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/Linux-v5.15/Documentation/devicetree/bindings/i2c/
Di2c-ocores.txt1 Device tree configuration for i2c-ocores
4 - compatible : "opencores,i2c-ocores"
6 "sifive,fu540-c000-i2c", "sifive,i2c0"
8 FU540-C000 SoC.
9 "sifive,fu740-c000-i2c", "sifive,i2c0"
11 FU740-C000 SoC.
12 Please refer to sifive-blocks-ip-versioning.txt for
14 - reg : bus address start and address range size of device
15 - clocks : handle to the controller clock; see the note below.
16 Mutually exclusive with opencores,ip-clock-frequency
[all …]
/Linux-v5.15/arch/arm/boot/dts/
Dbcm11351.dtsi2 * Copyright (C) 2012-2013 Broadcom Corporation
14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
17 #include "dt-bindings/clock/bcm281xx.h"
20 #address-cells = <1>;
21 #size-cells = <1>;
24 interrupt-parent = <&gic>;
31 #address-cells = <1>;
32 #size-cells = <0>;
36 compatible = "arm,cortex-a9";
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Dbcm23550.dtsi33 #include <dt-bindings/interrupt-controller/arm-gic.h>
34 #include <dt-bindings/interrupt-controller/irq.h>
37 #include "dt-bindings/clock/bcm21664.h"
40 #address-cells = <1>;
41 #size-cells = <1>;
44 interrupt-parent = <&gic>;
47 #address-cells = <1>;
48 #size-cells = <0>;
52 compatible = "arm,cortex-a7";
54 clock-frequency = <1000000000>;
[all …]
Daxm5516-cpus.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * arch/arm/boot/dts/axm5516-cpus.dtsi
10 #address-cells = <1>;
11 #size-cells = <0>;
13 cpu-map {
74 compatible = "arm,cortex-a15";
76 clock-frequency= <1400000000>;
77 cpu-release-addr = <0>; // Fixed by the boot loader
82 compatible = "arm,cortex-a15";
84 clock-frequency= <1400000000>;
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Dbcm21664.dtsi14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
17 #include "dt-bindings/clock/bcm21664.h"
20 #address-cells = <1>;
21 #size-cells = <1>;
24 interrupt-parent = <&gic>;
31 #address-cells = <1>;
32 #size-cells = <0>;
36 compatible = "arm,cortex-a9";
42 compatible = "arm,cortex-a9";
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Dtegra124-nyan-blaze-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 clock@60006000 {
4 emc-timings-1 {
5 nvidia,ram-code = <1>;
7 timing-12750000 {
8 clock-frequency = <12750000>;
9 nvidia,parent-clock-frequency = <408000000>;
11 clock-names = "emc-parent";
13 timing-20400000 {
14 clock-frequency = <20400000>;
[all …]
Dtegra124-jetson-tk1-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 clock@60006000 {
4 emc-timings-3 {
5 nvidia,ram-code = <3>;
7 timing-12750000 {
8 clock-frequency = <12750000>;
9 nvidia,parent-clock-frequency = <408000000>;
11 clock-names = "emc-parent";
13 timing-20400000 {
14 clock-frequency = <20400000>;
[all …]
Dtegra124-apalis-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR X11
3 * Copyright 2016-2019 Toradex AG
8 clock@60006000 {
9 emc-timings-1 {
10 nvidia,ram-code = <1>;
12 timing-12750000 {
13 clock-frequency = <12750000>;
14 nvidia,parent-clock-frequency = <408000000>;
16 clock-names = "emc-parent";
18 timing-20400000 {
[all …]
Dsocfpga_vt.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
11 compatible = "altr,socfpga-vt", "altr,socfpga";
27 clock-frequency = <10000000>;
33 broken-cd;
34 bus-width = <4>;
35 cap-mmc-highspeed;
36 cap-sd-highspeed;
40 phy-mode = "gmii";
45 clock-frequency = <7000000>;
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/Linux-v5.15/drivers/media/i2c/
Dccs-pll.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * drivers/media/i2c/ccs-pll.h
17 /* CSI-2 or CCP-2 */
22 /* op pix clock is for all lanes in total normally */
37 * struct ccs_pll_branch_fr - CCS PLL configuration (front)
39 * A single branch front-end of the CCS PLL tree.
