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Searched +full:bcm2835 +full:- +full:i2c (Results 1 – 12 of 12) sorted by relevance

/freebsd/sys/contrib/device-tree/Bindings/i2c/
H A Dbrcm,bcm2835-i2c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/brcm,bcm2835-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom BCM2835 I2C controller
10 - Stephen Warren <swarren@wwwdotorg.org>
13 - $ref: /schemas/i2c/i2c-controller.yaml#
18 - enum:
19 - brcm,bcm2835-i2c
20 - items:
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H A Dbrcm,bcm2835-i2c.txt1 Broadcom BCM2835 I2C controller
4 - compatible : Should be one of:
5 "brcm,bcm2711-i2c"
6 "brcm,bcm2835-i2c"
7 - reg: Should contain register location and length.
8 - interrupts: Should contain interrupt.
9 - clocks : The clock feeding the I2C controller.
12 - clock-frequency : desired I2C bus clock frequency in Hz.
16 i2c@7e205000 {
17 compatible = "brcm,bcm2835-i2c";
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/freebsd/sys/contrib/device-tree/src/arm/broadcom/
H A Dbcm2835-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 * bcm2835, bcm2836 and bcm2837 implementations.
8 interrupt-parent = <&intc>;
11 dma: dma-controller@7e007000 {
12 compatible = "brcm,bcm2835-dma";
25 /* dma channel 11-14 share one irq */
32 interrupt-name
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H A Dbcm283x.dtsi1 #include <dt-bindings/pinctrl/bcm2835.h>
2 #include <dt-bindings/clock/bcm2835.h>
3 #include <dt-bindings/clock/bcm2835-aux.h>
4 #include <dt-bindings/gpio/gpio.h>
5 #include <dt-bindings/interrupt-controller/irq.h>
6 #include <dt-bindings/soc/bcm2835-pm.h>
8 /* firmware-provided startup stubs live here, where the secondary CPUs are
14 * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
15 * bcm2835.dtsi and bcm2836.dtsi.
19 compatible = "brcm,bcm2835";
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H A Dbcm2711.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/soc/bcm2835-pm.h>
10 #address-cells = <2>;
11 #size-cells = <1>;
13 interrupt-parent = <&gicv2>;
16 compatible = "brcm,bcm2711-vc5";
20 clk_27MHz: clk-27M {
21 #clock-cells = <0>;
22 compatible = "fixed-clock";
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H A Dbcm2711-rpi.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include "bcm2835-rpi.dtsi"
4 #include <dt-bindings/power/raspberrypi-power.h>
5 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
21 i2c0mux: i2c-mux0 {
22 compatible = "i2c-mux-pinctrl";
23 #address-cells = <1>;
24 #size-cells = <0>;
26 i2c-parent = <&i2c0>;
28 pinctrl-names = "i2c0", "i2c0-vc";
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/freebsd/sys/contrib/device-tree/Bindings/clock/
H A Dbrcm,bcm2835-cprman.txt1 Broadcom BCM2835 CPRMAN clocks
4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 of the BCM2835. There is a level of PLLs deriving from an external
9 few PLLs, and a level of mostly-generic clock generators sourcing from
15 - compatible: should be one of the following,
16 "brcm,bcm2711-cprman"
17 "brcm,bcm2835-cprman"
18 - #clock-cells: Should be <1>. The permitted clock-specifier values can be
19 found in include/dt-bindings/clock/bcm2835.h
20 - reg: Specifies base physical address and size of the registers
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/freebsd/sys/contrib/device-tree/Bindings/display/
H A Dbrcm,bcm-vc4.txt8 - compatible: Should be "brcm,bcm2835-vc4" or "brcm,cygnus-vc4"
11 - compatible: Should be one of "brcm,bcm2835-pixelvalve0",
12 "brcm,bcm2835-pixelvalve1", or "brcm,bcm2835-pixelvalve2"
13 - reg: Physical base address and length of the PV's registers
14 - interrupts: The interrupt number
15 See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
18 - compatible: Should be "brcm,bcm2835-hvs"
19 - reg: Physical base address and length of the HVS's registers
20 - interrupts: The interrupt number
21 See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
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H A Dbrcm,bcm2835-hdmi.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Eric Anholt <eric@anholt.net>
14 const: brcm,bcm2835-hdmi
18 - description: HDMI register range
19 - description: HD register range
26 - description: The pixel clock
27 - description: The HDMI state machine clock
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/freebsd/sys/arm/conf/
H A DRPI-B
H A DGENERIC2 # GENERIC -- Generic(ish) kernel config.
7 # https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config
26 makeoptions CONF_CFLAGS="-march=armv7a"
38 files "../broadcom/bcm2835/files.bcm2836"
39 files "../broadcom/bcm2835/files.bcm283x"
95 device ahci # AHCI-compatible SATA controllers
124 # I2C support
129 device p2wi # Allwinner Push-Pull Two Wire
133 device fsliic # Freescale i2c/iic
137 # i2c RTCs
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/freebsd/sys/arm/broadcom/bcm2835/
H A Dbcm2835_bsc.c1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
34 * Driver for bcm2835 i2c-compatible two-wire bus, named 'BSC' on this SoC.
37 * low-level control over sending start/repeat-start/stop sequences on the bus.
39 * repeat-start, and limit the repeat-start to a read following a write on
40 * the same slave device. (The i2c protocol allows a repeat start to change
43 * The repeat-start bug and workaround are described in a problem report at
45 * in a comment block from a fragment of a GPU i2c driver, containing this:
47 * -----------------------------------------------------------------------------
48 * - See i2c.v: The I2C peripheral samples the values for rw_bit and xfer_count
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