Merge tag 'xtensa-for-next-20150207' of git://github.com/jcmvbkbc/linux-xtensa into for_next

Xtensa improvements for 3.20:

- add audio subsystem bits to xtfpga DTS and provide sample KC705 config
  with audio features enabled.

arch/xtensa/boot/dts/xtfpga.dtsi

@@ -40,6 +40,12 @@
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 		};
+
+		clk54: clk54 {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <54000000>;
+		};
 	};
 
 	soc {
@@ -65,5 +71,63 @@
 			local-mac-address = [00 50 c2 13 6f 00];
 			clocks = <&osc>;
 		};
+
+		i2s0: xtfpga-i2s@0d080000 {
+			#sound-dai-cells = <0>;
+			compatible = "cdns,xtfpga-i2s";
+			reg = <0x0d080000 0x40>;
+			interrupts = <2 1>; /* external irq 2 */
+			clocks = <&cdce706 4>;
+		};
+
+		i2c0: i2c-master@0d090000 {
+			compatible = "opencores,i2c-ocores";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0d090000 0x20>;
+			reg-shift = <2>;
+			reg-io-width = <1>;
+			interrupts = <4 1>;
+			clocks = <&osc>;
+
+			cdce706: clock-synth@69 {
+				compatible = "ti,cdce706";
+				#clock-cells = <1>;
+				reg = <0x69>;
+				clocks = <&clk54>;
+				clock-names = "clk_in0";
+			};
+		};
+
+		spi0: spi-master@0d0a0000 {
+			compatible = "cdns,xtfpga-spi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0d0a0000 0xc>;
+
+			tlv320aic23: sound-codec@0 {
+				#sound-dai-cells = <0>;
+				compatible = "tlv320aic23";
+				reg = <0>;
+				spi-max-frequency = <12500000>;
+			};
+		};
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,mclk-fs = <256>;
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s0>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&tlv320aic23>;
+			simple-audio-card,bitclock-master = <0>;
+			simple-audio-card,frame-master = <0>;
+			clocks = <&cdce706 4>;
+		};
 	};
 };

arch/xtensa/configs/audio_kc705_defconfig

@@ -0,0 +1,142 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_FHANDLE=y
+CONFIG_IRQ_DOMAIN_DEBUG=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_IRQ_TIME_ACCOUNTING=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_CGROUP_DEBUG=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_MEMCG=y
+CONFIG_NAMESPACES=y
+CONFIG_SCHED_AUTOGROUP=y
+CONFIG_RELAY=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_EXPERT=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_XTENSA_VARIANT_CUSTOM=y
+CONFIG_XTENSA_VARIANT_CUSTOM_NAME="test_kc705_hifi"
+CONFIG_XTENSA_UNALIGNED_USER=y
+CONFIG_PREEMPT=y
+CONFIG_HIGHMEM=y
+# CONFIG_PCI is not set
+CONFIG_XTENSA_PLATFORM_XTFPGA=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug"
+CONFIG_USE_OF=y
+CONFIG_BUILTIN_DTB="kc705"
+# CONFIG_COMPACTION is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_PM=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_IPV6 is not set
+CONFIG_NETFILTER=y
+# CONFIG_WIRELESS is not set
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+# CONFIG_STANDALONE is not set
+CONFIG_MTD=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_UBI=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_NETDEVICES=y
+# CONFIG_NET_VENDOR_ARC is not set
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_SAMSUNG is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+# CONFIG_NET_VENDOR_SMSC is not set
+# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WIZNET is not set
+CONFIG_MARVELL_PHY=y
+# CONFIG_WLAN is not set
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_HW_RANDOM=y
+CONFIG_I2C=y
+CONFIG_I2C_OCORES=y
+CONFIG_SPI=y
+CONFIG_SPI_XTENSA_XTFPGA=y
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_SOFT_WATCHDOG=y
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_SOC=y
+CONFIG_SND_SOC_XTFPGA_I2S=y
+CONFIG_SND_SOC_TLV320AIC23_SPI=y
+CONFIG_SND_SIMPLE_CARD=y
+# CONFIG_USB_SUPPORT is not set
+CONFIG_COMMON_CLK_CDCE706=y
+# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT4_FS=y
+CONFIG_FANOTIFY=y
+CONFIG_VFAT_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_UBIFS_FS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V4=y
+CONFIG_NFS_SWAP=y
+CONFIG_ROOT_NFS=y
+CONFIG_SUNRPC_DEBUG=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_PRINTK_TIME=y
+CONFIG_DYNAMIC_DEBUG=y
+CONFIG_DEBUG_INFO=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_LOCKUP_DETECTOR=y
+# CONFIG_SCHED_DEBUG is not set
+CONFIG_SCHEDSTATS=y
+CONFIG_TIMER_STATS=y
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+CONFIG_STACKTRACE=y
+CONFIG_RCU_TRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_S32C1I_SELFTEST is not set
+CONFIG_CRYPTO_ANSI_CPRNG=y