41 * @pre_pll_clk_div: Pre-PLL clock divisor
43 * @pll_ip_clk_freq_hz: PLL input clock frequency
44 * @pll_op_clk_freq_hz: PLL output clock frequency
54 * struct ccs_pll_branch_bk - CCS PLL configuration (back)
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/Linux-v5.15/arch/arm64/boot/dts/amd/
Damd-seattle-clks.dtsi1 // SPDX-License-Identifier: GPL-2.0
9 compatible = "fixed-clock";
10 #clock-cells = <0>;
11 clock-frequency = <100000000>;
12 clock-output-names = "adl3clk_100mhz";
16 compatible = "fixed-clock";
17 #clock-cells = <0>;
18 clock-frequency = <375000000>;
19 clock-output-names = "ccpclk_375mhz";
23 compatible = "fixed-clock";
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/clock/
Dqoriq-clock.txt1 * Clock Block on Freescale QorIQ Platforms
4 SYSCLK signal. The SYSCLK input (frequency) is multiplied using
14 --------------- -------------
18 1. Clock Block Binding
21 - compatible: Should contain a chip-specific clock block compatible
22 string and (if applicable) may contain a chassis-version clock
25 Chip-specific strings are of the form "fsl,<chip>-clockgen", such as:
26 * "fsl,p2041-clockgen"
27 * "fsl,p3041-clockgen"
28 * "fsl,p4080-clockgen"
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Dnuvoton,npcm750-clk.txt1 * Nuvoton NPCM7XX Clock Controller
3 Nuvoton Poleg BMC NPCM7XX contains an integrated clock controller, which
10 clk_sysbypck are inputs to the clock controller.
12 network. They are set on the device tree, but not used by the clock module. The
17 dt-bindings/clock/nuvoton,npcm7xx-clock.h
20 Required Properties of clock controller:
22 - compatible: "nuvoton,npcm750-clk" : for clock controller of Nuvoton
25 - reg: physical base address of the clock controller and length of
28 - #clock-cells: should be 1.
30 Example: Clock controller node:
[all …]
Dsilabs,si570.txt2 I2C clock generators.
5 This binding uses the common clock binding[1]. Details about the devices can be
8 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
12 https://www.silabs.com/Support%20Documents/TechnicalDocs/si598-99.pdf
15 - compatible: Shall be one of "silabs,si570", "silabs,si571",
17 - reg: I2C device address.
18 - #clock-cells: From common clock bindings: Shall be 0.
19 - factory-fout: Factory set default frequency. This frequency is part specific.
20 The correct frequency for the part used has to be provided in
23 - temperature-stability: Temperature stability of the device in PPM. Should be
[all …]
Dclock-bindings.txt1 This binding is a work-in-progress, and are based on some experimental
4 Sources of clock signal can be represented by any node in the device
5 tree. Those nodes are designated as clock providers. Clock consumer
6 nodes use a phandle and clock specifier pair to connect clock provider
7 outputs to clock inputs. Similar to the gpio specifiers, a clock
8 specifier is an array of zero, one or more cells identifying the clock
9 output on a device. The length of a clock specifier is defined by the
10 value of a #clock-cells property in the clock provider node.
14 ==Clock providers==
17 #clock-cells: Number of cells in a clock specifier; Typically 0 for nodes
[all …]
Dpwm-clock.txt1 Binding for an external clock signal driven by a PWM pin.
3 This binding uses the common clock binding[1] and the common PWM binding[2].
5 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
9 - compatible : shall be "pwm-clock".
10 - #clock-cells : from common clock binding; shall be set to 0.
11 - pwms : from common PWM binding; this determines the clock frequency
15 - clock-output-names : From common clock binding.
