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Adding Pimidi kernel module.
Signed-off-by: Giedrius Trainavičius <[email protected]>
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‎arch/arm/boot/dts/overlays/Makefile‎

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@@ -203,6 +203,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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pifi-dac-zero.dtbo \
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pifi-mini-210.dtbo \
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piglow.dtbo \
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pimidi.dtbo \
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pineboards-hat-ai.dtbo \
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pineboards-hatdrive-poe-plus.dtbo \
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piscreen.dtbo \

‎arch/arm/boot/dts/overlays/pimidi-overlay.dts‎

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/*
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* Pimidi Linux kernel module.
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* Copyright (C) 2017-2024 Vilniaus Blokas UAB, https://blokas.io/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; version 2 of the
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* License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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/dts-v1/;
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/plugin/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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/ {
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compatible = "brcm,bcm2708";
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fragment@0 {
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target = <&i2c_arm>;
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__overlay__ {
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status = "okay";
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clock-frequency=<1000000>;
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pimidi_ctrl: pimidi_ctrl@20 {
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compatible = "blokaslabs,pimidi";
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reg = <0x20>;
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status = "okay";
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interrupt-parent = <&gpio>;
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interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
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interrupt-names = "data_ready";
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interrupt-controller;
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#interrupt-cells = <2>;
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data-ready-gpios = <&gpio 23 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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reset-gpios = <&gpio 22 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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};
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};
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};
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__overrides__ {
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sel = <&pimidi_ctrl>,"reg:0{0=0x20,1=0x21,2=0x22,3=0x23}",
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<&pimidi_ctrl>,"data-ready-gpios:4{0=23,1=5,2=6,3=27}",
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<&pimidi_ctrl>,"interrupts:0{0=23,1=5,2=6,3=27}";
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};
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};

‎arch/arm/configs/bcm2709_defconfig‎

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@@ -1058,6 +1058,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_BOSS2_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PIMIDI=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_DACBERRY400=m
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CONFIG_SND_SOC_AD193X_SPI=m

‎arch/arm/configs/bcm2711_defconfig‎

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@@ -1083,6 +1083,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_BOSS2_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PIMIDI=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_DACBERRY400=m
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CONFIG_SND_SOC_AD193X_SPI=m

‎arch/arm/configs/bcmrpi_defconfig‎

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@@ -1052,6 +1052,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_BOSS2_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PIMIDI=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_SOC_AD193X_SPI=m
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CONFIG_SND_SOC_AD193X_I2C=m

‎arch/arm64/configs/bcm2711_defconfig‎

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@@ -1126,6 +1126,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_BOSS2_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PIMIDI=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_DACBERRY400=m
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CONFIG_SND_DESIGNWARE_I2S=m

‎arch/arm64/configs/bcm2712_defconfig‎

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@@ -1129,6 +1129,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_BOSS2_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PIMIDI=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_DACBERRY400=m
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CONFIG_SND_DESIGNWARE_I2S=m

‎arch/arm64/configs/bcmrpi3_defconfig‎

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@@ -1025,6 +1025,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_BOSS2_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PIMIDI=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_DACBERRY400=m
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CONFIG_SND_SOC_AD193X_SPI=m

‎sound/drivers/Kconfig‎

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@@ -263,4 +263,14 @@ config SND_AC97_POWER_SAVE_DEFAULT
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See SND_AC97_POWER_SAVE for more details.
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config SND_PIMIDI
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tristate "Pimidi driver"
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depends on SND_SEQUENCER && CRC8
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select SND_RAWMIDI
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help
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Say Y here to include support for Blokas Pimidi.
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To compile this driver as a module, choose M here: the module
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will be called snd-pimidi.
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endif # SND_DRIVERS

‎sound/drivers/Makefile‎

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@@ -9,6 +9,7 @@ snd-aloop-objs := aloop.o
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snd-mtpav-objs := mtpav.o
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snd-mts64-objs := mts64.o
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snd-pcmtest-objs := pcmtest.o
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snd-pimidi-objs := pimidi.o
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snd-portman2x4-objs := portman2x4.o
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snd-serial-u16550-objs := serial-u16550.o
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snd-serial-generic-objs := serial-generic.o
@@ -23,6 +24,7 @@ obj-$(CONFIG_SND_SERIAL_U16550) += snd-serial-u16550.o
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obj-$(CONFIG_SND_SERIAL_GENERIC) += snd-serial-generic.o
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obj-$(CONFIG_SND_MTPAV) += snd-mtpav.o
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obj-$(CONFIG_SND_MTS64) += snd-mts64.o
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obj-$(CONFIG_SND_PIMIDI) += snd-pimidi.o
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obj-$(CONFIG_SND_PORTMAN2X4) += snd-portman2x4.o
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obj-$(CONFIG_SND) += opl3/ opl4/ mpu401/ vx/ pcsp/

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