Hi Geert, I am using 3.10.31-ltsi ..i have already added the specified line at the end of r8a7791.dts. here i am inculing the content of r8a7791.dts --------------------------------------------------------- /* * Device Tree Source for the Koelsch board * * Copyright (C) 2013-2015 Renesas Electronics Corporation * Copyright (C) 2013-2014 Renesas Solutions Corp. * Copyright (C) 2014 Cogent Embedded, Inc. * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ /* * SSI-AK4643 * * SW1: 1: AK4643 * 2: CN22 * 3: ADV7511 * * This command is required when Playback/Capture * * amixer set "LINEOUT Mixer DACL" on * amixer set "DVC Out" 100% * amixer set "DVC In" 100% * * You can use Mute * * amixer set "DVC Out Mute" on * amixer set "DVC In Mute" on */ /dts-v1/; /* Reserve 16MB used for ADSP */ /memreserve/ 0x56000000 0x01000000; #include "r8a7791.dtsi" #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> / { model = "Koelsch"; compatible = "renesas,koelsch", "renesas,r8a7791"; aliases { serial6 = &scif0; serial7 = &scif1; serial16 = &hscif1; }; chosen { bootargs = "console=ttySC6,38400 ignore_loglevel rw root=/dev/nfs ip=dhcp vmalloc=384M"; }; memory@40000000 { device_type = "memory"; reg = <0 0x40000000 0 0x40000000>; }; memory@200000000 { device_type = "memory"; reg = <2 0x00000000 0 0x40000000>; }; lbsc { #address-cells = <1>; #size-cells = <1>; }; gpio-keys { compatible = "gpio-keys"; key-1 { gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; linux,code = <KEY_1>; label = "SW2-1"; gpio-key,wakeup; debounce-interval = <20>; }; key-2 { gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; linux,code = <KEY_2>; label = "SW2-2"; gpio-key,wakeup; debounce-interval = <20>; }; key-3 { gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; linux,code = <KEY_3>; label = "SW2-3"; gpio-key,wakeup; debounce-interval = <20>; }; key-4 { gpios = <&gpio5 3 GPIO_ACTIVE_LOW>; linux,code = <KEY_4>; label = "SW2-4"; gpio-key,wakeup; debounce-interval = <20>; }; key-a { gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; linux,code = <KEY_A>; label = "SW30"; gpio-key,wakeup; debounce-interval = <20>; }; key-b { gpios = <&gpio7 1 GPIO_ACTIVE_LOW>; linux,code = <KEY_B>; label = "SW31"; gpio-key,wakeup; debounce-interval = <20>; }; key-c { gpios = <&gpio7 2 GPIO_ACTIVE_LOW>; linux,code = <KEY_C>; label = "SW32"; gpio-key,wakeup; debounce-interval = <20>; }; key-d { gpios = <&gpio7 3 GPIO_ACTIVE_LOW>; linux,code = <KEY_D>; label = "SW33"; gpio-key,wakeup; debounce-interval = <20>; }; key-e { gpios = <&gpio7 4 GPIO_ACTIVE_LOW>; linux,code = <KEY_E>; label = "SW34"; gpio-key,wakeup; debounce-interval = <20>; }; key-f { gpios = <&gpio7 5 GPIO_ACTIVE_LOW>; linux,code = <KEY_F>; label = "SW35"; gpio-key,wakeup; debounce-interval = <20>; }; key-g { gpios = <&gpio7 6 GPIO_ACTIVE_LOW>; linux,code = <KEY_G>; label = "SW36"; gpio-key,wakeup; debounce-interval = <20>; }; }; leds { compatible = "gpio-leds"; led6 { gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>; }; led7 { gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>; }; led8 { gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>; }; }; vcc_sdhi0: regulator@0 { compatible = "regulator-fixed"; regulator-name = "SDHI0 Vcc"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&gpio7 17 