Merge tag 'clock' of git://git.kernel.org/pub/scm/linux/kernel/git/ar…

…m/arm-soc

Pull arm-soc clock driver changes from Olof Johansson:
 "The new clock subsystem was merged in linux-3.4 without any users,
  this now moves the first three platforms over to it: imx, mxs and
  spear.

  The series also contains the changes for the clock subsystem itself,
  since Mike preferred to have it together with the platforms that
  require these changes, in order to avoid interdependencies and
  conflicts."

Fix up trivial conflicts in arch/arm/mach-kirkwood/common.c (code
removed in one branch, added OF support in another) and
drivers/dma/imx-sdma.c (independent changes next to each other).

* tag 'clock' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  clk: Fix CLK_SET_RATE_GATE flag validation in clk_set_rate().
  clk: Provide dummy clk_unregister()
  SPEAr: Update defconfigs
  SPEAr: Add SMI NOR partition info in dts files
  SPEAr: Switch to common clock framework
  SPEAr: Call clk_prepare() before calling clk_enable
  SPEAr: clk: Add General Purpose Timer Synthesizer clock
  SPEAr: clk: Add Fractional Synthesizer clock
  SPEAr: clk: Add Auxiliary Synthesizer clock
  SPEAr: clk: Add VCO-PLL Synthesizer clock
  SPEAr: Add DT bindings for SPEAr's timer
  ARM i.MX: remove now unused clock files
  ARM: i.MX6: implement clocks using common clock framework
  ARM i.MX35: implement clocks using common clock framework
  ARM i.MX5: implement clocks using common clock framework
  ARM: Kirkwood: Replace clock gating
  ARM: Orion: Audio: Add clk/clkdev support
  ARM: Orion: PCIE: Add support for clk
  ARM: Orion: XOR: Add support for clk
  ARM: Orion: CESA: Add support for clk
  ...

Documentation/devicetree/bindings/arm/spear-timer.txt

@@ -0,0 +1,18 @@
+* SPEAr ARM Timer
+
+** Timer node required properties:
+
+- compatible : Should be:
+	"st,spear-timer"
+- reg: Address range of the timer registers
+- interrupt-parent: Should be the phandle for the interrupt controller
+  that services interrupts for this device
+- interrupt: Should contain the timer interrupt number
+
+Example:
+
+	timer@f0000000 {
+		compatible = "st,spear-timer";
+		reg = <0xf0000000 0x400>;
+		interrupts = <2>;
+	};

MAINTAINERS

@@ -1905,6 +1905,16 @@ F:	Documentation/filesystems/coda.txt
 F:	fs/coda/
 F:	include/linux/coda*.h
 
+COMMON CLK FRAMEWORK
+M:	Mike Turquette <mturquette@ti.com>
+M:	Mike Turquette <mturquette@linaro.org>
+L:	linux-arm-kernel@lists.infradead.org (same as CLK API & CLKDEV)
+T:	git git://git.linaro.org/people/mturquette/linux.git
+S:	Maintained
+F:	drivers/clk/clk.c
+F:	drivers/clk/clk-*
+F:	include/linux/clk-pr*
+
 COMMON INTERNET FILE SYSTEM (CIFS)
 M:	Steve French <sfrench@samba.org>
 L:	linux-cifs@vger.kernel.org
@@ -6368,9 +6378,7 @@ L:	spear-devel@list.st.com
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 W:	http://www.st.com/spear
 S:	Maintained
-F:	arch/arm/mach-spear*/clock.c
-F:	arch/arm/plat-spear/clock.c
-F:	arch/arm/plat-spear/include/plat/clock.h
+F:	drivers/clk/spear/
 
 SPI SUBSYSTEM
 M:	Grant Likely <grant.likely@secretlab.ca>

arch/arm/Kconfig

@@ -456,6 +456,7 @@ config ARCH_MXS
 	select ARCH_REQUIRE_GPIOLIB
 	select CLKDEV_LOOKUP
 	select CLKSRC_MMIO
+	select COMMON_CLK
 	select HAVE_CLK_PREPARE
 	select PINCTRL
 	help
@@ -947,6 +948,7 @@ config PLAT_SPEAR
 	select ARM_AMBA
 	select ARCH_REQUIRE_GPIOLIB
 	select CLKDEV_LOOKUP
+	select COMMON_CLK
 	select CLKSRC_MMIO
 	select GENERIC_CLOCKEVENTS
 	select HAVE_CLK
@@ -1101,6 +1103,7 @@ config PLAT_ORION
 	bool
 	select CLKSRC_MMIO
 	select GENERIC_IRQ_CHIP
+	select COMMON_CLK
 
