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/linux-5.10/Documentation/devicetree/bindings/i2c/
Damlogic,meson6-i2c.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/i2c/amlogic,meson6-i2c.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: Amlogic Meson I2C Controller
11 - Neil Armstrong <narmstrong@baylibre.com>
12 - Beniamino Galvani <b.galvani@gmail.com>
15 - $ref: /schemas/i2c/i2c-controller.yaml#
20 - amlogic,meson6-i2c # Meson6, Meson8 and compatible SoCs
21 - amlogic,meson-gxbb-i2c # GXBB and compatible SoCs
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/linux-5.10/arch/arm/boot/dts/
Dmeson.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR MIT
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #address-cells = <1>;
11 #size-cells = <1>;
12 interrupt-parent = <&gic>;
15 compatible = "simple-bus";
16 #address-cells = <1>;
17 #size-cells = <1>;
21 compatible = "simple-bus";
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/linux-5.10/drivers/i2c/busses/
Di2c-meson.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * I2C bus driver for Amlogic Meson SoCs
11 #include <linux/i2c.h>
22 /* Meson I2C register map */
70 * struct meson_i2c - Meson I2C device private data
72 * @adap: I2C adapter instance
76 * @msg: Pointer to the current I2C message
109 static void meson_i2c_set_mask(struct meson_i2c *i2c, int reg, u32 mask, in meson_i2c_set_mask() argument
114 data = readl(i2c->regs + reg); in meson_i2c_set_mask()
117 writel(data, i2c->regs + reg); in meson_i2c_set_mask()
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/linux-5.10/drivers/rtc/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
44 This clock should be battery-backed, so that it reads the correct
45 time when the system boots from a power-off state. Otherwise, your
132 once-per-second update interrupts, used for synchronization.
150 will be called rtc-test.
152 comment "I2C RTC drivers"
154 if I2C
164 will be called rtc-88pm860x.
174 will be called rtc-88pm80x.
178 tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
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