bcm4908: backport upstream DTS patches

1. Netgear R8000P DTS file
2. NAND fix
3. PCIe reset block
4. Integrated switch
5. PMB block

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

9 files changed, 501 insertions, 0 deletions

diff --git a/target/linux/bcm4908/patches-5.4/030-v5.11-0001-dt-bindings-arm-bcm-document-BCM4908-bindings.patch b/target/linux/bcm4908/patches-5.4/030-v5.11-0001-dt-bindings-arm-bcm-document-BCM4908-bindings.patch
new file mode 100644
index 0000000000..66726cbf0b
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/030-v5.11-0001-dt-bindings-arm-bcm-document-BCM4908-bindings.patch
@@ -0,0 +1,60 @@
+From 2f8913a7b17efd3a116825160a2d3a6610444587 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Thu, 12 Nov 2020 16:08:31 +0100
+Subject: [PATCH] dt-bindings: arm: bcm: document BCM4908 bindings
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+BCM4908 is a new family that includes BCM4906, BCM4908 and BCM49408.
+It's mostly used in home routers and often replaces Northstar in vendors
+portfolio.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ .../bindings/arm/bcm/brcm,bcm4908.yaml        | 38 +++++++++++++++++++
+ 1 file changed, 38 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
+@@ -0,0 +1,38 @@
++# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm4908.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: Broadcom BCM4908 device tree bindings
++
++description:
++  Broadcom BCM4906 / BCM4908 / BCM49408 Wi-Fi/network SoCs with Brahma CPUs.
++
++maintainers:
++  - Rafał Miłecki <rafal@milecki.pl>
++
++properties:
++  $nodename:
++    const: '/'
++  compatible:
++    oneOf:
++      - description: BCM4906 based boards
++        items:
++          - const: brcm,bcm4906
++          - const: brcm,bcm4908
++
++      - description: BCM4908 based boards
++        items:
++          - enum:
++              - asus,gt-ac5300
++          - const: brcm,bcm4908
++
++      - description: BCM49408 based boards
++        items:
++          - const: brcm,bcm49408
++          - const: brcm,bcm4908
++
++additionalProperties: true
++
++...
diff --git a/target/linux/bcm4908/patches-5.4/030-v5.11-0001-arm64-dts-broadcom-add-BCM4908-and-Asus-GT-AC5300-ea.patch b/target/linux/bcm4908/patches-5.4/030-v5.11-0002-arm64-dts-broadcom-add-BCM4908-and-Asus-GT-AC5300-ea.patch
index 3598b5b9c7..3598b5b9c7 100644
--- a/target/linux/bcm4908/patches-5.4/030-v5.11-0001-arm64-dts-broadcom-add-BCM4908-and-Asus-GT-AC5300-ea.patch
+++ b/target/linux/bcm4908/patches-5.4/030-v5.11-0002-arm64-dts-broadcom-add-BCM4908-and-Asus-GT-AC5300-ea.patch
diff --git a/target/linux/bcm4908/patches-5.4/030-v5.11-0002-v5.11-arm64-add-config-for-Broadcom-BCM4908-SoCs.patch b/target/linux/bcm4908/patches-5.4/030-v5.11-0003-v5.11-arm64-add-config-for-Broadcom-BCM4908-SoCs.patch
index 42bdbf51b6..42bdbf51b6 100644
--- a/target/linux/bcm4908/patches-5.4/030-v5.11-0002-v5.11-arm64-add-config-for-Broadcom-BCM4908-SoCs.patch
+++ b/target/linux/bcm4908/patches-5.4/030-v5.11-0003-v5.11-arm64-add-config-for-Broadcom-BCM4908-SoCs.patch
diff --git a/target/linux/bcm4908/patches-5.4/031-v5.12-0001-dt-bindings-arm-bcm-document-Netgear-R8000P-binding.patch b/target/linux/bcm4908/patches-5.4/031-v5.12-0001-dt-bindings-arm-bcm-document-Netgear-R8000P-binding.patch
new file mode 100644
index 0000000000..24a0749c77
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/031-v5.12-0001-dt-bindings-arm-bcm-document-Netgear-R8000P-binding.patch
@@ -0,0 +1,28 @@
+From 3a5da4f54801ac42837a0b3151fa8285e01e8b0e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Tue, 8 Dec 2020 08:03:03 +0100
+Subject: [PATCH] dt-bindings: arm: bcm: document Netgear R8000P binding
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+It's a BCM4906 based device.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Acked-by: Rob Herring <robh@kernel.org>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
++++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
+@@ -19,6 +19,8 @@ properties:
+     oneOf:
+       - description: BCM4906 based boards
+         items:
++          - enum:
++              - netgear,r8000p
+           - const: brcm,bcm4906
+           - const: brcm,bcm4908
+ 
diff --git a/target/linux/bcm4908/patches-5.4/031-v5.12-0002-arm64-dts-broadcom-bcm4908-add-BCM4906-Netgear-R8000.patch b/target/linux/bcm4908/patches-5.4/031-v5.12-0002-arm64-dts-broadcom-bcm4908-add-BCM4906-Netgear-R8000.patch
new file mode 100644
index 0000000000..93fa2150af
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/031-v5.12-0002-arm64-dts-broadcom-bcm4908-add-BCM4906-Netgear-R8000.patch
@@ -0,0 +1,104 @@
+From c8b404fb05dcfadff477e49b7ea6b500e015f101 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Tue, 8 Dec 2020 08:03:04 +0100
+Subject: [PATCH 2/4] arm64: dts: broadcom: bcm4908: add BCM4906 Netgear R8000P
+ DTS files
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Netgear R8000P is home router based on BCM4906 that is a cheaper variant
+of BCM4908 (e.g. 2 cores instead of 4).
