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| author | Aurelien Jarno <aurelien@aurel32.net> | 2020-04-13 18:54:23 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2020-04-13 21:51:32 +0200 |
| commit | 5f76c571ec23cad3c9f79d634141293eae080643 (patch) | |
| tree | 941af0cc25836dc3063631855ca7776ea21cae31 /tas5825m-module/dts.patch | |
| parent | e7101511824d54e836f4b6ccee630aef118a1ade (diff) | |
| download | rpi-amp-5f76c571ec23cad3c9f79d634141293eae080643.tar.gz | |
Add preliminary kernel module
Diffstat (limited to 'tas5825m-module/dts.patch')
| -rw-r--r-- | tas5825m-module/dts.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tas5825m-module/dts.patch b/tas5825m-module/dts.patch new file mode 100644 index 0000000..6bfddcb --- /dev/null +++ b/tas5825m-module/dts.patch @@ -0,0 +1,69 @@ +--- bcm2837-rpi-3-b-plus.orig.dts ++++ bcm2837-rpi-3-b-plus.rpi-amp.dts +@@ -368,6 +368,12 @@ + brcm,pins = < 0x04 0x05 0x07 0x08 0x09 0x0a 0x0b >; + brcm,function = < 0x04 >; + }; ++ ++ i2s_alt0: i2s_alt0 { ++ brcm,pins = <18 19 20 21>; ++ brcm,function = < 0x04 >; ++ }; ++ + }; + + serial@7e201000 { +@@ -401,13 +407,16 @@ + bus-width = < 0x04 >; + }; + +- i2s@7e203000 { ++ i2s0: i2s@7e203000 { ++ #sound-dai-cells= <0>; + compatible = "brcm,bcm2835-i2s"; + reg = < 0x7e203000 0x24 >; + clocks = < 0x04 0x1f >; + dmas = < 0x0c 0x02 0x0c 0x03 >; + dma-names = "tx\0rx"; +- status = "disabled"; ++ status = "okay"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2s_alt0>; + }; + + spi@7e204000 { +@@ -582,6 +591,13 @@ + pinctrl-names = "default"; + pinctrl-0 = < 0x16 >; + clock-frequency = < 0x186a0 >; ++ ++ tas5825m: tas5825m@4c { ++ compatible = "ti,tas5825m"; ++ reg = < 0x4c >; ++ pdn-gpios = < 0x18 0x1b 0x01 >; ++ #sound-dai-cells = < 0x00 >; ++ }; + }; + + i2c@7e805000 { +@@ -823,4 +839,20 @@ + reset-gpios = < 0x0b 0x01 0x01 >; + phandle = < 0x15 >; + }; ++ ++ sound { ++ compatible = "simple-audio-card"; ++ simple-audio-card,name = "tas5825m"; ++ simple-audio-card,format = "i2s"; ++ simple-audio-card,bitclock-master = <&dailink0_master>; ++ simple-audio-card,frame-master = <&dailink0_master>; ++ ++ dailink0_master: simple-audio-card,cpu { ++ sound-dai = <&i2s0>; ++ }; ++ ++ simple-audio-card,codec { ++ sound-dai = <&tas5825m>; ++ }; ++ }; + }; |