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Searched +full:quartz +full:- +full:load +full:- +full:femtofarads (Results 1 – 19 of 19) sorted by relevance

/linux-6.12.1/Documentation/devicetree/bindings/rtc/
Dnxp,pcf85063.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexander Stein <alexander.stein@ew.tq-group.com>
15 - microcrystal,rv8263
16 - nxp,pcf85063
17 - nxp,pcf85063a
18 - nxp,pcf85063tp
19 - nxp,pca85073a
24 "#clock-cells":
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Dnxp,pcf85363.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandre Belloni <alexandre.belloni@bootlin.com>
13 - $ref: rtc.yaml#
18 - nxp,pcf85263
19 - nxp,pcf85363
24 "#clock-cells":
27 clock-output-names:
33 quartz-load-femtofarads:
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Dnxp,pcf8523.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sam Ravnborg <sam@ravnborg.org>
13 - $ref: rtc.yaml#
22 quartz-load-femtofarads:
24 The capacitive load of the crystal, expressed in femto Farad (fF).
29 - compatible
30 - reg
35 - |
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Drtc.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandre Belloni <alexandre.belloni@bootlin.com>
18 pattern: "^rtc(@.*|-([0-9]|[1-9][0-9]+))?$"
20 aux-voltage-chargeable:
29 quartz-load-femtofarads:
31 The capacitive load of the quartz(x-tal), expressed in femto
35 start-year:
41 trickle-diode-disable:
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/linux-6.12.1/arch/arm64/boot/dts/freescale/
Dfsl-lx2160a-tqmlx2160a.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
3 * Copyright (c) 2020-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
4 * D-82229 Seefeld, Germany.
8 #include "fsl-lx2160a.dtsi"
11 reg_vcc3v3: regulator-vcc3v3 {
12 compatible = "regulator-fixed";
13 regulator-name = "VCC3V3";
14 regulator-min-microvolt = <3300000>;
15 regulator-max-microvolt = <3300000>;
16 regulator-always-on;
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Dtqma8xx.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR X11)
3 * Copyright 2018-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
4 * D-82229 Seefeld, Germany.
14 reg_1v8: regulator-1v8 {
15 compatible = "regulator-fixed";
16 regulator-name = "V_1V8";
17 regulator-min-microvolt = <1800000>;
18 regulator-max-microvolt = <1800000>;
21 reg_3v3: regulator-3v3 {
22 compatible = "regulator-fixed";
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Dimx93-tqma9352.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright (c) 2022 TQ-Systems GmbH <linux@ew.tq-group.com>,
4 * D-82229 Seefeld, Germany.
11 model = "TQ-Systems i.MX93 TQMa93xxLA/TQMa93xxCA SOM";
12 compatible = "tq,imx93-tqma9352", "fsl,imx93";
14 reserved-memory {
15 #address-cells = <2>;
16 #size-cells = <2>;
20 compatible = "shared-dma-pool";
22 alloc-ranges = <0 0x80000000 0 0x40000000>;
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Dimx8mn-tqma8mqnl.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright 2020-2021 TQ-Systems GmbH
9 model = "TQ-Systems i.MX8MN TQMa8MxNL";
10 compatible = "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
18 /* e-MMC IO, needed for HS modes */
19 reg_vcc1v8: regulator-vcc1v8 {
20 compatible = "regulator-fixed";
21 regulator-name = "TQMA8MXNL_VCC1V8";
22 regulator-min-microvolt = <1800000>;
23 regulator-max-microvolt = <1800000>;
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Dimx8mm-tqma8mqml.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright 2020-2021 TQ-Systems GmbH
6 #include <dt-bindings/phy/phy-imx8-pcie.h>
10 model = "TQ-Systems GmbH i.MX8MM TQMa8MxML";
11 compatible = "tq,imx8mm-tqma8mqml", "fsl,imx8mm";
19 /* e-MMC IO, needed for HS modes */
20 reg_vcc1v8: regulator-vcc1v8 {
21 compatible = "regulator-fixed";
22 regulator-name = "TQMA8MXML_VCC1V8";
23 regulator-min-microvolt = <1800000>;
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Dimx8mq-tqma8mq.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright 2019-2021 TQ-Systems GmbH
9 model = "TQ-Systems GmbH i.MX8MQ TQMa8MQ";
10 compatible = "tq,imx8mq-tqma8mq", "fsl,imx8mq";
18 /* e-MMC IO, needed for HS modes */
19 reg_vcc1v8: regulator-vcc1v8 {
20 compatible = "regulator-fixed";
21 regulator-name = "TQMA8MX_VCC1V8";
22 regulator-min-microvolt = <1800000>;
23 regulator-max-microvolt = <1800000>;
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Dimx8mp-skov-reva.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 #include <dt-bindings/leds/common.h>
26 compatible = "pwm-backlight";
27 pinctrl-0 = <&pinctrl_backlight>;
29 power-supply = <&reg_24v>;
30 enable-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>;
31 brightness-levels = <0 255>;
32 num-interpolated-steps = <17>;
33 default-brightness-level = <8>;
38 compatible = "gpio-leds";
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/linux-6.12.1/arch/arm/boot/dts/nxp/ls/
Dls1021a-tqmls1021a.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR X11)
3 * Copyright 2013-2014 Freescale Semiconductor, Inc.