16 - clock-frequency : Exact output frequency, in case the PWM period
20 clock {
21 compatible = "pwm-clock";
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/display/exynos/
Dexynos_dsim.txt4 - compatible: value should be one of the following
5 "samsung,exynos3250-mipi-dsi" /* for Exynos3250/3472 SoCs */
6 "samsung,exynos4210-mipi-dsi" /* for Exynos4 SoCs */
7 "samsung,exynos5410-mipi-dsi" /* for Exynos5410/5420/5440 SoCs */
8 "samsung,exynos5422-mipi-dsi" /* for Exynos5422/5800 SoCs */
9 "samsung,exynos5433-mipi-dsi" /* for Exynos5433 SoCs */
10 - reg: physical base address and length of the registers set for the device
11 - interrupts: should contain DSI interrupt
12 - clocks: list of clock specifiers, must contain an entry for each required
13 entry in clock-names
[all …]
/Linux-v5.15/arch/nios2/boot/dts/
D10m50_devboard.dts1 // SPDX-License-Identifier: GPL-2.0-only
6 /dts-v1/;
10 compatible = "altr,niosii-max10";
11 #address-cells = <1>;
12 #size-cells = <1>;
15 #address-cells = <1>;
16 #size-cells = <0>;
20 compatible = "altr,nios2-1.1";
22 interrupt-controller;
23 #interrupt-cells = <1>;
[all …]
/Linux-v5.15/arch/arm64/boot/dts/arm/
Djuno-clocks.dtsi4 * Copyright (c) 2013-2014 ARM Ltd
12 compatible = "fixed-clock";
13 #clock-cells = <0>;
14 clock-frequency = <7372800>;
15 clock-output-names = "juno:uartclk";
19 compatible = "fixed-clock";
20 #clock-cells = <0>;
21 clock-frequency = <48000000>;
22 clock-output-names = "clk48mhz";
26 compatible = "fixed-clock";
[all …]
/Linux-v5.15/arch/arc/boot/dts/
Dhsdk.dts1 // SPDX-License-Identifier: GPL-2.0-only
9 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/reset/snps,hsdk-reset.h>
18 #address-cells = <2>;
19 #size-cells = <2>;
22 … "earlycon=uart8250,mmio32,0xf0005000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1";
30 #address-cells = <1>;
31 #size-cells = <0>;
62 input_clk: input-clk {
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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-driver-habanalabs21 Description: Allows the user to set the maximum clock frequency, in MHz.
22 The device clock might be set to lower value than the maximum.
24 frequency value of the device clock. This property is valid
31 Description: Displays the current frequency, in MHz, of the device clock.
64 on-board EEPROM
76 Description: Interface to trigger a hard-reset operation for the device.
77 Hard-reset will reset ALL internal components of the device
84 Description: Displays how many times the device have undergone a hard-reset
91 Description: Allows the user to set the maximum clock frequency for MME, TPC
99 Description: Allows the user to set the maximum clock frequency, in Hz, of
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/Linux-v5.15/drivers/staging/sm750fb/
Dddk750_chip.c1 // SPDX-License-Identifier: GPL-2.0
52 * This function set up the main chip clock.
54 * Input: Frequency to be set.
56 static void set_chip_clock(unsigned int frequency) in set_chip_clock() argument
60 /* Cheok_0509: For SM750LE, the chip clock is fixed. Nothing to set. */ in set_chip_clock()
64 if (frequency) { in set_chip_clock()
68 pll.input_freq = DEFAULT_INPUT_CLOCK; /* Defined in CLOCK.H */ in set_chip_clock()
74 * up the exact clock required by the User. in set_chip_clock()
76 * possible clock. in set_chip_clock()
78 sm750_calc_pll_value(frequency, &pll); in set_chip_clock()
[all …]
/Linux-v5.15/drivers/clk/
Dclk-si570.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (C) 2011 - 2021 Xilinx Inc.
14 #include <linux/clk-provider.h>
54 * @hw: Clock hw struct
57 * @max_freq: Maximum frequency for this device
58 * @fxtal: Factory xtal frequency
59 * @n1: Clock divider N1
60 * @hs_div: Clock divider HSDIV
61 * @rfreq: Clock multiplier RFREQ
62 * @frequency: Current output frequency
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/media/i2c/
Dtoshiba,et8ek8.txt6 Documentation/devicetree/bindings/media/video-interfaces.txt .
10 --------------------
12 - compatible: "toshiba,et8ek8"
13 - reg: I2C address (0x3e, or an alternative address)
14 - vana-supply: Analogue voltage supply (VANA), 2.8 volts
15 - clocks: External clock to the sensor
16 - clock-frequency: Frequency of the external clock to the sensor. Camera
17 driver will set this frequency on the external clock. The clock frequency is
18 a pre-determined frequency known to be suitable to the board.
19 - reset-gpios: XSHUTDOWN GPIO. The XSHUTDOWN signal is active low. The sensor
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Dmt9p031.txt1 * Aptina 1/2.5-Inch 5Mp CMOS Digital Image Sensor
3 The Aptina MT9P031 is a 1/2.5-inch CMOS active pixel digital image sensor with
5 two-wire serial interface.
8 - compatible: value should be either one among the following
12 - input-clock-frequency: Input clock frequency.
14 - pixel-clock-frequency: Pixel clock frequency.
17 - reset-gpios: Chip reset GPIO
20 Documentation/devicetree/bindings/media/video-interfaces.txt.
30 reset-gpios = <&gpio3 30 0>;
34 input-clock-frequency = <6000000>;
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