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm64/boot/dts/broadcom/bcm4908/Makefile |  1 +
+ .../bcm4908/bcm4906-netgear-r8000p.dts        | 52 +++++++++++++++++++
+ .../boot/dts/broadcom/bcm4908/bcm4906.dtsi    | 18 +++++++
+ 3 files changed, 71 insertions(+)
+ create mode 100644 arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
+ create mode 100644 arch/arm64/boot/dts/broadcom/bcm4908/bcm4906.dtsi
+
+--- a/arch/arm64/boot/dts/broadcom/bcm4908/Makefile
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/Makefile
+@@ -1,2 +1,3 @@
+ # SPDX-License-Identifier: GPL-2.0
++dtb-$(CONFIG_ARCH_BCM4908) += bcm4906-netgear-r8000p.dtb
+ dtb-$(CONFIG_ARCH_BCM4908) += bcm4908-asus-gt-ac5300.dtb
+--- /dev/null
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
+@@ -0,0 +1,52 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++
++#include <dt-bindings/gpio/gpio.h>
++#include <dt-bindings/input/input.h>
++#include <dt-bindings/leds/common.h>
++
++#include "bcm4906.dtsi"
++
++/ {
++	compatible = "netgear,r8000p", "brcm,bcm4906", "brcm,bcm4908";
++	model = "Netgear R8000P";
++
++	memory@0 {
++		device_type = "memory";
++		reg = <0x00 0x00 0x00 0x20000000>;
++	};
++
++	leds {
++		compatible = "gpio-leds";
++
++		wps {
++			function = LED_FUNCTION_WPS;
++			color = <LED_COLOR_ID_WHITE>;
++			gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
++		};
++	};
++};
++
++&nandcs {
++	nand-ecc-strength = <4>;
++	nand-ecc-step-size = <512>;
++	nand-on-flash-bbt;
++
++	#address-cells = <1>;
++	#size-cells = <0>;
++
++	partitions {
++		compatible = "fixed-partitions";
++		#address-cells = <1>;
++		#size-cells = <1>;
++
++		partition@0 {
++			label = "cferom";
++			reg = <0x0 0x100000>;
++		};
++
++		partition@100000 {
++			label = "firmware";
++			reg = <0x100000 0x4400000>;
++		};
++	};
++};
+--- /dev/null
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906.dtsi
+@@ -0,0 +1,18 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++
++#include "bcm4908.dtsi"
++
++/ {
++	cpus {
++		/delete-node/ cpu@2;
++
++		/delete-node/ cpu@3;
++	};
++
++	pmu {
++		compatible = "arm,cortex-a53-pmu";
++		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
++			     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
++		interrupt-affinity = <&cpu0>, <&cpu1>;
++	};
++};
diff --git a/target/linux/bcm4908/patches-5.4/031-v5.12-0003-arm64-dts-broadcom-bcm4908-use-proper-NAND-binding.patch b/target/linux/bcm4908/patches-5.4/031-v5.12-0003-arm64-dts-broadcom-bcm4908-use-proper-NAND-binding.patch
new file mode 100644
index 0000000000..ccd260fadf
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/031-v5.12-0003-arm64-dts-broadcom-bcm4908-use-proper-NAND-binding.patch
@@ -0,0 +1,32 @@
+From 56098be85d19cd56b59d7b3854ea035cc8cb9e95 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Tue, 8 Dec 2020 11:49:50 +0100
+Subject: [PATCH 3/4] arm64: dts: broadcom: bcm4908: use proper NAND binding
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+BCM4908 has controller that needs different IRQ handling just like the
+BCM63138. Describe it properly.