GPIO_ACTIVE_HIGH>; enable-active-high; }; vccq_sdhi0: regulator@1 { compatible = "regulator-gpio"; regulator-name = "SDHI0 VccQ"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; gpios = <&gpio2 12 GPIO_ACTIVE_HIGH>; gpios-states = <1>; states = <3300000 1 1800000 0>; }; vcc_sdhi1: regulator@2 { compatible = "regulator-fixed"; regulator-name = "SDHI1 Vcc"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&gpio7 18 GPIO_ACTIVE_HIGH>; enable-active-high; }; vccq_sdhi1: regulator@3 { compatible = "regulator-gpio"; regulator-name = "SDHI1 VccQ"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>; gpios-states = <1>; states = <3300000 1 1800000 0>; }; vcc_sdhi2: regulator@4 { compatible = "regulator-fixed"; regulator-name = "SDHI2 Vcc"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&gpio7 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; vccq_sdhi2: regulator@5 { compatible = "regulator-gpio"; regulator-name = "SDHI2 VccQ"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>; gpios-states = <1>; states = <3300000 1 1800000 0>; }; sound { compatible = "simple-audio-card"; simple-audio-card,format = "i2s"; sndcpu: simple-audio-card,cpu { sound-dai = <&rcar_sound>; }; sndcodec: simple-audio-card,codec { sound-dai = <&ak4643>; system-clock-frequency = <11289600>; }; }; hdmi_transmitter: adv7511 { compatible = "adi,adv7511"; gpios = <&gpio3 29 GPIO_ACTIVE_LOW>; adi,input-style = <0x02>; adi,input-id = <0x00>; adi,input-color-depth = <0x03>; adi,sync-pulse = <0x03>; adi,bit-justification = <0x01>; adi,up-conversion = <0x00>; adi,timing-generation-sequence = <0x00>; adi,vsync-polarity = <0x02>; adi,hsync-polarity = <0x02>; adi,clock-delay = <0x03>; }; }; &extal_clk { clock-frequency = <20000000>; }; &pfc { pinctrl-0 = <&du_pins &usb0_pins &usb1_pins &vin0_pins &vin1_pins>; pinctrl-names = "default"; i2c2_pins: i2c2 { renesas,groups = "i2c2"; renesas,function = "i2c2"; }; du_pins: du { renesas,groups = "du_rgb666", "du_sync", "du_clk_out_0"; renesas,function = "du"; }; scif0_pins: serial6 { renesas,groups = "scif0_data_d"; renesas,function = "scif0"; }; scif1_pins: serial7 { renesas,groups = "scif1_data_d"; renesas,function = "scif1"; }; hscif1_pins: serial16 { renesas,groups = "hscif1_data", "hscif1_ctrl"; renesas,function = "hscif1"; }; ether_pins: ether { renesas,groups = "eth_link", "eth_mdio", "eth_rmii"; renesas,function = "eth"; }; phy1_pins: phy1 { renesas,groups = "intc_irq0"; renesas,function = "intc"; }; sdhi0_pins: sd0 { renesas,groups = "sdhi0_data4", "sdhi0_ctrl"; renesas,function = "sdhi0"; }; sdhi1_pins: sd1 { renesas,groups = "sdhi1_data4", "sdhi1_ctrl"; renesas,function = "sdhi1"; }; sdhi2_pins: sd2 { renesas,groups = "sdhi2_data4", "sdhi2_ctrl"; renesas,function = "sdhi2"; }; qspi_pins: spi0 { renesas,groups = "qspi_ctrl", "qspi_data4"; renesas,function = "qspi"; }; msiof0_pins: spi1 { renesas,groups = "msiof0_clk", "msiof0_sync", "msiof0_rx", "msiof0_tx"; renesas,function = "msiof0"; }; msiof1_pins: spi2 { renesas,groups = "msiof1_clk_c", "msiof1_sync_c", "msiof1_rx_c", "msiof1_tx_c"; renesas,function = "msiof1"; }; sound_pins: sound { renesas,groups = "ssi0129_ctrl", "ssi0_data", "ssi1_data"; renesas,function = "ssi"; }; sound_clk_pins: sound_clk { renesas,groups = "audio_clk_a"; renesas,function = "audio_clk"; }; vin0_pins: vin0 { renesas,groups = "vin0_data24", "vin0_sync", "vin0_field", "vin0_clkenb", "vin0_clk"; renesas,function = "vin0"; }; vin1_pins: vin1 { renesas,groups = "vin1_data8", "vin1_clk"; renesas,function = "vin1"; }; usb0_pins: usb0 { renesas,groups = "usb0"; renesas,function = "usb0"; }; usb1_pins: usb1 { renesas,groups = "usb1"; renesas,function = "usb1"; }; }; ðer { pinctrl-0 = <ðer_pins &phy1_pins>; pinctrl-names = "default"; phy-handle = <&phy1>; renesas,ether-link-active-low; status = "ok"; phy1: ethernet-phy@1 { reg = <1>; interrupt-parent = <&irqc0>; interrupts = <0 IRQ_TYPE_LEVEL_LOW>; micrel,led-mode = <1>; }; }; &sata0 { status = "okay"; }; &scif0 { pinctrl-0 = <&scif0_pins>; pinctrl-names = "default"; status = "okay"; }; &scif1 { pinctrl-0 = <&scif1_pins>; pinctrl-names = "default"; status = "okay"; }; &hscif1 { pinctrl-0 = <&hscif1_pins>; pinctrl-names = "default"; }; &sdhi0 { pinctrl-0 = <&sdhi0_pins>; pinctrl-names = "default"; vmmc-supply = <&vcc_sdhi0>; vqmmc-supply = <&vccq_sdhi0>; cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>; status = "okay"; }; &sdhi1 { pinctrl-0 = <&sdhi1_pins>; pinctrl-names = "default"; vmmc-supply = <&vcc_sdhi1>; vqmmc-supply = <&vccq_sdhi1>; cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio6 15 GPIO_ACTIVE_HIGH>; status = "okay"; }; &sdhi2 { pinctrl-0 = <&sdhi2_pins>; pinctrl-names = "default"; vmmc-supply = <&vcc_sdhi2>; vqmmc-supply = <&vccq_sdhi2>; cd-gpios = <&gpio6 22 GPIO_ACTIVE_LOW>; status = "okay"; }; &qspi { pinctrl-0 = <&qspi_pins>; pinctrl-names = "default"; status = "okay"; flash: flash@0 { #address-cells = <1>; #size-cells = <1>; compatible = "spansion,s25fl512s"; reg = <0>; spi-max-frequency = <30000000>; spi-tx-bus-width = <4>; spi-rx-bus-width = <4>; m25p,fast-read; spi-cpol; spi-cpha; partition@0 { label = "loader"; reg = <0x00000000 0x00080000>; read-only; }; partition@40000 { label = "user"; reg = <0x00080000 0x00580000>; read-only; }; partition@440000 { label = "flash"; reg = <0x00600000 0x03a00000>; }; }; }; &msiof0 { pinctrl-0 = <&msiof0_pins>; pinctrl-names = "default"; status = "okay"; }; &msiof1 { pinctrl-0 = <&msiof1_pins>; pinctrl-names = "default"; status = "okay"; }; &i2c2 { pinctrl-0 = <&i2c2_pins>; pinctrl-names = "default"; status = "okay"; clock-frequency = <400000>; eeprom@50 { compatible = "renesas,24c02"; reg = <0x50>; pagesize = <16>; }; ak4643: sound-codec@12 { #sound-dai-cells = <0>; compatible = "asahi-kasei,ak4643"; reg = <0x12>; }; }; &i2c6 { status = "okay"; clock-frequency = <100000>; vdd_dvfs: regulator@68 { compatible = "diasemi,da9210"; reg = <0x68>; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-boot-on; regulator-always-on; }; }; &pci0 { status = "okay"; pinctrl-0 = <&usb0_pins>; pinctrl-names = "default"; }; &pci1 { status = "okay"; pinctrl-0 = <&usb1_pins>; pinctrl-names = "default"; }; &pcie_bus_clk { status = "okay"; }; &pciec { status = "okay"; }; &cpu0 { cpu0-supply = <&vdd_dvfs>; }; &rcar_sound { pinctrl-0 = <&sound_pins &sound_clk_pins>; pinctrl-names = "default"; #sound-dai-cells = <0>; status = "okay"; rcar_sound,dai { dai0 { playback = <&ssi0 &src0 &dvc0>; capture = <&ssi1 &src1 &dvc1>; }; }; }; &ssi1 { shared-pin; }; #include "r8a77xx-aa104xd12-panel.dtsi" Best Regards Jithin T Raj