Update the MPC8610 HPCD files to support the audio driver. Update booting-without-of.txt with information on the SSI device.
Signed-off-by: Timur Tabi timur@freescale.com ---
Updated based on comments from mailing lists. Split the patch into two parts.
This patch applies on top of git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa.git.
Documentation/powerpc/booting-without-of.txt | 40 ++++++ arch/powerpc/boot/dts/mpc8610_hpcd.dts | 110 ++++++++++++++++- arch/powerpc/configs/mpc8610_hpcd_defconfig | 171 +++++++++++++++++++++++++- arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 18 +++ 4 files changed, 335 insertions(+), 4 deletions(-)
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index e9a3cb1..826af91 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -53,6 +53,7 @@ Table of Contents j) CFI or JEDEC memory-mapped NOR flash k) Global Utilities Block l) Xilinx IP cores + p) Freescale Synchronous Serial Interface
VII - Specifying interrupt information for devices 1) interrupts property @@ -2514,6 +2515,45 @@ platforms are moved over to use the flattened-device-tree model. Requred properties: - current-speed : Baud rate of uartlite
+ p) Freescale Synchronous Serial Interface + + The SSI is a serial device that communicates with audio codecs. It can + be programmed in AC97, I2S, left-justified, or right-justified modes. + + Required properties: + - compatible : compatible list, containing "fsl,ssi" + - cell-index : the SSI, <0> = SSI1, <1> = SSI2, and so on + - reg : offset and length of the register set for the device + - interrupts : <a b> where a is the interrupt number and b is a + field that represents an encoding of the sense and + level information for the interrupt. This should be + encoded based on the information in section 2) + depending on the type of interrupt controller you + have. + - interrupt-parent : the phandle for the interrupt controller that + services interrupts for this device. + - fsl,mode : the operating mode for the SSI interface + "i2s-slave" - I2S mode, SSI is clock slave + "i2s-master" - I2S mode, SSI is clock master + "lj-slave" - left-justified mode, SSI is clock slave + "lj-master" - l.j. mode, SSI is clock master + "rj-slave" - right-justified mode, SSI is clock slave + "rj-master" - r.j., SSI is clock master + "ac97-slave" - AC97 mode, SSI is clock slave + "ac97-master" - AC97 mode, SSI is clock master + + Optional properties: + - codec : child node that defines an audio codec connected + to this SSI + + Child 'codec' node required properties: + - compatible : compatible list, contains the name of the codec + + Child 'codec' node optional properties: + - bus-frequency : The frequency of the input clock, which typically + comes from an on-board dedicated oscillator. + + More devices will be defined as this spec matures.
VII - Specifying interrupt information for devices diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts b/arch/powerpc/boot/dts/mpc8610_hpcd.dts index 966edf1..fda0ace 100644 --- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts +++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts @@ -1,7 +1,7 @@ /* * MPC8610 HPCD Device Tree Source * - * Copyright 2007 Freescale Semiconductor Inc. + * Copyright 2007-2008 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 @@ -42,6 +42,7 @@ #size-cells = <1>; #interrupt-cells = <2>; device_type = "soc"; + compatible = "fsl,mpc8610"; ranges = <0 e0000000 00100000>; reg = <e0000000 1000>; bus-frequency = <0>; @@ -103,6 +104,113 @@ reg = <e0000 1000>; fsl,has-rstcr; }; + + ssi@16000 { + compatible = "fsl,mpc8610-ssi"; + cell-index = <0>; + reg = <16000 100>; + interrupt-parent = <&mpic>; + interrupts = <3e 2>; + fsl,mode = "i2s-slave"; + codec { + compatible = "cirrus,cs4270"; + /* MCLK source is a stand-alone oscillator */ + clock-frequency = <bb8000>; + }; + }; + + ssi@16100 { + compatible = "fsl,mpc8610-ssi"; + cell-index = <1>; + reg = <16100 100>; + interrupt-parent = <&mpic>; + interrupts = <3f 2>; + }; + + dma@21300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8610-dma", "fsl,eloplus-dma"; + cell-index = <0>; + reg = <21300 4>; /* DMA general status register */ + ranges = <0 21100 200>; + + dma-channel@0 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,eloplus-dma-channel"; + cell-index = <0>; + reg = <0 80>; + interrupt-parent = <&mpic>; + interrupts = <14 2>; + }; + dma-channel@1 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,eloplus-dma-channel"; + cell-index = <1>; + reg = <80 80>; + interrupt-parent = <&mpic>; + interrupts = <15 2>; + }; + dma-channel@2 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,eloplus-dma-channel"; + cell-index = <2>; + reg = <100 80>; + interrupt-parent = <&mpic>; + interrupts = <16 2>; + }; + dma-channel@3 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,eloplus-dma-channel"; + cell-index = <3>; + reg = <180 80>; + interrupt-parent = <&mpic>; + interrupts = <17 2>; + }; + }; + + dma@c300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8610-dma", "fsl,mpc8540-dma"; + cell-index = <1>; + reg = <c300 4>; /* DMA general status register */ + ranges = <0 c100 200>; + + dma-channel@0 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,mpc8540-dma-channel"; + cell-index = <0>; + reg = <0 80>; + interrupt-parent = <&mpic>; + interrupts = <3c 2>; + }; + dma-channel@1 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,mpc8540-dma-channel"; + cell-index = <1>; + reg = <80 80>; + interrupt-parent = <&mpic>; + interrupts = <3d 2>; + }; + dma-channel@2 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,mpc8540-dma-channel"; + cell-index = <2>; + reg = <100 80>; + interrupt-parent = <&mpic>; + interrupts = <3e 2>; + }; + dma-channel@3 { + compatible = "fsl,mpc8610-dma-channel", + "fsl,mpc8540-dma-channel"; + cell-index = <3>; + reg = <180 80>; + interrupt-parent = <&mpic>; + interrupts = <3f 2>; + }; + }; + };
pci@e0008000 { diff --git a/arch/powerpc/configs/mpc8610_hpcd_defconfig b/arch/powerpc/configs/mpc8610_hpcd_defconfig index 0483211..fb68886 100644 --- a/arch/powerpc/configs/mpc8610_hpcd_defconfig +++ b/arch/powerpc/configs/mpc8610_hpcd_defconfig @@ -684,7 +684,7 @@ CONFIG_SERIAL_8250_RSA=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set -CONFIG_SERIAL_OF_PLATFORM=y +# CONFIG_SERIAL_OF_PLATFORM is not set CONFIG_UNIX98_PTYS=y # CONFIG_LEGACY_PTYS is not set # CONFIG_IPMI_HANDLER is not set @@ -699,7 +699,60 @@ CONFIG_UNIX98_PTYS=y # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set CONFIG_DEVPORT=y -# CONFIG_I2C is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +# CONFIG_I2C_CHARDEV is not set + +# +# I2C Algorithms +# +# CONFIG_I2C_ALGOBIT is not set +# CONFIG_I2C_ALGOPCF is not set +# CONFIG_I2C_ALGOPCA is not set + +# +# I2C Hardware Bus support +# +# CONFIG_I2C_ALI1535 is not set +# CONFIG_I2C_ALI1563 is not set +# CONFIG_I2C_ALI15X3 is not set +# CONFIG_I2C_AMD756 is not set +# CONFIG_I2C_AMD8111 is not set +# CONFIG_I2C_I801 is not set +# CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set +CONFIG_I2C_MPC=y +# CONFIG_I2C_NFORCE2 is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PROSAVAGE is not set +# CONFIG_I2C_SAVAGE4 is not set +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_SIS5595 is not set +# CONFIG_I2C_SIS630 is not set +# CONFIG_I2C_SIS96X is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_VIA is not set +# CONFIG_I2C_VIAPRO is not set +# CONFIG_I2C_VOODOO3 is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set +# CONFIG_DS1682 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_M41T00 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set
