[PATCH v2 0/5] arm: bcmbca: introduce the bcmbca architecture and 47622 SOC

[PATCH v2 0/5] arm: bcmbca: introduce the bcmbca architecture and 47622 SOC

[William Zhang]

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This change introduces Broadcom's ARCH_BCMBCA architecture for
armv7 and armv8 based Broadband SoCs. We expect to send additional
patches for each SoC in the near future.

The first SoC supported in this arch is Broadcom's ARM A7 based 47622
SOC. The initial support includes a bare-bone dts for quad core ARM A7
with a ARM PL011 uart. Linux kernel image can be built with
multi_v7_defconfig.

Changes for V2:
* Update compatible string and node name in the 47622.dtsi
* Change Broadcom internal list from maintainer to reviewer in
MAINTAINERS


William Zhang (5):
  dt-bindings: arm: add bcmbca device tree binding document
  arm: bcmbca: add arch bcmbca machine entry
  ARM: dts: add dts files for bcmbca soc 47622
  MAINTAINERS: update MAINTAINERS file
  ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig

 .../bindings/arm/bcm/brcm,bcmbca.yaml         |  33 +++++
 MAINTAINERS                                   |  14 ++
 arch/arm/boot/dts/Makefile                    |   2 +
 arch/arm/boot/dts/bcm47622.dtsi               | 126 ++++++++++++++++++
 arch/arm/boot/dts/bcm947622.dts               |  30 +++++
 arch/arm/configs/multi_v7_defconfig           |   1 +
 arch/arm/mach-bcm/Kconfig                     |  12 ++
 7 files changed, 218 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
 create mode 100644 arch/arm/boot/dts/bcm47622.dtsi
 create mode 100644 arch/arm/boot/dts/bcm947622.dts

-- 
2.17.1


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[PATCH v2 0/5] arm: bcmbca: introduce the bcmbca architecture and 47622 SOC

[William Zhang]

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This change introduces Broadcom's ARCH_BCMBCA architecture for
armv7 and armv8 based Broadband SoCs. We expect to send additional
patches for each SoC in the near future.

The first SoC supported in this arch is Broadcom's ARM A7 based 47622
SOC. The initial support includes a bare-bone dts for quad core ARM A7
with a ARM PL011 uart. Linux kernel image can be built with
multi_v7_defconfig.

Changes for V2:
* Update compatible string and node name in the 47622.dtsi
* Change Broadcom internal list from maintainer to reviewer in
MAINTAINERS


William Zhang (5):
  dt-bindings: arm: add bcmbca device tree binding document
  arm: bcmbca: add arch bcmbca machine entry
  ARM: dts: add dts files for bcmbca soc 47622
  MAINTAINERS: update MAINTAINERS file
  ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig

 .../bindings/arm/bcm/brcm,bcmbca.yaml         |  33 +++++
 MAINTAINERS                                   |  14 ++
 arch/arm/boot/dts/Makefile                    |   2 +
 arch/arm/boot/dts/bcm47622.dtsi               | 126 ++++++++++++++++++
 arch/arm/boot/dts/bcm947622.dts               |  30 +++++
 arch/arm/configs/multi_v7_defconfig           |   1 +
 arch/arm/mach-bcm/Kconfig                     |  12 ++
 7 files changed, 218 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
 create mode 100644 arch/arm/boot/dts/bcm47622.dtsi
 create mode 100644 arch/arm/boot/dts/bcm947622.dts

-- 
2.17.1


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[PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[William Zhang]

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Add arch bcmbca device tree binding document for Broadcom ARM based
broadband SoC chipsets. In this change, only BCM47622 is added. Other
chipsets will be added in the future.

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---


 .../bindings/arm/bcm/brcm,bcmbca.yaml         | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml

diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
new file mode 100644
index 000000000000..5fb455840417
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/bcm/brcm,bcmbca.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Broadband SoC device tree bindings
+
+description:
+  Broadcom Broadband SoCs include family of high performance DSL/PON/Wireless
+  chips that can be used as home gateway, router and WLAN AP for residential,
+  enterprise and carrier applications.
+
+maintainers:
+  - William Zhang <william.zhang@broadcom.com>
+  - Anand Gore <anand.gore@broadcom.com>
+  - Kursad Oney <kursad.oney@broadcom.com>
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - description: BCM47622 based boards
+        items:
+          - enum:
+              - brcm,bcm947622
+          - const: brcm,bcm47622
+          - const: brcm,bcmbca
+
+additionalProperties: true
+
+...
-- 
2.17.1


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[PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[William Zhang]

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Add arch bcmbca device tree binding document for Broadcom ARM based
broadband SoC chipsets. In this change, only BCM47622 is added. Other
chipsets will be added in the future.

