[PATCH V2] arm64: dts: broadcom: bcm4908: describe PMB block
Rafał Miłecki
zajec5 at gmail.com
Wed Jan 13 06:15:47 EST 2021
From: Rafał Miłecki <rafal at milecki.pl>
PMB (Power Management Bus) controls powering connected devices (e.g.
PCIe, USB, SATA). In BCM4908 it's a part of the PROCMON block.
Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
Florian: this patch is based on top of the
[PATCH] arm64: dts: broadcom: bcm4908: describe internal switch
one. Both modify "ranges".
V2: Use simple-bus
---
.../boot/dts/broadcom/bcm4908/bcm4908.dtsi | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
index d30dd2042786..65e186da81d9 100644
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
@@ -108,7 +108,7 @@ soc {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0x00 0x00 0x80000000 0xd0000>;
+ ranges = <0x00 0x00 0x80000000 0x281000>;
usb at c300 {
compatible = "generic-ehci";
@@ -213,6 +213,21 @@ phy12: phy at c {
};
};
};
+
+ procmon: syscon at 280000 {
+ compatible = "simple-bus";
+ reg = <0x280000 0x1000>;
+ ranges;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ power-controller at 2800c0 {
+ compatible = "brcm,bcm4908-pmb";
+ reg = <0x2800c0 0x40>;
+ #power-domain-cells = <1>;
+ };
+ };
};
bus at ff800000 {
--
2.26.2
More information about the linux-arm-kernel
mailing list