From eb3fcf007fffe5830d815e713591f3e858f2a365 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Thu, 1 Oct 2015 22:24:09 -0500 Subject: dt-bindings: consolidate interrupt controller bindings Move various interrupt controller bindings into the interrupt-controller/ directory. Signed-off-by: Rob Herring Cc: Matthias Brugger Cc: linux-mediatek@lists.infradead.org --- .../devicetree/bindings/metag/meta-intc.txt | 82 ---------------- .../devicetree/bindings/metag/pdc-intc.txt | 105 --------------------- 2 files changed, 187 deletions(-) delete mode 100644 Documentation/devicetree/bindings/metag/meta-intc.txt delete mode 100644 Documentation/devicetree/bindings/metag/pdc-intc.txt (limited to 'Documentation/devicetree/bindings/metag') diff --git a/Documentation/devicetree/bindings/metag/meta-intc.txt b/Documentation/devicetree/bindings/metag/meta-intc.txt deleted file mode 100644 index 80994adab392..000000000000 --- a/Documentation/devicetree/bindings/metag/meta-intc.txt +++ /dev/null @@ -1,82 +0,0 @@ -* Meta External Trigger Controller Binding - -This binding specifies what properties must be available in the device tree -representation of a Meta external trigger controller. - -Required properties: - - - compatible: Specifies the compatibility list for the interrupt controller. - The type shall be and the value shall include "img,meta-intc". - - - num-banks: Specifies the number of interrupt banks (each of which can - handle 32 interrupt sources). - - - interrupt-controller: The presence of this property identifies the node - as an interrupt controller. No property value shall be defined. - - - #interrupt-cells: Specifies the number of cells needed to encode an - interrupt source. The type shall be a and the value shall be 2. - - - #address-cells: Specifies the number of cells needed to encode an - address. The type shall be and the value shall be 0. As such, - 'interrupt-map' nodes do not have to specify a parent unit address. - -Optional properties: - - - no-mask: The controller doesn't have any mask registers. - -* Interrupt Specifier Definition - - Interrupt specifiers consists of 2 cells encoded as follows: - - - <1st-cell>: The interrupt-number that identifies the interrupt source. - - - <2nd-cell>: The Linux interrupt flags containing level-sense information, - encoded as follows: - 1 = edge triggered - 4 = level-sensitive - -* Examples - -Example 1: - - /* - * Meta external trigger block - */ - intc: intc { - // This is an interrupt controller node. - interrupt-controller; - - // No address cells so that 'interrupt-map' nodes which - // reference this interrupt controller node do not need a parent - // address specifier. - #address-cells = <0>; - - // Two cells to encode interrupt sources. - #interrupt-cells = <2>; - - // Number of interrupt banks - num-banks = <2>; - - // No HWMASKEXT is available (specify on Chorus2 and Comet ES1) - no-mask; - - // Compatible with Meta hardware trigger block. - compatible = "img,meta-intc"; - }; - -Example 2: - - /* - * An interrupt generating device that is wired to a Meta external - * trigger block. - */ - uart1: uart@0x02004c00 { - // Interrupt source '5' that is level-sensitive. - // Note that there are only two cells as specified in the - // interrupt parent's '#interrupt-cells' property. - interrupts = <5 4 /* level */>; - - // The interrupt controller that this device is wired to. - interrupt-parent = <&intc>; - }; diff --git a/Documentation/devicetree/bindings/metag/pdc-intc.txt b/Documentation/devicetree/bindings/metag/pdc-intc.txt deleted file mode 100644 index a69118550344..000000000000 --- a/Documentation/devicetree/bindings/metag/pdc-intc.txt +++ /dev/null @@ -1,105 +0,0 @@ -* ImgTec Powerdown Controller (PDC) Interrupt Controller Binding - -This binding specifies what properties must be available in the device tree -representation of a PDC IRQ controller. This has a number of input interrupt -lines which can wake the system, and are passed on through output interrupt -lines. - -Required properties: - - - compatible: Specifies the compatibility list for the interrupt controller. - The type shall be and the value shall include "img,pdc-intc". - - - reg: Specifies the base PDC physical address(s) and size(s) of the - addressable register space. The type shall be . - - - interrupt-controller: The presence of this property identifies the node - as an interrupt controller. No property value shall be defined. - - - #interrupt-cells: Specifies the number of cells needed to encode an - interrupt source. The type shall be a and the value shall be 2. - - - num-perips: Number of waking peripherals. - - - num-syswakes: Number of SysWake inputs. - - - interrupts: List of interrupt specifiers. The first specifier shall be the - shared SysWake interrupt, and remaining specifies shall be PDC peripheral - interrupts in order. - -* Interrupt Specifier Definition - - Interrupt specifiers consists of 2 cells encoded as follows: - - - <1st-cell>: The interrupt-number that identifies the interrupt source. - 0-7: Peripheral interrupts - 8-15: SysWake interrupts - - - <2nd-cell>: The level-sense information, encoded using the Linux interrupt - flags as follows (only 4 valid for peripheral interrupts): - 0 = none (decided by software) - 1 = low-to-high edge triggered - 2 = high-to-low edge triggered - 3 = both edge triggered - 4 = active-high level-sensitive (required for perip irqs) - 8 = active-low level-sensitive - -* Examples - -Example 1: - - /* - * TZ1090 PDC block - */ - pdc: pdc@0x02006000 { - // This is an interrupt controller node. - interrupt-controller; - - // Three cells to encode interrupt sources. - #interrupt-cells = <2>; - - // Offset address of 0x02006000 and size of 0x1000. - reg = <0x02006000 0x1000>; - - // Compatible with Meta hardware trigger block. - compatible = "img,pdc-intc"; - - // Three peripherals are connected. - num-perips = <3>; - - // Four SysWakes are connected. - num-syswakes = <4>; - - interrupts = <18 4 /* level */>, /* Syswakes */ - <30 4 /* level */>, /* Peripheral 0 (RTC) */ - <29 4 /* level */>, /* Peripheral 1 (IR) */ - <31 4 /* level */>; /* Peripheral 2 (WDT) */ - }; - -Example 2: - - /* - * An SoC peripheral that is wired through the PDC. - */ - rtc0 { - // The interrupt controller that this device is wired to. - interrupt-parent = <&pdc>; - - // Interrupt source Peripheral 0 - interrupts = <0 /* Peripheral 0 (RTC) */ - 4> /* IRQ_TYPE_LEVEL_HIGH */ - }; - -Example 3: - - /* - * An interrupt generating device that is wired to a SysWake pin. - */ - touchscreen0 { - // The interrupt controller that this device is wired to. - interrupt-parent = <&pdc>; - - // Interrupt source SysWake 0 that is active-low level-sensitive - interrupts = <8 /* SysWake0 */ - 8 /* IRQ_TYPE_LEVEL_LOW */>; - }; -- cgit v1.2.3