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Searched +full:quartz +full:- +full:load +full:- +full:femtofarads (Results 1 – 14 of 14) sorted by relevance

/openbmc/linux/Documentation/devicetree/bindings/rtc/
H A 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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H A Dnxp,pcf8523.txt4 - compatible: Should contain "nxp,pcf8523".
5 - reg: I2C address for chip.
8 - quartz-load-femtofarads: The capacitive load of the quartz(x-tal),
17 quartz-load-femtofarads = <7000>;
H A 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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H A 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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/openbmc/linux/arch/arm/boot/dts/nxp/ls/
H A 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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/openbmc/linux/drivers/rtc/
H A 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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H A 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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H A 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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/openbmc/linux/arch/arm64/boot/dts/freescale/
H A 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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H A 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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H A 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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H A 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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/openbmc/linux/arch/arm64/boot/dts/ti/
H A Dk3-am642-tqma64xxl.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
4 * Copyright (c) 2022-2023 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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/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A 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;
16 mdio-gpio0 = &mdio;
24 iio-hwmon {
25 compatible = "iio-hwmon";
26 io-channels = <&adc 0>, /* 24V */
31 compatible = "gpio-leds";
33 led-0 {
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