4 * Copyright 2018-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
5 * D-82229 Seefeld, Germany.
13 compatible = "tq,ls1021a-tqmls1021a", "fsl,ls1021a";
15 reg_3p3v_som: regulator-3p3v-som {
16 compatible = "regulator-fixed";
17 regulator-name = "3P3V_SOM";
18 regulator-min-microvolt = <3300000>;
19 regulator-max-microvolt = <3300000>;
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/linux-6.12.1/arch/arm/boot/dts/broadcom/
Dbcm2711-rpi-cm4-io.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include <dt-bindings/leds/common.h>
4 #include "bcm2711-rpi-cm4.dtsi"
5 #include "bcm283x-rpi-led-deprecated.dtsi"
6 #include "bcm283x-rpi-usb-host.dtsi"
29 gpio-line-names = "ID_SDA",
110 quartz-load-femtofarads = <7000>;
116 #address-cells = <1>;
117 #size-cells = <0>;
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/linux-6.12.1/drivers/rtc/
Drtc-pcf85363.c1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/rtc/rtc-pcf85363.c
5 * Driver for NXP PCF85363 real-time clock.
125 u32 load = 7000; in pcf85363_load_capacitance() local
128 of_property_read_u32(node, "quartz-load-femtofarads", &load); in pcf85363_load_capacitance()
130 switch (load) { in pcf85363_load_capacitance()
132 dev_warn(&pcf85363->rtc->dev, "Unknown quartz-load-femtofarads value: %d. Assuming 7000", in pcf85363_load_capacitance()
133 load); in pcf85363_load_capacitance()
145 return regmap_update_bits(pcf85363->regmap, CTRL_OSCILLATOR, in pcf85363_load_capacitance()
156 ret = regmap_bulk_read(pcf85363->regmap, DT_100THS, buf, len); in pcf85363_rtc_read_time()
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Drtc-pcf8523.c1 // SPDX-License-Identifier: GPL-2.0-only
26 #define PCF8523_CONTROL3_BLF BIT(2) /* battery low bit, read-only */
57 u32 load, value = 0; in pcf8523_load_capacitance() local
59 load = 12500; in pcf8523_load_capacitance()
60 of_property_read_u32(node, "quartz-load-femtofarads", &load); in pcf8523_load_capacitance()
62 switch (load) { in pcf8523_load_capacitance()
64 dev_warn(&pcf8523->rtc->dev, "Unknown quartz-load-femtofarads value: %d. Assuming 12500", in pcf8523_load_capacitance()
65 load); in pcf8523_load_capacitance()
74 return regmap_update_bits(pcf8523->regmap, PCF8523_REG_CONTROL1, in pcf8523_load_capacitance()
84 err = regmap_read(pcf8523->regmap, PCF8523_REG_CONTROL2, &value); in pcf8523_irq()
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Drtc-pcf85063.c1 // SPDX-License-Identifier: GPL-2.0
7 * Maintainers: http://www.nslu2-linux.org/
12 #include <linux/clk-provider.h>
24 * https://www.nxp.com/docs/en/data-sheet/PCF85063A.pdf
25 * https://www.nxp.com/docs/en/data-sheet/PCF85063TP.pdf
27 * PCF85063A -- Rev. 7 — 30 March 2018
28 * PCF85063TP -- Rev. 4 — 6 May 2015
30 * https://www.microcrystal.com/fileadmin/Media/Products/RTC/App.Manual/RV-8263-C7_App-Manual.pdf
31 * RV8263 -- Rev. 1.0 — January 2019
87 rc = regmap_bulk_read(pcf85063->regmap, PCF85063_REG_SC, regs, in pcf85063_rtc_read_time()
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/linux-6.12.1/arch/arm64/boot/dts/ti/
Dk3-am642-tqma64xxl.dtsi1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
3 * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
4 * Copyright (c) 2022-2024 TQ-Systems GmbH <linux@ew.tq-group.com>, D-82229 Seefeld, Germany.
7 #include "k3-am642.dtsi"
18 /* 1G RAM - default variant */
23 reserved-memory {
24 #address-cells = <2>;
25 #size-cells = <2>;
31 no-map;
34 main_r5fss0_core0_dma_memory_region: r5f-dma-memory@a0000000 {
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/linux-6.12.1/arch/arm/boot/dts/nxp/imx/
Dimx6qdl-skov-cpu.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/leds/common.h>
10 stdout-path = &uart2;
19 mdio-gpio0 = &mdio;
28 iio-hwmon {
29 compatible = "iio-hwmon";
30 io-channels = <&adc 0>, /* 24V */
35 compatible = "gpio-leds";
37 led-0 {
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/linux-6.12.1/arch/arm64/boot/dts/rockchip/
Drk3568-wolfvision-pf5.dts1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
8 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/pinctrl/rockchip.h>
11 #include <dt-bindings/regulator/ti,tps62864.h>
12 #include <dt-bindings/soc/rockchip,vop2.h>
17 compatible = "wolfvision,rk3568-pf5", "rockchip,rk3568";
27 stdout-path = "serial2:115200n8";
30 hdmi_tx: hdmi-tx-connector {
31 compatible = "hdmi-connector";
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