1STMicroelectronics sti ASoC cards 2 3The sti ASoC Sound Card can be used, for all sti SoCs using internal sti-sas 4codec or external codecs. 5 6sti sound drivers allows to expose sti SoC audio interface through the 7generic ASoC simple card. For details about sound card declaration please refer to 8Documentation/devicetree/bindings/sound/simple-card.txt. 9 101) sti-uniperiph-dai: audio dai device. 11--------------------------------------- 12 13Required properties: 14 - compatible: "st,sti-uni-player" or "st,sti-uni-reader" 15 16 - st,syscfg: phandle to boot-device system configuration registers 17 18 - clock-names: name of the clocks listed in clocks property in the same order 19 20 - reg: CPU DAI IP Base address and size entries, listed in same 21 order than the CPU_DAI properties. 22 23 - reg-names: names of the mapped memory regions listed in regs property in 24 the same order. 25 26 - interrupts: CPU_DAI interrupt line, listed in the same order than the 27 CPU_DAI properties. 28 29 - dma: CPU_DAI DMA controller phandle and DMA request line, listed in the same 30 order than the CPU_DAI properties. 31 32 - dma-names: identifier string for each DMA request line in the dmas property. 33 "tx" for "st,sti-uni-player" compatibility 34 "rx" for "st,sti-uni-reader" compatibility 35 36 - version: IP version integrated in SOC. 37 38 - dai-name: DAI name that describes the IP. 39 40 - IP mode: IP working mode depending on associated codec. 41 "HDMI" connected to HDMI codec and support IEC HDMI formats (player only). 42 "SPDIF" connected to SPDIF codec and support SPDIF formats (player only). 43 "PCM" PCM standard mode for I2S or TDM bus. 44 "TDM" TDM mode for TDM bus. 45 46Required properties ("st,sti-uni-player" compatibility only): 47 - clocks: CPU_DAI IP clock source, listed in the same order than the 48 CPU_DAI properties. 49 50 - uniperiph-id: internal SOC IP instance ID. 51 52Optional properties: 53 - pinctrl-0: defined for CPU_DAI@1 and CPU_DAI@4 to describe I2S PIOs for 54 external codecs connection. 55 56 - pinctrl-names: should contain only one value - "default". 57 58Example: 59 60 sti_uni_player1: sti-uni-player@1 { 61 compatible = "st,sti-uni-player"; 62 status = "okay"; 63 #sound-dai-cells = <0>; 64 st,syscfg = <&syscfg_core>; 65 clocks = <&clk_s_d0_flexgen CLK_PCM_1>; 66 reg = <0x8D81000 0x158>; 67 interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>; 68 dmas = <&fdma0 3 0 1>; 69 st,dai-name = "Uni Player #1 (I2S)"; 70 dma-names = "tx"; 71 st,uniperiph-id = <1>; 72 st,version = <5>; 73 st,mode = "TDM"; 74 }; 75 76 sti_uni_player2: sti-uni-player@2 { 77 compatible = "st,sti-uni-player"; 78 status = "okay"; 79 #sound-dai-cells = <0>; 80 st,syscfg = <&syscfg_core>; 81 clocks = <&clk_s_d0_flexgen CLK_PCM_2>; 82 reg = <0x8D82000 0x158>; 83 interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>; 84 dmas = <&fdma0 4 0 1>; 85 dai-name = "Uni Player #2 (DAC)"; 86 dma-names = "tx"; 87 uniperiph-id = <2>; 88 version = <5>; 89 mode = "PCM"; 90 }; 91 92 sti_uni_player3: sti-uni-player@3 { 93 compatible = "st,sti-uni-player"; 94 status = "okay"; 95 #sound-dai-cells = <0>; 96 st,syscfg = <&syscfg_core>; 97 clocks = <&clk_s_d0_flexgen CLK_SPDIFF>; 98 reg = <0x8D85000 0x158>; 99 interrupts = <GIC_SPI 89 IRQ_TYPE_NONE>; 100 dmas = <&fdma0 7 0 1>; 101 dma-names = "tx"; 102 dai-name = "Uni Player #3 (SPDIF)"; 103 uniperiph-id = <3>; 104 version = <5>; 105 mode = "SPDIF"; 106 }; 107 108 sti_uni_reader1: sti-uni-reader@1 { 109 compatible = "st,sti-uni-reader"; 110 status = "disabled"; 111 #sound-dai-cells = <0>; 112 st,syscfg = <&syscfg_core>; 113 reg = <0x8D84000 0x158>; 114 interrupts = <GIC_SPI 88 IRQ_TYPE_NONE>; 115 dmas = <&fdma0 6 0 1>; 116 dma-names = "rx"; 117 dai-name = "Uni Reader #1 (HDMI RX)"; 118 version = <3>; 119 st,mode = "PCM"; 120 }; 121 1222) sti-sas-codec: internal audio codec IPs driver 123------------------------------------------------- 124 125Required properties: 126 - compatible: "st,sti<chip>-sas-codec" . 127 Should be chip "st,stih416-sas-codec" or "st,stih407-sas-codec" 128 129 - st,syscfg: phandle to boot-device system configuration registers. 130 131 - pinctrl-0: SPDIF PIO description. 132 133 - pinctrl-names: should contain only one value - "default". 134 135Example: 136 sti_sas_codec: sti-sas-codec { 137 compatible = "st,stih407-sas-codec"; 138 #sound-dai-cells = <1>; 139 st,reg_audio = <&syscfg_core>; 140 pinctrl-names = "default"; 141 pinctrl-0 = <&pinctrl_spdif_out >; 142 }; 143 144Example of audio card declaration: 145 sound { 146 compatible = "simple-audio-card"; 147 simple-audio-card,name = "sti audio card"; 148 status = "okay"; 149 150 simple-audio-card,dai-link@0 { 151 /* DAC */ 152 format = "i2s"; 153 dai-tdm-slot-width = <32>; 154 cpu { 155 sound-dai = <&sti_uni_player2>; 156 }; 157 158 codec { 159 sound-dai = <&sti_sasg_codec 1>; 160 }; 161 }; 162 simple-audio-card,dai-link@1 { 163 /* SPDIF */ 164 format = "left_j"; 165 cpu { 166 sound-dai = <&sti_uni_player3>; 167 }; 168 169 codec { 170 sound-dai = <&sti_sasg_codec 0>; 171 }; 172 }; 173 simple-audio-card,dai-link@2 { 174 /* TDM playback */ 175 format = "left_j"; 176 frame-inversion = <1>; 177 cpu { 178 sound-dai = <&sti_uni_player1>; 179 dai-tdm-slot-num = <16>; 180 dai-tdm-slot-width = <16>; 181 dai-tdm-slot-tx-mask = 182 <1 1 1 1 0 0 0 0 0 0 1 1 0 0 1 1>; 183 }; 184 185 codec { 186 sound-dai = <&sti_sasg_codec 3>; 187 }; 188 }; 189 }; 190