+
+On Linux this change fixes:
+brcmstb_nand ff801800.nand: timeout waiting for command 0x9
+brcmstb_nand ff801800.nand: intfc status d0000000
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+@@ -164,7 +164,7 @@
+ 		nand@1800 {
+ 			#address-cells = <1>;
+ 			#size-cells = <0>;
+-			compatible = "brcm,brcmnand-v7.1", "brcm,brcmnand";
++			compatible = "brcm,nand-bcm63138", "brcm,brcmnand-v7.1", "brcm,brcmnand";
+ 			reg = <0x1800 0x600>, <0x2000 0x10>;
+ 			reg-names = "nand", "nand-int-base";
+ 			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/target/linux/bcm4908/patches-5.4/031-v5.12-0004-arm64-dts-broadcom-bcm4908-describe-PCIe-reset-contr.patch b/target/linux/bcm4908/patches-5.4/031-v5.12-0004-arm64-dts-broadcom-bcm4908-describe-PCIe-reset-contr.patch
new file mode 100644
index 0000000000..8ce4d69d8f
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/031-v5.12-0004-arm64-dts-broadcom-bcm4908-describe-PCIe-reset-contr.patch
@@ -0,0 +1,41 @@
+From 1b88c6ed26a1aa1d68d1661404e6e939709ff530 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Thu, 10 Dec 2020 08:21:54 +0100
+Subject: [PATCH 4/4] arm64: dts: broadcom: bcm4908: describe PCIe reset
+ controller
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This reset controller is a single register in the Broadcom's MISC block.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+@@ -177,6 +177,21 @@
+ 			};
+ 		};
+ 
++		misc@2600 {
++			compatible = "brcm,misc", "simple-mfd";
++			reg = <0x2600 0xe4>;
++
++			#address-cells = <1>;
++			#size-cells = <1>;
++			ranges = <0x00 0x2600 0xe4>;
++
++			reset-controller@2644 {
++				compatible = "brcm,bcm4908-misc-pcie-reset";
++				reg = <0x44 0x04>;
++				#reset-cells = <1>;
++			};
++		};
++
+ 		reboot {
+ 			compatible = "syscon-reboot";
+ 			regmap = <&timer>;
diff --git a/target/linux/bcm4908/patches-5.4/130-arm64-dts-broadcom-bcm4908-describe-internal-switch.patch b/target/linux/bcm4908/patches-5.4/130-arm64-dts-broadcom-bcm4908-describe-internal-switch.patch
new file mode 100644
index 0000000000..d039e04172
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/130-arm64-dts-broadcom-bcm4908-describe-internal-switch.patch
@@ -0,0 +1,183 @@
+From 12cda92893ea57cdd84a8ccfcc05946d7f3a1cd7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Tue, 12 Jan 2021 12:56:58 +0100
+Subject: [PATCH] arm64: dts: broadcom: bcm4908: describe internal switch
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+BCM4908 has internal switch with 5 GPHYs. Ports 0 - 3 are always
+connected to the internal PHYs. Remaining ports depend on device setup.
+
+Asus GT-AC5300 has an extra switch with its PHYs accessible using the
+internal MDIO.
+
+CPU port and Ethernet interface remain to be documented.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+ .../bcm4908/bcm4908-asus-gt-ac5300.dts        | 51 +++++++++++
+ .../boot/dts/broadcom/bcm4908/bcm4908.dtsi    | 85 ++++++++++++++++++-
+ 2 files changed, 135 insertions(+), 1 deletion(-)
+
+--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts
+@@ -44,6 +44,57 @@
+ 	};
+ };
+ 
++&ports {
++	port@0 {
++		label = "lan2";
++	};
++
++	port@1 {
++		label = "lan1";
++	};
++
++	port@2 {
++		label = "lan6";
++	};
++
++	port@3 {
++		label = "lan5";
++	};
++
++	/* External BCM53134S switch */
++	port@7 {
++		label = "sw";
++		reg = <7>;
++
++		fixed-link {
++			speed = <1000>;
++			full-duplex;
++		};
++	};
++};
++
++&mdio {
++	/* lan8 */
++	phy@0 {
++		reg = <0>;
++	};
++
++	/* lan7 */
++	phy@1 {
++		reg = <1>;
++	};
++
++	/* lan4 */
++	phy@2 {
++		reg = <2>;
++	};
++
++	/* lan3 */
++	phy@3 {
++		reg = <3>;
++	};
++};
++
+ &nandcs {
+ 	nand-ecc-strength = <4>;
+ 	nand-ecc-step-size = <512>;
