diff options
Diffstat (limited to 'target/linux')
4 files changed, 141 insertions, 0 deletions
diff --git a/target/linux/layerscape/armv8_64b/config-5.4 b/target/linux/layerscape/armv8_64b/config-5.4 index 6da7ff01a5..8c398f4a2b 100644 --- a/target/linux/layerscape/armv8_64b/config-5.4 +++ b/target/linux/layerscape/armv8_64b/config-5.4 @@ -419,9 +419,12 @@ CONFIG_GENERIC_TIME_VSYSCALL=y # CONFIG_GIANFAR is not set CONFIG_GLOB=y CONFIG_GPIOLIB=y +CONFIG_GPIOLIB_IRQCHIP=y CONFIG_GPIO_GENERIC=y CONFIG_GPIO_GENERIC_PLATFORM=y CONFIG_GPIO_MPC8XXX=y +CONFIG_GPIO_PCA953X=y +CONFIG_GPIO_PCA953X_IRQ=y CONFIG_HANDLE_DOMAIN_IRQ=y CONFIG_HARDEN_BRANCH_PREDICTOR=y CONFIG_HARDIRQS_SW_RESEND=y diff --git a/target/linux/layerscape/image/armv8_64b.mk b/target/linux/layerscape/image/armv8_64b.mk index bedf272f79..264f7dfd84 100644 --- a/target/linux/layerscape/image/armv8_64b.mk +++ b/target/linux/layerscape/image/armv8_64b.mk @@ -63,6 +63,9 @@ define Device/fsl_ls1012a-rdb DEVICE_PACKAGES += \ layerscape-ppfe \ tfa-ls1012a-rdb \ + kmod-hwmon-ina2xx \ + kmod-iio-fxas21002c-i2c \ + kmod-iio-fxos8700-i2c \ kmod-ppfe IMAGE/firmware.bin := \ ls-clean | \ diff --git a/target/linux/layerscape/patches-5.4/900-layerscape_fix_support_of_LS1012A-RDB.patch b/target/linux/layerscape/patches-5.4/900-layerscape_fix_support_of_LS1012A-RDB.patch new file mode 100644 index 0000000000..bcad654e5c --- /dev/null +++ b/target/linux/layerscape/patches-5.4/900-layerscape_fix_support_of_LS1012A-RDB.patch @@ -0,0 +1,107 @@ +From 650480191492845c8eb7e0c2e5b1e37cabc59eff Mon Sep 17 00:00:00 2001 +From: Pawel Dembicki <paweldembicki@gmail.com> +Date: Fri, 13 Nov 2020 07:17:39 +0100 +Subject: [PATCH 1/2] arm64: dts: fsl-ls1012a-rdb: add i2c devices + +LS1012A-RDB equipped in some i2c devices: + - 3x GPIO Expander: PCAL9555A (NXP) + - Gyro: FXAS21002 (NXP) + - Accelerometer: FXOS8700 (NXP) + - Current & Power Monitor: INA220 (TI) + +This patch add listed devices to dts. + +Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com> +--- + .../boot/dts/freescale/fsl-ls1012a-rdb.dts | 66 +++++++++++++++++++ + 1 file changed, 66 insertions(+) + +--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts ++++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts +@@ -7,6 +7,7 @@ + */ + /dts-v1/; + ++#include <dt-bindings/interrupt-controller/irq.h> + #include "fsl-ls1012a.dtsi" + + / { +@@ -16,6 +17,25 @@ + aliases { + ethernet0 = &pfe_mac0; + ethernet1 = &pfe_mac1; ++ serial0 = &duart0; ++ }; ++ ++ dummy3v3: dummy_reg { ++ compatible = "regulator-fixed"; ++ regulator-name = "dummy_regulator_3v3"; ++ ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; ++ regulator-always-on; ++ }; ++ ++ dummy1v8: dummy_reg { ++ compatible = "regulator-fixed"; ++ regulator-name = "dummy_regulator_1v8"; ++ ++ regulator-min-microvolt = <1800000>; ++ regulator-max-microvolt = <1800000>; ++ regulator-always-on; + }; + }; + +@@ -42,6 +62,52 @@ + + &i2c0 { + status = "okay"; ++ ++ accelerometer@1e { ++ compatible = "nxp,fxos8700"; ++ reg = <0x1e>; ++ interrupt-parent = <&gpio26>; ++ interrupts = <13 IRQ_TYPE_EDGE_RISING>; ++ interrupt-names = "INT1"; ++ }; ++ ++ gyroscope@20 { ++ compatible = "nxp,fxas21002c"; ++ reg = <0x20>; ++ vdd-supply = <&dummy3v3>; ++ vddio-supply = <&dummy1v8>; ++ }; ++ ++ gpio@24 { ++ compatible = "nxp,pcal9555a"; ++ reg = <0x24>; ++ gpio-controller; ++ #gpio-cells = <2>; ++ }; ++ ++ gpio25: gpio@25 { ++ compatible = "nxp,pcal9555a"; ++ reg = <0x25>; ++ gpio-controller; ++ #gpio-cells = <2>; ++ }; ++ ++ gpio26: gpio@26 { ++ compatible = "nxp,pcal9555a"; ++ reg = <0x26>; ++ interrupt-parent = <&gpio0>; ++ interrupts = <13 IRQ_TYPE_EDGE_FALLING>; ++ interrupt-controller; ++ #interrupt-cells = <2>; ++ gpio-controller; ++ #gpio-cells = <2>; ++ }; ++ ++ current-sensor@40 { ++ compatible = "ti,ina220"; ++ reg = <0x40>; ++ shunt-resistor = <2000>; ++ }; + }; + + &sata { diff --git a/target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch b/target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch new file mode 100644 index 0000000000..a00a240135 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/901-fix_irq_type_of_pca953x.patch @@ -0,0 +1,28 @@ +From 12de4b5e7cbcd193d5abb753ca511fe8f2236846 Mon Sep 17 00:00:00 2001 +From: Pawel Dembicki <paweldembicki@gmail.com> +Date: Fri, 13 Nov 2020 07:30:03 +0100 +Subject: [PATCH 1/1] gpio-pca953x: hack: Allow to use falling trigger + +Gpio-mpc8xxx driver of Layerscape gpio support only edge interrupts. +Gpio-pca953x allow only low state trigger. This hack fix the problem. + +Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com> +--- + +--- a/drivers/gpio/gpio-pca953x.c ++++ b/drivers/gpio/gpio-pca953x.c +@@ -879,10 +879,12 @@ static int pca953x_irq_setup(struct pca9 + for (i = 0; i < NBANK(chip); i++) + chip->irq_stat[i] &= reg_direction[i]; + mutex_init(&chip->irq_lock); +- ++ /* gpio-mpc8xxx driver of Layerscape gpio support only edge interrupts. ++ * This hack fix the problem. ++ */ + ret = devm_request_threaded_irq(&client->dev, client->irq, + NULL, pca953x_irq_handler, +- IRQF_TRIGGER_LOW | IRQF_ONESHOT | ++ IRQF_TRIGGER_FALLING | IRQF_ONESHOT | + IRQF_SHARED, + dev_name(&client->dev), chip); + if (ret) { |