The BCM6846 has the same simplistic GPIOs as some other
Broadcom SoCs: plain memory-mapped registers with up to
8 blocks of 32 GPIOs each totalling 256 GPIOs.
Users of the SoC can selectively enable the GPIO blocks
actually used with a certain design.
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
arch/arm/boot/dts/broadcom/bcm6846.dtsi | 80 +++++++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
diff --git a/arch/arm/boot/dts/broadcom/bcm6846.dtsi b/arch/arm/boot/dts/broadcom/bcm6846.dtsi
index f4f1f3a06eac..dc0c87c79569 100644
--- a/arch/arm/boot/dts/broadcom/bcm6846.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm6846.dtsi
@@ -104,6 +104,86 @@ watchdog@480 {
reg = <0x480 0x10>;
};
+ /* GPIOs 0 .. 31 */
+ gpio0: gpio@500 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x500 0x04>, <0x520 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
+ /* GPIOs 32 .. 63 */
+ gpio1: gpio@504 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x504 0x04>, <0x524 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
+ /* GPIOs 64 .. 95 */
+ gpio2: gpio@508 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x508 0x04>, <0x528 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
+ /* GPIOs 96 .. 127 */
+ gpio3: gpio@50c {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x50c 0x04>, <0x52c 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
+ /* GPIOs 128 .. 159 */
+ gpio4: gpio@510 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x510 0x04>, <0x530 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
+ /* GPIOs 160 .. 191 */
+ gpio5: gpio@514 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x514 0x04>, <0x534 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
+ /* GPIOs 192 .. 223 */
+ gpio6: gpio@518 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x518 0x04>, <0x538 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
+ /* GPIOs 224 .. 255 */
+ gpio7: gpio@51c {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x51c 0x04>, <0x53c 0x04>;
+ reg-names = "dirout", "dat";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
uart0: serial@640 {
compatible = "brcm,bcm6345-uart";
reg = <0x640 0x1b>;
--
2.46.2