 config PLAT_PXA
 	bool

arch/arm/boot/dts/spear300-evb.dts

@@ -87,6 +87,31 @@
 
 		smi: flash@fc000000 {
 			status = "okay";
+			clock-rate=<50000000>;
+
+			flash@f8000000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xf8000000 0x800000>;
+				st,smi-fast-mode;
+
+				partition@0 {
+					label = "xloader";
+					reg = <0x0 0x10000>;
+				};
+				partition@10000 {
+					label = "u-boot";
+					reg = <0x10000 0x40000>;
+				};
+				partition@50000 {
+					label = "linux";
+					reg = <0x50000 0x2c0000>;
+				};
+				partition@310000 {
+					label = "rootfs";
+					reg = <0x310000 0x4f0000>;
+				};
+			};
 		};
 
 		spi0: spi@d0100000 {

arch/arm/boot/dts/spear310-evb.dts

@@ -103,11 +103,27 @@
 			clock-rate=<50000000>;
 
 			flash@f8000000 {
-				label = "m25p64";
-				reg = <0xf8000000 0x800000>;
 				#address-cells = <1>;
 				#size-cells = <1>;
+				reg = <0xf8000000 0x800000>;
 				st,smi-fast-mode;
+
+				partition@0 {
+					label = "xloader";
+					reg = <0x0 0x10000>;
+				};
+				partition@10000 {
+					label = "u-boot";
+					reg = <0x10000 0x40000>;
+				};
+				partition@50000 {
+					label = "linux";
+					reg = <0x50000 0x2c0000>;
+				};
+				partition@310000 {
+					label = "rootfs";
+					reg = <0x310000 0x4f0000>;
+				};
 			};
 		};
 

arch/arm/boot/dts/spear320-evb.dts

@@ -110,6 +110,31 @@
 
 		smi: flash@fc000000 {
 			status = "okay";
+			clock-rate=<50000000>;
+
+			flash@f8000000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xf8000000 0x800000>;
+				st,smi-fast-mode;
+
+				partition@0 {
+					label = "xloader";
+					reg = <0x0 0x10000>;
+				};
+				partition@10000 {
+					label = "u-boot";
+					reg = <0x10000 0x40000>;
+				};
+				partition@50000 {
+					label = "linux";
+					reg = <0x50000 0x2c0000>;
+				};
+				partition@310000 {
+					label = "rootfs";
+					reg = <0x310000 0x4f0000>;
+				};
+			};
 		};
 
 		spi0: spi@d0100000 {

arch/arm/boot/dts/spear3xx.dtsi

@@ -139,6 +139,12 @@
 				interrupts = <12>;
 				status = "disabled";
 			};
+
+			timer@f0000000 {
+				compatible = "st,spear-timer";
+				reg = <0xf0000000 0x400>;
+				interrupts = <2>;
+			};
 		};
 	};
 };

arch/arm/boot/dts/spear600-evb.dts

@@ -33,6 +33,35 @@
 			status = "okay";
 		};
 
+		smi: flash@fc000000 {
+			status = "okay";
+			clock-rate=<50000000>;
+
+			flash@f8000000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xf8000000 0x800000>;
+				st,smi-fast-mode;
+
+				partition@0 {
+					label = "xloader";
+					reg = <0x0 0x10000>;
+				};
+				partition@10000 {
+					label = "u-boot";
+					reg = <0x10000 0x40000>;
+				};
+				partition@50000 {
+					label = "linux";
+					reg = <0x50000 0x2c0000>;
+				};
+				partition@310000 {
+					label = "rootfs";
+					reg = <0x310000 0x4f0000>;
+				};
+			};
+		};
+
 		apb {
 			serial@d0000000 {
 				status = "okay";

arch/arm/boot/dts/spear600.dtsi

@@ -177,6 +177,12 @@
 				interrupts = <28>;
 				status = "disabled";
 			};
+
+			timer@f0000000 {
+				compatible = "st,spear-timer";
+				reg = <0xf0000000 0x400>;
+				interrupts = <16>;
+			};
 		};
 	};
 };

arch/arm/configs/spear3xx_defconfig

@@ -14,6 +14,9 @@ CONFIG_BINFMT_MISC=y
 CONFIG_NET=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
+CONFIG_MTD_OF_PARTS=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSMC=y
 CONFIG_BLK_DEV_RAM=y
@@ -73,6 +76,7 @@ CONFIG_MSDOS_FS=m
 CONFIG_VFAT_FS=m
 CONFIG_FAT_DEFAULT_IOCHARSET="ascii"
 CONFIG_TMPFS=y
+CONFIG_JFFS2_FS=y
 CONFIG_NLS_DEFAULT="utf8"
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ASCII=m

