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/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dlsi,zevio-intc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/interrupt-controller/lsi,zevio-intc.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: TI-NSPIRE Interrupt Controller
11 - Daniel Tang <dt.tangr@gmail.com>
14 TI-NSPIRE interrupt controller
18 const: lsi,zevio-intc
23 interrupt-controller: true
25 '#interrupt-cells':
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/linux/arch/arm/boot/dts/nspire/
H A Dnspire-classic.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
11 remote-endpoint = <&panel_in>;
17 /* compatible = "lsi,zevio-timer"; */
23 reg-shift = <2>;
24 reg-io-width = <4>;
26 no-loopback-test;
30 /* compatible = "lsi,zevio-timer"; */
35 compatible = "lsi,zevio-timer";
40 active-low;
45 compatible = "lsi,nspire-classic-clock";
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H A Dnspire.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
7 #address-cells = <1>;
8 #size-cells = <1>;
9 interrupt-parent = <&intc>;
12 #address-cells = <1>;
13 #size-cells = <0>;
16 compatible = "arm,arm926ej-s";
27 compatible = "mmio-sram";
29 #address-cells = <1>;
30 #size-cells = <1>;
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/linux/drivers/irqchip/
H A Dirq-zevio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/drivers/irqchip/irq-zevio.c
42 struct irq_chip_regs *regs = &irq_data_get_chip_type(irqd)->regs; in zevio_irq_ack()
44 readl(gc->reg_base + regs->ack); in zevio_irq_ack()
77 return -EBUSY; in zevio_of_init()
105 gc->reg_base = zevio_irq_io; in zevio_of_init()
106 gc->chip_types[0].chip.irq_ack = zevio_irq_ack; in zevio_of_init()
107 gc->chip_types[0].chip.irq_mask = irq_gc_mask_disable_reg; in zevio_of_init()
108 gc->chip_types[0].chip.irq_unmask = irq_gc_unmask_enable_reg; in zevio_of_init()
109 gc->chip_types[0].regs.mask = IO_IRQ_BASE + IO_ENABLE; in zevio_of_init()
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