diff options
-rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt | 16 | ||||
-rw-r--r-- | arch/arm/boot/dts/sh73a0.dtsi | 18 | ||||
-rw-r--r-- | drivers/irqchip/irq-renesas-intc-irqpin.c | 9 |
3 files changed, 33 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt new file mode 100644 index 0000000..1f8b0c5 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt @@ -0,0 +1,16 @@ +DT bindings for the R-/SH-Mobile irqpin controller + +Required properties: + +- compatible: has to be "renesas,intc-irqpin" +- #interrupt-cells: has to be <2>: an interrupt index and flags, as defined in + interrupts.txt in this directory + +Optional properties: + +- any properties, listed in interrupts.txt, and any standard resource allocation + properties +- sense-bitfield-width: width of a single sense bitfield in the SENSE register, + if different from the default 4 bits +- control-parent: disable and enable interrupts on the parent interrupt + controller, needed for some broken implementations diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi index ec40bf7..b977502 100644 --- a/arch/arm/boot/dts/sh73a0.dtsi +++ b/arch/arm/boot/dts/sh73a0.dtsi @@ -119,7 +119,7 @@ 0 32 0x4>; }; - i2c0: i2c@0xe6820000 { + i2c0: i2c@e6820000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,rmobile-iic"; @@ -131,7 +131,7 @@ 0 170 0x4>; }; - i2c1: i2c@0xe6822000 { + i2c1: i2c@e6822000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,rmobile-iic"; @@ -143,7 +143,7 @@ 0 54 0x4>; }; - i2c2: i2c@0xe6824000 { + i2c2: i2c@e6824000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,rmobile-iic"; @@ -155,7 +155,7 @@ 0 174 0x4>; }; - i2c3: i2c@0xe6826000 { + i2c3: i2c@e6826000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,rmobile-iic"; @@ -167,7 +167,7 @@ 0 186 0x4>; }; - i2c4: i2c@0xe6828000 { + i2c4: i2c@e6828000 { #address-cells = <1>; #size-cells = <0>; compatible = "renesas,rmobile-iic"; @@ -179,7 +179,7 @@ 0 190 0x4>; }; - mmcif: mmcif@0x10010000 { + mmcif: mmcif@e6bd0000 { compatible = "renesas,sh-mmcif"; reg = <0xe6bd0000 0x100>; interrupt-parent = <&gic>; @@ -189,7 +189,7 @@ status = "disabled"; }; - sdhi0: sdhi@0xee100000 { + sdhi0: sdhi@ee100000 { compatible = "renesas,r8a7740-sdhi"; reg = <0xee100000 0x100>; interrupt-parent = <&gic>; @@ -201,7 +201,7 @@ }; /* SDHI1 and SDHI2 have no CD pins, no need for CD IRQ */ - sdhi1: sdhi@0xee120000 { + sdhi1: sdhi@ee120000 { compatible = "renesas,r8a7740-sdhi"; reg = <0xee120000 0x100>; interrupt-parent = <&gic>; @@ -212,7 +212,7 @@ status = "disabled"; }; - sdhi2: sdhi@0xee140000 { + sdhi2: sdhi@ee140000 { compatible = "renesas,r8a7740-sdhi"; reg = <0xee140000 0x100>; interrupt-parent = <&gic>; diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c index 5a68e5a..82cec63 100644 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c @@ -18,6 +18,7 @@ */ #include <linux/init.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/spinlock.h> #include <linux/interrupt.h> @@ -347,8 +348,14 @@ static int intc_irqpin_probe(struct platform_device *pdev) } /* deal with driver instance configuration */ - if (pdata) + if (pdata) { memcpy(&p->config, pdata, sizeof(*pdata)); + } else { + of_property_read_u32(pdev->dev.of_node, "sense-bitfield-width", + &p->config.sense_bitfield_width); + p->config.control_parent = of_property_read_bool(pdev->dev.of_node, + "control-parent"); + } if (!p->config.sense_bitfield_width) p->config.sense_bitfield_width = 4; /* default to 4 bits */ |