diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.18/0064-Adding-Device-Tree-support-for-some-RPi-audio-cards.patch')
-rwxr-xr-x | target/linux/brcm2708/patches-3.18/0064-Adding-Device-Tree-support-for-some-RPi-audio-cards.patch | 630 |
1 files changed, 630 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0064-Adding-Device-Tree-support-for-some-RPi-audio-cards.patch b/target/linux/brcm2708/patches-3.18/0064-Adding-Device-Tree-support-for-some-RPi-audio-cards.patch new file mode 100755 index 0000000..65fca7c --- /dev/null +++ b/target/linux/brcm2708/patches-3.18/0064-Adding-Device-Tree-support-for-some-RPi-audio-cards.patch @@ -0,0 +1,630 @@ +From 5f17e24bea60b696815d2c6cb578e1e23f61cd57 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 12 Nov 2014 17:07:02 +0000 +Subject: [PATCH 064/114] Adding Device Tree support for some RPi audio cards + +--- + arch/arm/boot/dts/Makefile | 2 + + arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 81 +++++++++++++++++++++++++ + arch/arm/boot/dts/bcm2708-rpi-b.dts | 19 +++++- + arch/arm/boot/dts/bcm2708.dtsi | 18 ++++-- + arch/arm/boot/dts/hifiberry-dac-overlay.dts | 34 +++++++++++ + arch/arm/boot/dts/hifiberry-dacplus-overlay.dts | 39 ++++++++++++ + arch/arm/boot/dts/hifiberry-digi-overlay.dts | 39 ++++++++++++ + arch/arm/boot/dts/iqaudio-dac-overlay.dts | 39 ++++++++++++ + arch/arm/boot/dts/iqaudio-dacplus-overlay.dts | 39 ++++++++++++ + sound/soc/bcm/hifiberry_dac.c | 22 +++++++ + sound/soc/bcm/hifiberry_dacplus.c | 22 +++++++ + sound/soc/bcm/hifiberry_digi.c | 22 +++++++ + sound/soc/bcm/iqaudio-dac.c | 16 +++++ + sound/soc/codecs/pcm5102a.c | 7 +++ + 14 files changed, 393 insertions(+), 6 deletions(-) + create mode 100644 arch/arm/boot/dts/bcm2708-rpi-b-plus.dts + create mode 100644 arch/arm/boot/dts/hifiberry-dac-overlay.dts + create mode 100644 arch/arm/boot/dts/hifiberry-dacplus-overlay.dts + create mode 100644 arch/arm/boot/dts/hifiberry-digi-overlay.dts + create mode 100644 arch/arm/boot/dts/iqaudio-dac-overlay.dts + create mode 100644 arch/arm/boot/dts/iqaudio-dacplus-overlay.dts + +diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile +index c727f71..adaebbb 100644 +--- a/arch/arm/boot/dts/Makefile ++++ b/arch/arm/boot/dts/Makefile +@@ -54,6 +54,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91-sama5d4ek.dtb + dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb + dtb-$(CONFIG_ARCH_AXXIA) += axm5516-amarillo.dtb + dtb-$(CONFIG_BCM2708_DT) += bcm2708-rpi-b.dtb ++dtb-$(CONFIG_BCM2708_DT) += bcm2708-rpi-b-plus.dtb + dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb + dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb + dtb-$(CONFIG_ARCH_BCM_63XX) += bcm963138dvt.dtb +@@ -520,6 +521,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6589-aquaris5.dtb + + targets += dtbs dtbs_install + targets += $(dtb-y) ++ + endif + + # *.dtb used to be generated in the directory above. Clean out the +diff --git a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts +new file mode 100644 +index 0000000..983c23f +--- /dev/null ++++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts +@@ -0,0 +1,81 @@ ++/dts-v1/; ++ ++/include/ "bcm2708.dtsi" ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ model = "Raspberry Pi Model B+"; ++ ++ aliases { ++ spi0 = &spi0; ++ i2c0 = &i2c0; ++ i2c1 = &i2c1; ++ i2s = &i2s; ++ gpio = &gpio; ++ sound = &sound; ++ }; ++ ++ sound: sound { ++ }; ++}; ++ ++&gpio { ++ spi0_pins: spi0_pins { ++ brcm,pins = <7 8 9 10 11>; ++ brcm,function = <4>; /* alt0 */ ++ }; ++ ++ i2c0_pins: i2c0 { ++ brcm,pins = <0 1>; ++ brcm,function = <4>; ++ }; ++ ++ i2c1_pins: i2c1 { ++ brcm,pins = <2 3>; ++ brcm,function = <4>; ++ }; ++ ++ i2s_pins: i2s { ++ brcm,pins = <18 19 20 21>; ++ brcm,function = <4>; /* alt0 */ ++ }; ++}; ++ ++&spi0 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi0_pins>; ++ ++ spidev@0{ ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <500000>; ++ }; ++ ++ spidev@1{ ++ compatible = "spidev"; ++ reg = <1>; /* CE1 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <500000>; ++ }; ++}; ++ ++&i2c0 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2c0_pins>; ++ clock-frequency = <100000>; ++}; ++ ++&i2c1 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2c1_pins>; ++ clock-frequency = <100000>; ++}; ++ ++&i2s { ++ #sound-dai-cells = <0>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2s_pins>; ++}; +diff --git a/arch/arm/boot/dts/bcm2708-rpi-b.dts b/arch/arm/boot/dts/bcm2708-rpi-b.dts +index 5893122..d8c6d15 100644 +--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts ++++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts +@@ -4,12 +4,18 @@ + + / { + compatible = "brcm,bcm2708"; +- model = "Raspberry Pi"; ++ model = "Raspberry Pi Model B"; + + aliases { + spi0 = &spi0; + i2c0 = &i2c0; + i2c1 = &i2c1; ++ i2s = &i2s; ++ gpio = &gpio; ++ sound = &sound; ++ }; ++ ++ sound: sound { + }; + }; + +@@ -28,6 +34,11 @@ + brcm,pins = <2 3>; + brcm,function = <4>; + }; ++ ++ i2s_pins: i2s { ++ brcm,pins = <28 29 30 31>; ++ brcm,function = <4>; /* alt0 */ ++ }; + }; + + &spi0 { +@@ -62,3 +73,9 @@ + pinctrl-0 = <&i2c1_pins>; + clock-frequency = <100000>; + }; ++ ++&i2s { ++ #sound-dai-cells = <0>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&i2s_pins>; ++}; +diff --git a/arch/arm/boot/dts/bcm2708.dtsi b/arch/arm/boot/dts/bcm2708.dtsi +index 2ca6d63..6b36128 100644 +--- a/arch/arm/boot/dts/bcm2708.dtsi ++++ b/arch/arm/boot/dts/bcm2708.dtsi +@@ -7,11 +7,8 @@ + interrupt-parent = <&intc>; + + chosen { +- /* +- bootargs must be 1024 characters long because the +- VC bootloader can't expand it +- */ +- bootargs = "console=ttyAMA0 "; ++ /* No padding required - the boot loader can do that. */ ++ bootargs = ""; + }; + + soc { +@@ -39,6 +36,17 @@ + #interrupt-cells = <2>; + }; + ++ i2s: i2s@7e203000 { ++ compatible = "brcm,bcm2708-i2s"; ++ reg = <0x7e203000 0x20>, ++ <0x7e101098 0x02>; ++ ++ //dmas = <&dma 2>, ++ // <&dma 3>; ++ dma-names = "tx", "rx"; ++ status = "disabled"; ++ }; ++ + spi0: spi@7e204000 { + compatible = "brcm,bcm2708-spi"; + reg = <0x7e204000 0x1000>; +diff --git