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/Linux-v5.15/Documentation/devicetree/bindings/i2c/
Drenesas,riic.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/renesas,riic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas RZ/A and RZ/G2L I2C Bus Interface (RIIC)
10 - Chris Brandt <chris.brandt@renesas.com>
11 - Wolfram Sang <wsa+renesas@sang-engineering.com>
14 - $ref: /schemas/i2c/i2c-controller.yaml#
19 - enum:
20 - renesas,riic-r7s72100 # RZ/A1H
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/Linux-v5.15/arch/arm64/boot/dts/renesas/
Dr9a07g044.dtsi1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 * Device Tree Source for the RZ/G2L and RZ/G2LC common SoC parts
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/clock/r9a07g044-cpg.h>
13 #address-cells = <2>;
14 #size-cells = <2>;
16 /* External CAN clock - to be overridden by boards that provide it */
18 compatible = "fixed-clock";
19 #clock-cells = <0>;
20 clock-frequency = <0>;
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/Linux-v5.15/arch/arm/boot/dts/
Dr7s9210.dtsi1 // SPDX-License-Identifier: GPL-2.0
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/clock/r7s9210-cpg-mssr.h>
14 interrupt-parent = <&gic>;
15 #address-cells = <1>;
16 #size-cells = <1>;
20 #clock-cells = <0>;
21 compatible = "fixed-clock";
23 clock-frequency = <0>;
27 #clock-cells = <0>;
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Dr7s72100.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2013-14 Renesas Solutions Corp.
6 * Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
9 #include <dt-bindings/clock/r7s72100-clock.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
15 #address-cells = <1>;
16 #size-cells = <1>;
32 #clock-cells = <0>;
33 compatible = "fixed-factor-clock";
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Dr7s72100-rskrza1.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the RZ/A1H RSK board
8 /dts-v1/;
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/pinctrl/r7s72100-pinctrl.h>
24 stdout-path = "serial0:115200n8";
33 compatible = "gpio-keys";
35 pinctrl-names = "default";
36 pinctrl-0 = <&keyboard_pins>;
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/Linux-v5.15/drivers/i2c/busses/
Di2c-riic.c1 // SPDX-License-Identifier: GPL-2.0
3 * Renesas RIIC driver
5 * Copyright (C) 2013 Wolfram Sang <wsa@sang-engineering.com>
89 #define RIIC_INIT_MSG -1
114 static inline void riic_clear_set_bit(struct riic_dev *riic, u8 clear, u8 set, u8 reg) in riic_clear_set_bit() argument
116 writeb((readb(riic->base + reg) & ~clear) | set, riic->base + reg); in riic_clear_set_bit()
121 struct riic_dev *riic = i2c_get_adapdata(adap); in riic_xfer() local
126 pm_runtime_get_sync(adap->dev.parent); in riic_xfer()
128 if (readb(riic->base + RIIC_ICCR2) & ICCR2_BBSY) { in riic_xfer()
129 riic->err = -EBUSY; in riic_xfer()
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/Linux-v5.15/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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