __init r8a7790_add_standard_devices(void)
 	r8a7790_register_scif(HSCIF0);
 	r8a7790_register_scif(HSCIF1);
 	r8a7790_register_irqc(0);
+	r8a7790_register_thermal();
+	r8a7790_register_cmt(00);
 }
 
+#define MODEMR 0xe6160060
+
+u32 __init r8a7790_read_mode_pins(void)
+{
+	void __iomem *modemr = ioremap_nocache(MODEMR, 4);
+	u32 mode;
+
+	BUG_ON(!modemr);
+	mode = ioread32(modemr);
+	iounmap(modemr);
+
+	return mode;
+}
+
+#define CNTCR 0
+#define CNTFID0 0x20
+
 void __init r8a7790_timer_init(void)
 {
-	void __iomem *cntcr;
+#ifdef CONFIG_ARM_ARCH_TIMER
+	u32 mode = r8a7790_read_mode_pins();
+	void __iomem *base;
+	int extal_mhz = 0;
+	u32 freq;
+
+	/* At Linux boot time the r8a7790 arch timer comes up
+	 * with the counter disabled. Moreover, it may also report
+	 * a potentially incorrect fixed 13 MHz frequency. To be
+	 * correct these registers need to be updated to use the
+	 * frequency EXTAL / 2 which can be determined by the MD pins.
+	 */
+
+	switch (mode & (MD(14) | MD(13))) {
+	case 0:
+		extal_mhz = 15;
+		break;
+	case MD(13):
+		extal_mhz = 20;
+		break;
+	case MD(14):
+		extal_mhz = 26;
+		break;
+	case MD(13) | MD(14):
+		extal_mhz = 30;
+		break;
+	}
 
-	/* make sure arch timer is started by setting bit 0 of CNTCT */
-	cntcr = ioremap(0xe6080000, PAGE_SIZE);
-	iowrite32(1, cntcr);
-	iounmap(cntcr);
+	/* The arch timer frequency equals EXTAL / 2 */
+	freq = extal_mhz * (1000000 / 2);
+
+	/* Remap "armgcnt address map" space */
+	base = ioremap(0xe6080000, PAGE_SIZE);
+
+	/* Update registers with correct frequency */
+	iowrite32(freq, base + CNTFID0);
+	asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq));
+
+	/* make sure arch timer is started by setting bit 0 of CNTCR */
+	iowrite32(1, base + CNTCR);
+	iounmap(base);
+#endif /* CONFIG_ARM_ARCH_TIMER */
 
 	shmobile_timer_init();
 }
 
+void __init r8a7790_init_delay(void)
+{
+#ifndef CONFIG_ARM_ARCH_TIMER
+	shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */
+#endif
+}
+
 #ifdef CONFIG_USE_OF
 
 static const char *r8a7790_boards_compat_dt[] __initdata = {
@@ -183,6 +276,7 @@ static const char *r8a7790_boards_compat_dt[] __initdata = {
 };
 
 DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)")
+	.init_early	= r8a7790_init_delay,
 	.init_time	= r8a7790_timer_init,
 	.dt_compat	= r8a7790_boards_compat_dt,
 MACHINE_END