diff options
92 files changed, 2128 insertions, 382 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 345d58535dc9..89943c2d54e8 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -541,6 +541,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_proximity_calibbias What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias What: /sys/bus/iio/devices/iio:deviceX/in_resistance_calibbias What: /sys/bus/iio/devices/iio:deviceX/in_temp_calibbias +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibbias What: /sys/bus/iio/devices/iio:deviceX/out_currentY_calibbias What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_calibbias KernelVersion: 2.6.35 @@ -556,6 +557,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_accel_calibbias_available What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_calibbias_available What: /sys/bus/iio/devices/iio:deviceX/in_temp_calibbias_available What: /sys/bus/iio/devices/iio:deviceX/in_proximity_calibbias_available +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibbias_available What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_calibbias_available KernelVersion: 5.8 Contact: linux-iio@vger.kernel.org @@ -603,6 +605,7 @@ Description: What: /sys/bus/iio/devices/iio:deviceX/in_illuminanceY_calibscale_available What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_calibscale_available What: /sys/bus/iio/devices/iio:deviceX/in_proximityY_calibscale_available +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale_available KernelVersion: 4.8 Contact: linux-iio@vger.kernel.org Description: diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv1800b-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv1800b-saradc.yaml new file mode 100644 index 000000000000..f652b98615f7 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv1800b-saradc.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/sophgo,cv1800b-saradc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: + Sophgo CV1800B SoC 3 channels Successive Approximation Analog to + Digital Converters + +maintainers: + - Thomas Bonnefille <thomas.bonnefille@bootlin.com> + +description: + Datasheet at https://github.com/sophgo/sophgo-doc/releases + +properties: + compatible: + const: sophgo,cv1800b-saradc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^channel@[0-2]$": + $ref: adc.yaml + + properties: + reg: + items: + - minimum: 0 + maximum: 2 + + required: + - reg + + additionalProperties: false + +required: + - compatible + - reg + - clocks + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/sophgo,cv1800.h> + #include <dt-bindings/interrupt-controller/irq.h> + adc@30f0000 { + compatible = "sophgo,cv1800b-saradc"; + reg = <0x030f0000 0x1000>; + clocks = <&clk CLK_SARADC>; + interrupts = <100 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + }; + + channel@1 { + reg = <1>; + }; + + channel@2 { + reg = <2>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/x-powers,axp209-adc.yaml b/Documentation/devicetree/bindings/iio/adc/x-powers,axp209-adc.yaml index d40689f233f2..1caa896fce82 100644 --- a/Documentation/devicetree/bindings/iio/adc/x-powers,axp209-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/x-powers,axp209-adc.yaml @@ -37,6 +37,17 @@ description: | 3 | batt_dischrg_i 4 | ts_v + AXP717 + ------ + 0 | batt_v + 1 | ts_v + 2 | vbus_v + 3 | vsys_v + 4 | pmic_temp + 5 | batt_chrg_i + 6 | vmid_v + 7 | bkup_batt_v + AXP813 ------ 0 | pmic_temp @@ -52,6 +63,7 @@ properties: oneOf: - const: x-powers,axp209-adc - const: x-powers,axp221-adc + - const: x-powers,axp717-adc - const: x-powers,axp813-adc - items: diff --git a/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml index fe5145d3b73c..e8ca9a234027 100644 --- a/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml +++ b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml @@ -18,6 +18,10 @@ properties: - asahi-kasei,ak09911 - asahi-kasei,ak09912 - asahi-kasei,ak09916 + - items: + # ak09918 is register compatible with ak09912. + - const: asahi-kasei,ak09918 + - const: asahi-kasei,ak09912 - enum: - ak8975 - ak8963 diff --git a/Documentation/devicetree/bindings/iio/proximity/awinic,aw96103.yaml b/Documentation/devicetree/bindings/iio/proximity/awinic,aw96103.yaml new file mode 100644 index 000000000000..7a83ceced11c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/awinic,aw96103.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/proximity/awinic,aw96103.