# # SPI support @@ -746,7 +799,119 @@ CONFIG_DUMMY_CONSOLE=y # # Sound # -# CONFIG_SOUND is not set +CONFIG_SOUND=y + +# +# Advanced Linux Sound Architecture +# +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +# CONFIG_SND_SEQUENCER is not set +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=y +CONFIG_SND_PCM_OSS=y +# CONFIG_SND_PCM_OSS_PLUGINS is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +# CONFIG_SND_SUPPORT_OLD_API is not set +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set + +# +# Generic devices +# +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set + +# +# PCI devices +# +# CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS300 is not set +# CONFIG_SND_ALS4000 is not set +# CONFIG_SND_ALI5451 is not set +# CONFIG_SND_ATIIXP is not set +# CONFIG_SND_ATIIXP_MODEM is not set +# CONFIG_SND_AU8810 is not set +# CONFIG_SND_AU8820 is not set +# CONFIG_SND_AU8830 is not set +# CONFIG_SND_AZT3328 is not set +# CONFIG_SND_BT87X is not set +# CONFIG_SND_CA0106 is not set +# CONFIG_SND_CMIPCI is not set +# CONFIG_SND_CS4281 is not set +# CONFIG_SND_CS46XX is not set +# CONFIG_SND_CS5530 is not set +# CONFIG_SND_DARLA20 is not set +# CONFIG_SND_GINA20 is not set +# CONFIG_SND_LAYLA20 is not set +# CONFIG_SND_DARLA24 is not set +# CONFIG_SND_GINA24 is not set +# CONFIG_SND_LAYLA24 is not set +# CONFIG_SND_MONA is not set +# CONFIG_SND_MIA is not set +# CONFIG_SND_ECHO3G is not set +# CONFIG_SND_INDIGO is not set +# CONFIG_SND_INDIGOIO is not set +# CONFIG_SND_INDIGODJ is not set +# CONFIG_SND_EMU10K1 is not set +# CONFIG_SND_EMU10K1X is not set +# CONFIG_SND_ENS1370 is not set +# CONFIG_SND_ENS1371 is not set +# CONFIG_SND_ES1938 is not set +# CONFIG_SND_ES1968 is not set +# CONFIG_SND_FM801 is not set +# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_HDSP is not set +# CONFIG_SND_HDSPM is not set +# CONFIG_SND_ICE1712 is not set +# CONFIG_SND_ICE1724 is not set +# CONFIG_SND_INTEL8X0 is not set +# CONFIG_SND_INTEL8X0M is not set +# CONFIG_SND_KORG1212 is not set +# CONFIG_SND_MAESTRO3 is not set +# CONFIG_SND_MIXART is not set +# CONFIG_SND_NM256 is not set +# CONFIG_SND_PCXHR is not set +# CONFIG_SND_RIPTIDE is not set +# CONFIG_SND_RME32 is not set +# CONFIG_SND_RME96 is not set +# CONFIG_SND_RME9652 is not set +# CONFIG_SND_SONICVIBES is not set +# CONFIG_SND_TRIDENT is not set +# CONFIG_SND_VIA82XX is not set +# CONFIG_SND_VIA82XX_MODEM is not set +# CONFIG_SND_VX222 is not set +# CONFIG_SND_YMFPCI is not set + +# +# ALSA PowerMac devices +# + +# +# ALSA PowerPC devices +# + +# +# System on Chip audio support +# +CONFIG_SND_SOC=y + +# +# SoC Audio support for SuperH +# + +# +# ALSA SoC audio for Freescale SOCs +# +CONFIG_SND_SOC_MPC8610=y +CONFIG_SND_SOC_MPC8610_HPCD=y +CONFIG_SND_SOC_CS4270=y +CONFIG_SND_SOC_CS4270_VD33_ERRATA=y + CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HID_DEBUG is not set diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index 6390895..ed45a4a 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -34,9 +34,27 @@
#include <asm/mpic.h>
+#include <linux/of_platform.h> #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h>
+static struct of_device_id mpc8610_ids[] = { + { .compatible = "fsl,mpc8610", }, + {} +}; + +static int __init mpc8610_declare_of_platform_devices(void) +{ + if (!machine_is(mpc86xx_hpcd)) + return 0; + + /* Without this call, the SSI device driver won't get probed. */ + of_platform_bus_probe(NULL, mpc8610_ids, NULL); + + return 0; +} +device_initcall(mpc8610_declare_of_platform_devices); + void __init mpc86xx_hpcd_init_irq(void) {