+--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+@@ -108,7 +108,7 @@
+ 		compatible = "simple-bus";
+ 		#address-cells = <1>;
+ 		#size-cells = <1>;
+-		ranges = <0x00 0x00 0x80000000 0x10000>;
++		ranges = <0x00 0x00 0x80000000 0xd0000>;
+ 
+ 		usb@c300 {
+ 			compatible = "generic-ehci";
+@@ -130,6 +130,89 @@
+ 			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+ 			status = "disabled";
+ 		};
++
++		switch@80000 {
++			compatible = "simple-mfd";
++			#size-cells = <1>;
++			#address-cells = <1>;
++			ranges = <0 0x80000 0x50000>;
++
++			switch@0 {
++				compatible = "brcm,bcm4908-switch";
++				reg = <0x0 0x40000>,
++				      <0x40000 0x110>,
++				      <0x40340 0x30>,
++				      <0x40380 0x30>,
++				      <0x40600 0x34>,
++				      <0x40800 0x208>;
++				reg-names = "core", "reg", "intrl2_0",
++					    "intrl2_1", "fcb", "acb";
++				interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
++					     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
++				brcm,num-gphy = <5>;
++				brcm,num-rgmii-ports = <2>;
++
++				#address-cells = <1>;
++				#size-cells = <0>;
++
++				ports: ports {
++					#address-cells = <1>;
++					#size-cells = <0>;
++
++					port@0 {
++						reg = <0>;
++						phy-mode = "internal";
++						phy-handle = <&phy8>;
++					};
++
++					port@1 {
++						reg = <1>;
++						phy-mode = "internal";
++						phy-handle = <&phy9>;
++					};
++
++					port@2 {
++						reg = <2>;
++						phy-mode = "internal";
++						phy-handle = <&phy10>;
++					};
++
++					port@3 {
++						reg = <3>;
++						phy-mode = "internal";
++						phy-handle = <&phy11>;
++					};
++				};
++			};
++
++			mdio: mdio@405c0 {
++				compatible = "brcm,unimac-mdio";
++				reg = <0x405c0 0x8>;
++				reg-names = "mdio";
++				#size-cells = <1>;
++				#address-cells = <0>;
++
++				phy8: phy@8 {
++					reg = <8>;
++				};
++
++				phy9: phy@9 {
++					reg = <9>;
++				};
++
++				phy10: phy@a {
++					reg = <10>;
++				};
++
++				phy11: phy@b {
++					reg = <11>;
++				};
++
++				phy12: phy@c {
++					reg = <12>;
++				};
++			};
++		};
+ 	};
+ 
+ 	bus@ff800000 {
diff --git a/target/linux/bcm4908/patches-5.4/131-arm64-dts-broadcom-bcm4908-describe-PMB-block.patch b/target/linux/bcm4908/patches-5.4/131-arm64-dts-broadcom-bcm4908-describe-PMB-block.patch
new file mode 100644
index 0000000000..5b0ae7af1c
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/131-arm64-dts-broadcom-bcm4908-describe-PMB-block.patch
@@ -0,0 +1,53 @@
+From 11a7fb140af5cfa706a8d9c0a309247f020a8d0c Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Mon, 11 Jan 2021 08:15:35 +0100
+Subject: [PATCH] arm64: dts: broadcom: bcm4908: describe PMB block
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+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@milecki.pl>
+---
+Florian: this patch is based on top of the
+[PATCH] arm64: dts: broadcom: bcm4908: describe internal switch
+one. Both modify "ranges".
+---
+ .../boot/dts/broadcom/bcm4908/bcm4908.dtsi      | 17 ++++++++++++++++-
+ 1 file changed, 16 insertions(+), 1 deletion(-)
+
+--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+@@ -108,7 +108,7 @@
+ 		compatible = "simple-bus";
+ 		#address-cells = <1>;
+ 		#size-cells = <1>;
+-		ranges = <0x00 0x00 0x80000000 0xd0000>;
++		ranges = <0x00 0x00 0x80000000 0x281000>;
+ 
+ 		usb@c300 {
+ 			compatible = "generic-ehci";
+@@ -213,6 +213,21 @@
+ 				};
+ 			};
+ 		};
++
++		procmon: syscon@280000 {
++			compatible = "simple-mfd";
++			reg = <0x280000 0x1000>;
++			ranges;
++
++			#address-cells = <1>;
++			#size-cells = <1>;
++
++			power-controller@2800c0 {
++				compatible = "brcm,bcm4908-pmb";
++				reg = <0x2800c0 0x40>;
++				#power-domain-cells = <1>;
++			};
++		};
+ 	};
+ 
+ 	bus@ff800000 {