diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-1045-Adds-the-DT-overlays-to-support-Hifiberry-AMP100.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-1045-Adds-the-DT-overlays-to-support-Hifiberry-AMP100.patch | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-1045-Adds-the-DT-overlays-to-support-Hifiberry-AMP100.patch b/target/linux/bcm27xx/patches-5.4/950-1045-Adds-the-DT-overlays-to-support-Hifiberry-AMP100.patch deleted file mode 100644 index 24ff1b3a34..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-1045-Adds-the-DT-overlays-to-support-Hifiberry-AMP100.patch +++ /dev/null @@ -1,132 +0,0 @@ -From d689ccf52fb81664b7eccb91dc05a93d64ba793c Mon Sep 17 00:00:00 2001 -From: Joerg Schambacher <joerg@i2audio.com> -Date: Fri, 29 Jan 2021 08:26:44 +0100 -Subject: [PATCH] Adds the DT-overlays to support Hifiberry AMP100 - -Adds new DT-overlay to control AMP100. - -Signed-off-by: Joerg Schambacher <joerg@hifiberry.com> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 30 ++++++++- - .../dts/overlays/hifiberry-amp100-overlay.dts | 64 +++++++++++++++++++ - 3 files changed, 94 insertions(+), 1 deletion(-) - create mode 100644 arch/arm/boot/dts/overlays/hifiberry-amp100-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -60,6 +60,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - hd44780-lcd.dtbo \ - hdmi-backlight-hwhack-gpio.dtbo \ - hifiberry-amp.dtbo \ -+ hifiberry-amp100.dtbo \ - hifiberry-dac.dtbo \ - hifiberry-dacplus.dtbo \ - hifiberry-dacplusadc.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -1045,8 +1045,36 @@ Load: dtoverlay=hifiberry-amp - Params: <None> - - -+Name: hifiberry-amp100 -+Info: Configures the HifiBerry AMP100 audio card -+Load: dtoverlay=hifiberry-amp100,<param>=<val> -+Params: 24db_digital_gain Allow gain to be applied via the PCM512x codec -+ Digital volume control. Enable with -+ "dtoverlay=hifiberry-amp100,24db_digital_gain" -+ (The default behaviour is that the Digital -+ volume control is limited to a maximum of -+ 0dB. ie. it can attenuate but not provide -+ gain. For most users, this will be desired -+ as it will prevent clipping. By appending -+ the 24dB_digital_gain parameter, the Digital -+ volume control will allow up to 24dB of -+ gain. If this parameter is enabled, it is the -+ responsibility of the user to ensure that -+ the Digital volume control is set to a value -+ that does not result in clipping/distortion!) -+ slave Force DAC+ Pro into slave mode, using Pi as -+ master for bit clock and frame clock. -+ leds_off If set to 'true' the onboard indicator LEDs -+ are switched off at all times. -+ auto_mute If set to 'true' the amplifier is automatically -+ muted when the DAC is not playing. -+ mute_ext_ctl The amplifier's HW mute control is enabled -+ in ALSA mixer and set to <val>. -+ Will be overwritten by ALSA user settings. -+ -+ - Name: hifiberry-dac --Info: Configures the HifiBerry DAC audio card -+Info: Configures the HifiBerry DAC audio cards - Load: dtoverlay=hifiberry-dac - Params: <None> - ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/hifiberry-amp100-overlay.dts -@@ -0,0 +1,64 @@ -+// Definitions for HiFiBerry AMP100 -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835"; -+ -+ fragment@0 { -+ target-path = "/"; -+ __overlay__ { -+ dacpro_osc: dacpro_osc { -+ compatible = "hifiberry,dacpro-clk"; -+ #clock-cells = <0>; -+ }; -+ }; -+ }; -+ -+ 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>; -+ clocks = <&dacpro_osc>; -+ AVDD-supply = <&vdd_3v3_reg>; -+ DVDD-supply = <&vdd_3v3_reg>; -+ CPVDD-supply = <&vdd_3v3_reg>; -+ status = "okay"; -+ }; -+ }; -+ }; -+ -+ fragment@3 { -+ target = <&sound>; -+ hifiberry_dacplus: __overlay__ { -+ compatible = "hifiberry,hifiberry-dacplus"; -+ i2s-controller = <&i2s>; -+ status = "okay"; -+ mute-gpio = <&gpio 4 0>; -+ reset-gpio = <&gpio 17 0x11>; -+ }; -+ }; -+ -+ __overrides__ { -+ 24db_digital_gain = -+ <&hifiberry_dacplus>,"hifiberry,24db_digital_gain?"; -+ slave = <&hifiberry_dacplus>,"hifiberry-dacplus,slave?"; -+ leds_off = <&hifiberry_dacplus>,"hifiberry-dacplus,leds_off?"; -+ mute_ext_ctl = <&hifiberry_dacplus>,"hifiberry-dacplus,mute_ext_ctl:0"; -+ auto_mute = <&hifiberry_dacplus>,"hifiberry-dacplus,auto_mute?"; -+ }; -+}; |