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-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt16
-rw-r--r--arch/arm/boot/dts/sh73a0.dtsi18
-rw-r--r--drivers/irqchip/irq-renesas-intc-irqpin.c9
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 00000000000..1f8b0c507c2
--- /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 ec40bf78289..b9775025600 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 5a68e5accec..82cec63a901 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 */