arch/arm/configs/spear6xx_defconfig

@@ -8,11 +8,13 @@ CONFIG_MODVERSIONS=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_PLAT_SPEAR=y
 CONFIG_ARCH_SPEAR6XX=y
-CONFIG_BOARD_SPEAR600_DT=y
 CONFIG_BINFMT_MISC=y
 CONFIG_NET=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
+CONFIG_MTD_OF_PARTS=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSMC=y
 CONFIG_BLK_DEV_RAM=y
@@ -64,6 +66,7 @@ CONFIG_MSDOS_FS=m
 CONFIG_VFAT_FS=m
 CONFIG_FAT_DEFAULT_IOCHARSET="ascii"
 CONFIG_TMPFS=y
+CONFIG_JFFS2_FS=y
 CONFIG_NLS_DEFAULT="utf8"
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ASCII=m

arch/arm/mach-dove/common.c

@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/pci.h>
-#include <linux/clk.h>
+#include <linux/clk-provider.h>
 #include <linux/ata_platform.h>
 #include <linux/gpio.h>
 #include <asm/page.h>
@@ -67,6 +67,19 @@ void __init dove_map_io(void)
 	iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
 }
 
+/*****************************************************************************
+ * CLK tree
+ ****************************************************************************/
+static struct clk *tclk;
+
+static void __init clk_init(void)
+{
+	tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT,
+				       get_tclk());
+
+	orion_clkdev_init(tclk);
+}
+
 /*****************************************************************************
  * EHCI0
  ****************************************************************************/
@@ -89,8 +102,7 @@ void __init dove_ehci1_init(void)
 void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 {
 	orion_ge00_init(eth_data,
-			DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM,
-			0, get_tclk());
+			DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM, 0);
 }
 
 /*****************************************************************************
@@ -116,7 +128,7 @@ void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
 void __init dove_uart0_init(void)
 {
 	orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE,
-			 IRQ_DOVE_UART_0, get_tclk());
+			 IRQ_DOVE_UART_0, tclk);
 }
 
 /*****************************************************************************
@@ -125,7 +137,7 @@ void __init dove_uart0_init(void)
 void __init dove_uart1_init(void)
 {
 	orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE,
-			 IRQ_DOVE_UART_1, get_tclk());
+			 IRQ_DOVE_UART_1, tclk);
 }
 
 /*****************************************************************************
@@ -134,7 +146,7 @@ void __init dove_uart1_init(void)
 void __init dove_uart2_init(void)
 {
 	orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE,
-			 IRQ_DOVE_UART_2, get_tclk());
+			 IRQ_DOVE_UART_2, tclk);
 }
 
 /*****************************************************************************
@@ -143,20 +155,20 @@ void __init dove_uart2_init(void)
 void __init dove_uart3_init(void)
 {
 	orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE,
-			 IRQ_DOVE_UART_3, get_tclk());
+			 IRQ_DOVE_UART_3, tclk);
 }
 
 /*****************************************************************************
  * SPI
  ****************************************************************************/
 void __init dove_spi0_init(void)
 {
-	orion_spi_init(DOVE_SPI0_PHYS_BASE, get_tclk());
+	orion_spi_init(DOVE_SPI0_PHYS_BASE);
 }
 
 void __init dove_spi1_init(void)
 {
-	orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk());
+	orion_spi_1_init(DOVE_SPI1_PHYS_BASE);
 }
 
 /*****************************************************************************
@@ -272,18 +284,17 @@ void __init dove_sdio1_init(void)
 
 void __init dove_init(void)
 {
-	int tclk;
-
-	tclk = get_tclk();
-
 	printk(KERN_INFO "Dove 88AP510 SoC, ");
-	printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000);
+	printk(KERN_INFO "TCLK = %dMHz\n", (get_tclk() + 499999) / 1000000);
 
 #ifdef CONFIG_CACHE_TAUROS2
 	tauros2_init();
 #endif
 	dove_setup_cpu_mbus();
 
+	/* Setup root of clk tree */
+	clk_init();
+
 	/* internal devices that every board has */
 	dove_rtc_init();
 	dove_xor0_init();

arch/arm/mach-dove/dove-db-setup.c

@@ -20,7 +20,6 @@
 #include <linux/i2c.h>
 #include <linux/pci.h>
 #include <linux/spi/spi.h>
-#include <linux/spi/orion_spi.h>
 #include <linux/spi/flash.h>
 #include <linux/gpio.h>
 #include <asm/mach-types.h>