a/arch/arm/boot/dts/hifiberry-dac-overlay.dts b/arch/arm/boot/dts/hifiberry-dac-overlay.dts +new file mode 100644 +index 0000000..5e7633a +--- /dev/null ++++ b/arch/arm/boot/dts/hifiberry-dac-overlay.dts +@@ -0,0 +1,34 @@ ++// Definitions for HiFiBerry DAC ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target = <&sound>; ++ __overlay__ { ++ compatible = "hifiberry,hifiberry-dac"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target-path = "/"; ++ __overlay__ { ++ pcm5102a-codec { ++ #sound-dai-cells = <0>; ++ compatible = "ti,pcm5102a"; ++ status = "okay"; ++ }; ++ }; ++ }; ++}; +diff --git a/arch/arm/boot/dts/hifiberry-dacplus-overlay.dts b/arch/arm/boot/dts/hifiberry-dacplus-overlay.dts +new file mode 100644 +index 0000000..deb9c62 +--- /dev/null ++++ b/arch/arm/boot/dts/hifiberry-dacplus-overlay.dts +@@ -0,0 +1,39 @@ ++// Definitions for HiFiBerry DAC+ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target = <&sound>; ++ __overlay__ { ++ compatible = "hifiberry,hifiberry-dacplus"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c1>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ pcm5122@4d { ++ #sound-dai-cells = <0>; ++ compatible = "ti,pcm5122"; ++ reg = <0x4d>; ++ status = "okay"; ++ }; ++ }; ++ }; ++}; +diff --git a/arch/arm/boot/dts/hifiberry-digi-overlay.dts b/arch/arm/boot/dts/hifiberry-digi-overlay.dts +new file mode 100644 +index 0000000..d0e0d8a +--- /dev/null ++++ b/arch/arm/boot/dts/hifiberry-digi-overlay.dts +@@ -0,0 +1,39 @@ ++// Definitions for HiFiBerry Digi ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target = <&sound>; ++ __overlay__ { ++ compatible = "hifiberry,hifiberry-digi"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c1>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ wm8804@3b { ++ #sound-dai-cells = <0>; ++ compatible = "wlf,wm8804"; ++ reg = <0x3b>; ++ status = "okay"; ++ }; ++ }; ++ }; ++}; +diff --git a/arch/arm/boot/dts/iqaudio-dac-overlay.dts b/arch/arm/boot/dts/iqaudio-dac-overlay.dts +new file mode 100644 +index 0000000..ea8173e +--- /dev/null ++++ b/arch/arm/boot/dts/iqaudio-dac-overlay.dts +@@ -0,0 +1,39 @@ ++// Definitions for IQaudIO DAC ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target = <&sound>; ++ __overlay__ { ++ compatible = "iqaudio,iqaudio-dac"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c1>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ pcm5122@4c { ++ #sound-dai-cells = <0>; ++ compatible = "ti,pcm5122"; ++ reg = <0x4c>; ++ status = "okay"; ++ }; ++ }; ++ }; ++}; +diff --git a/arch/arm/boot/dts/iqaudio-dacplus-overlay.dts b/arch/arm/boot/dts/iqaudio-dacplus-overlay.dts +new file mode 100644 +index 0000000..735d8ab +--- /dev/null ++++ b/arch/arm/boot/dts/iqaudio-dacplus-overlay.dts +@@ -0,0 +1,39 @@ ++// Definitions for IQaudIO DAC+ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target = <&sound>; ++ __overlay__ { ++ compatible = "iqaudio,iqaudio-dac"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c1>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ pcm5122@4c { ++ #sound-dai-cells = <0>; ++ compatible = "ti,pcm5122"; ++ reg = <0x4c>; ++ status = "okay"; ++ }; ++ }; ++ }; ++}; +diff --git a/sound/soc/bcm/hifiberry_dac.c b/sound/soc/bcm/hifiberry_dac.c +index 4b70b45..3ab0f47 100644 +--- a/sound/soc/bcm/hifiberry_dac.c ++++ b/sound/soc/bcm/hifiberry_dac.c +@@ -72,6 +72,21 @@ static int snd_rpi_hifiberry_dac_probe(struct platform_device *pdev) + int ret = 0; + + snd_rpi_hifiberry_dac.dev = &pdev->dev; ++ ++ if (pdev->dev.of_node) { ++ struct device_node *i2s_node; ++ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_dac_dai[0]; ++ i2s_node = of_parse_phandle(pdev->dev.of_node, ++ "i2s-controller", 0); ++ ++ if (i2s_node) { ++ dai->cpu_dai_name = NULL; ++ dai->cpu_of_node = i2s_node; ++ dai->platform_name = NULL; ++ dai->platform_of_node = i2s_node; ++ } ++ } ++ + ret = snd_soc_register_card(&snd_rpi_hifiberry_dac); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); +@@ -84,10 +99,17 @@ static int snd_rpi_hifiberry_dac_remove(struct platform_device *pdev) + return snd_soc_unregister_card(&snd_rpi_hifiberry_dac); + } + ++static const struct of_device_id snd_rpi_hifiberry_dac_of_match[] = { ++ { .compatible = "hifiberry,hifiberry-dac", }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_dac_of_match); ++ + static struct platform_driver snd_rpi_hifiberry_dac_driver = { + .driver = { + .name = "snd-hifiberry-dac", + .owner = THIS_MODULE, ++ .of_match_table = snd_rpi_hifiberry_dac_of_match, + }, + .probe = snd_rpi_hifiberry_dac_probe, + .remove = snd_rpi_hifiberry_dac_remove, +diff --git a/sound/soc/bcm/hifiberry_dacplus.c b/sound/soc/bcm/hifiberry_dacplus.c +index c63387b..11e4f39 100644 +--- a/sound/soc/bcm/hifiberry_dacplus.c ++++ b/sound/soc/bcm/hifiberry_dacplus.c +@@ -90,6 +90,21 @@ static int snd_rpi_hifiberry_dacplus_probe(struct platform_device *pdev) + int ret = 0; + + snd_rpi_hifiberry_dacplus.dev = &pdev->dev; ++ ++ if (pdev->dev.of_node) { ++ struct device_node *i2s_node; ++ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_dacplus_dai[0]; ++ i2s_node = of_parse_phandle(pdev->dev.of_node, ++ "i2s-controller", 0); ++ ++ if (i2s_node) { ++ dai->cpu_dai_name = NULL; ++ dai->cpu_of_node = i2s_node; ++ dai->platform_name = NULL; ++ dai->platform_of_node = i2s_node; ++ } ++ } ++ + ret = snd_soc_register_card(&snd_rpi_hifiberry_dacplus); + if (ret) + dev_err(&pdev->dev, +@@ -103,10 +118,17 @@ static int snd_rpi_hifiberry_dacplus_remove(struct platform_device *pdev) + return snd_soc_unregister_card(&snd_rpi_hifiberry_dacplus); + } + ++static const struct of_device_id snd_rpi_hifiberry_dacplus_of_match[] = { ++ { .compatible = "hifiberry,hifiberry-dacplus", }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_dacplus_of_match); ++ + static struct platform_driver snd_rpi_hifiberry_dacplus_driver = { + .driver = { + .name = "snd-rpi-hifiberry-dacplus", + .owner = THIS_MODULE, ++ .of_match_table = snd_rpi_hifiberry_dacplus_of_match, + }, + .probe = snd_rpi_hifiberry_dacplus_probe, + .remove = snd_rpi_hifiberry_dacplus_remove, +diff --git a/sound/soc/bcm/hifiberry_digi.c b/sound/soc/bcm/hifiberry_digi.c +index e4f769d..76af8a6 100644 +--- a/sound/soc/bcm/hifiberry_digi.c ++++ b/sound/soc/bcm/hifiberry_digi.c +@@ -125,6 +125,21 @@ static int snd_rpi_hifiberry_digi_probe(struct platform_device *pdev) + int ret = 0; + + snd_rpi_hifiberry_digi.dev = &pdev->dev; ++ ++ if (pdev->dev.of_node) { ++ struct device_node *i2s_node; ++ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_digi_dai[0]; ++ i2s_node = of_parse_phandle(pdev->dev.of_node, ++ "i2s-controller", 0); ++ ++ if (i2s_node) { ++ dai->cpu_dai_name = NULL; ++ dai->cpu_of_node = i2s_node; ++ dai->platform_name = NULL; ++ dai->platform_of_node = i2s_node; ++ } ++ } ++ + ret = snd_soc_register_card(&snd_rpi_hifiberry_digi); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); +@@ -137,10 +152,17 @@ static int snd_rpi_hifiberry_digi_remove(struct platform_device *pdev) + return snd_soc_unregister_card(&snd_rpi_hifiberry_digi); + } + ++static const struct of_device_id snd_rpi_hifiberry_digi_of_match[] = { ++ { .compatible = "hifiberry,hifiberry-digi", }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_digi_of_match); ++ + static struct platform_driver snd_rpi_hifiberry_digi_driver = { + .driver = { + .name = "snd-hifiberry-digi", + .owner = THIS_MODULE, ++ .of_match_table = snd_rpi_hifiberry_digi_of_match, + }, + .probe = snd_rpi_hifiberry_digi_probe, + .remove = snd_rpi_hifiberry_digi_remove, +diff --git a/sound/soc/bcm/iqaudio-dac.c b/sound/soc/bcm/iqaudio-dac.c +index 8d0e2ae..ee8cd6e 100644 +--- a/sound/soc/bcm/iqaudio-dac.c ++++ b/sound/soc/bcm/iqaudio-dac.c +@@ -76,6 +76,21 @@ static int snd_rpi_iqaudio_dac_probe(struct platform_device *pdev) + int ret = 0; + + snd_rpi_iqaudio_dac.dev = &pdev->dev; ++ ++ if (pdev->dev.of_node) { ++ struct device_node *i2s_node; ++ struct snd_soc_dai_link *dai = &snd_rpi_iqaudio_dac_dai[0]; ++ i2s_node = of_parse_phandle(pdev->dev.of_node, ++ "i2s-controller", 0); ++ ++ if (i2s_node) { ++ dai->cpu_dai_name = NULL; ++ dai->cpu_of_node = i2s_node; ++ dai->platform_name = NULL; ++ dai->platform_of_node = i2s_node; ++ } ++ } ++ + ret = snd_soc_register_card(&snd_rpi_iqaudio_dac); + if (ret) + dev_err(&pdev->dev, +@@ -93,6 +108,7 @@ static const struct of_device_id iqaudio_of_match[] = { + { .compatible = "iqaudio,iqaudio-dac", }, + {}, + }; ++MODULE_DEVICE_TABLE(of, iqaudio_of_match); + + static struct platform_driver snd_rpi_iqaudio_dac_driver = { + .driver = { +diff --git a/sound/soc/codecs/pcm5102a.c b/sound/soc/codecs/pcm5102a.c +index 126f1e9..7c6598e 100644 +--- a/sound/soc/codecs/pcm5102a.c ++++ b/sound/soc/codecs/pcm5102a.c +@@ -47,12 +47,19 @@ static int pcm5102a_remove(struct platform_device *pdev) + return 0; + } + ++static const struct of_device_id pcm5102a_of_match[] = { ++ { .compatible = "ti,pcm5102a", }, ++ { } ++}; ++MODULE_DEVICE_TABLE(of, pcm5102a_of_match); ++ + static struct platform_driver pcm5102a_codec_driver = { + .probe = pcm5102a_probe, + .remove = pcm5102a_remove, + .driver = { + .name = "pcm5102a-codec", + .owner = THIS_MODULE, ++ .of_match_table = pcm5102a_of_match, + }, + }; + +-- +1.8.3.2 + |