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Awinic's AW96103 capacitive proximity sensor and similar + +maintainers: + - Wang Shuaijie <wangshuaijie@awinic.com> + +description: | + Awinic's AW96103/AW96105 proximity sensor. + The specific absorption rate (SAR) is a metric that measures + the degree of absorption of electromagnetic radiation emitted by + wireless devices, such as mobile phones and tablets, by human tissue. + In mobile phone applications, the proximity sensor is primarily + used to detect the proximity of the human body to the phone. When the + phone approaches the human body, it will actively reduce the transmit + power of the antenna to keep the SAR within a safe range. Therefore, + we also refer to the proximity sensor as a SAR sensor. + +properties: + compatible: + enum: + - awinic,aw96103 + - awinic,aw96105 + + reg: + maxItems: 1 + + interrupts: + description: + Generated by the device to announce that a close/far + proximity event has happened. + maxItems: 1 + + vcc-supply: true + +required: + - compatible + - reg + - interrupts + - vcc-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + proximity@12 { + compatible = "awinic,aw96103"; + reg = <0x12>; + interrupt-parent = <&gpio>; + interrupts = <23 IRQ_TYPE_EDGE_FALLING>; + vcc-supply = <&pp1800_prox>; + }; + }; diff --git a/Documentation/iio/ad4695.rst b/Documentation/iio/ad4695.rst index 7612596bb6e9..33ed29b7c98a 100644 --- a/Documentation/iio/ad4695.rst +++ b/Documentation/iio/ad4695.rst @@ -143,13 +143,18 @@ present, then the external reference voltage is used and the internal buffer is disabled. If ``refin-supply`` is present, then the internal buffered reference voltage is used. +Gain/offset calibration +----------------------- + +System calibration is supported using the channel gain and offset registers via +the ``calibscale`` and ``calibbias`` attributes respectively. + Unimplemented features ---------------------- - Additional wiring modes - Threshold events - Oversampling -- Gain/offset calibration - GPIO support - CRC support diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index 03121d020470..0f32c1e92b4d 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -10,9 +10,9 @@ #include <linux/delay.h> #include <linux/slab.h> #include <linux/acpi.h> -#include <linux/of_irq.h> #include <linux/pm.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> @@ -387,7 +387,7 @@ static bool bmc150_apply_bosc0200_acpi_orientation(struct device *dev, struct iio_mount_matrix *orientation) { struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct acpi_device *adev = ACPI_COMPANION(dev); + acpi_handle handle = ACPI_HANDLE(dev); char *name, *alt_name, *label; if (strcmp(dev_name(dev), "i2c-BOSC0200:base") == 0) { @@ -398,9 +398,9 @@ static bool bmc150_apply_bosc0200_acpi_orientation(struct device *dev, label = "accel-display"; } - if (acpi_has_method(adev->handle, "ROTM")) { + if (acpi_has_method(handle, "ROTM")) { name = "ROTM"; - } else if (acpi_has_method(adev->handle, alt_name)) { + } else if (acpi_has_method(handle, alt_name)) { name = alt_name; indio_dev->label = label; } else { @@ -514,7 +514,7 @@ static void bmc150_accel_interrupts_setup(struct iio_dev *indio_dev, */ irq_info = bmc150_accel_interrupts_int1; if (data->type == BOSCH_BMC156 || - irq == of_irq_get_byname(dev->of_node, "INT2")) + irq == fwnode_irq_get_byname(dev_fwnode(dev), "INT2")) irq_info = bmc150_accel_interrupts_int2; for (i = 0; i < BMC150_ACCEL_INTERRUPTS; i++) diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 88e8ce2e78b3..97ece1a4b7e3 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -1192,6 +1192,16 @@ config SC27XX_ADC This driver can also be built as a module. If so, the module will be called sc27xx_adc. +config SOPHGO_CV1800B_ADC + tristate "Sophgo CV1800B SARADC" + depends on ARCH_SOPHGO || COMPILE_TEST + help + Say yes here to build support for the SARADC integrated inside + the Sophgo CV1800B SoC. + + This driver can also be built as a module. If so, the module + will be called sophgo_cv1800b_adc. + config SPEAR_ADC tristate "ST SPEAr ADC" depends on PLAT_SPEAR || COMPILE_TEST diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile index 8b80664c6d6b..7b91cd98c0e0 100644 --- a/drivers/iio/adc/Makefile +++ b/drivers/iio/adc/Makefile @@ -108,6 +108,7 @@ obj-$(CONFIG_ROCKCHIP_SARADC) += rockchip_saradc.o obj-$(CONFIG_RZG2L_ADC) += rzg2l_adc.o obj-$(CONFIG_SC27XX_ADC) += sc27xx_adc.o obj-$(CONFIG_SD_ADC_MODULATOR) += sd_adc_modulator.o +obj-$(CONFIG_SOPHGO_CV1800B_ADC) += sophgo-cv1800b-adc.o obj-$(CONFIG_SPEAR_ADC) += spear_adc.o obj-$(CONFIG_STM32_ADC_CORE) += stm32-adc-core.o obj-$(CONFIG_STM32_ADC) += stm32-adc.o diff --git a/drivers/iio/adc/ad4695.c b/drivers/iio/adc/ad4695.c index b8547914f00f..595ec4158e73 100644 --- a/drivers/iio/adc/ad4695.c +++ b/drivers/iio/adc/ad4695.c @@ -23,6 +23,7 @@ #include <linux/iio/iio.h> #include <linux/iio/triggered_buffer.h> #include <linux/iio/trigger_consumer.h> +#include <linux/minmax.h> #include <linux/property.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> @@ -34,6 +35,7 @@ /* AD4695 registers */ #define AD4695_REG_SPI_CONFIG_A 0x0000 #define AD4695_REG_SPI_CONFIG_A_SW_RST (BIT(7) | BIT(0)) +#define AD4695_REG_SPI_CONFIG_A_ADDR_DIR BIT(5) #define AD4695_REG_SPI_CONFIG_B 0x0001 #define AD4695_REG_SPI_CONFIG_B_INST_MODE BIT(7) #define AD4695_REG_DEVICE_TYPE 0x0003 @@ -77,7 +79,6 @@ #define AD4695_REG_GAIN_IN(n) (0x00C0 | (2 * (n))) #define AD4695_REG_AS_SLOT(n) (0x0100 | (n)) #define AD4695_REG_AS_SLOT_INX GENMASK(3, 0) |