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---


 .../bindings/arm/bcm/brcm,bcmbca.yaml         | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml

diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
new file mode 100644
index 000000000000..5fb455840417
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/bcm/brcm,bcmbca.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Broadband SoC device tree bindings
+
+description:
+  Broadcom Broadband SoCs include family of high performance DSL/PON/Wireless
+  chips that can be used as home gateway, router and WLAN AP for residential,
+  enterprise and carrier applications.
+
+maintainers:
+  - William Zhang <william.zhang@broadcom.com>
+  - Anand Gore <anand.gore@broadcom.com>
+  - Kursad Oney <kursad.oney@broadcom.com>
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - description: BCM47622 based boards
+        items:
+          - enum:
+              - brcm,bcm947622
+          - const: brcm,bcm47622
+          - const: brcm,bcmbca
+
+additionalProperties: true
+
+...
-- 
2.17.1


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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Krzysztof Kozlowski]

On 13/04/2022 21:26, William Zhang wrote:
> Add arch bcmbca device tree binding document for Broadcom ARM based
> broadband SoC chipsets. In this change, only BCM47622 is added. Other
> chipsets will be added in the future.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>

I gave you here an ack. What happened?


Best regards,
Krzysztof

Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Krzysztof Kozlowski]

On 13/04/2022 21:26, William Zhang wrote:
> Add arch bcmbca device tree binding document for Broadcom ARM based
> broadband SoC chipsets. In this change, only BCM47622 is added. Other
> chipsets will be added in the future.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>

I gave you here an ack. What happened?


Best regards,
Krzysztof

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[William Zhang]

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Hi Krzysztof,

Yeah I saw your ack.  I guess I should put an ack-by in this v2 set? 
Still new to the upstream process and thanks for your help!

William

On 4/14/22 00:29, Krzysztof Kozlowski wrote:
> On 13/04/2022 21:26, William Zhang wrote:
>> Add arch bcmbca device tree binding document for Broadcom ARM based
>> broadband SoC chipsets. In this change, only BCM47622 is added. Other
>> chipsets will be added in the future.
>>
>> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> 
> I gave you here an ack. What happened?
> 
> 
> Best regards,
> Krzysztof

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[William Zhang]

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Hi Krzysztof,

Yeah I saw your ack.  I guess I should put an ack-by in this v2 set? 
Still new to the upstream process and thanks for your help!

William

On 4/14/22 00:29, Krzysztof Kozlowski wrote:
> On 13/04/2022 21:26, William Zhang wrote:
>> Add arch bcmbca device tree binding document for Broadcom ARM based
>> broadband SoC chipsets. In this change, only BCM47622 is added. Other
>> chipsets will be added in the future.
>>
>> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> 
> I gave you here an ack. What happened?
> 
> 
> Best regards,
> Krzysztof

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Krzysztof Kozlowski]

On 14/04/2022 19:38, William Zhang wrote:
> Hi Krzysztof,
> 
> Yeah I saw your ack.  I guess I should put an ack-by in this v2 set? 
> Still new to the upstream process and thanks for your help!

Yes, please add all tags before your Signed-off-by part.
https://elixir.bootlin.com/linux/v5.18-rc2/source/Documentation/process/submitting-patches.rst#L541


Best regards,
Krzysztof

Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Krzysztof Kozlowski]

On 14/04/2022 19:38, William Zhang wrote:
> Hi Krzysztof,
> 
> Yeah I saw your ack.  I guess I should put an ack-by in this v2 set? 
> Still new to the upstream process and thanks for your help!

Yes, please add all tags before your Signed-off-by part.
https://elixir.bootlin.com/linux/v5.18-rc2/source/Documentation/process/submitting-patches.rst#L541


Best regards,
Krzysztof

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[William Zhang]

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On 4/17/22 11:13, Krzysztof Kozlowski wrote:
> On 14/04/2022 19:38, William Zhang wrote:
>> Hi Krzysztof,
>>
>> Yeah I saw your ack.  I guess I should put an ack-by in this v2 set?
>> Still new to the upstream process and thanks for your help!
> 
> Yes, please add all tags before your Signed-off-by part.
> https://elixir.bootlin.com/linux/v5.18-rc2/source/Documentation/process/submitting-patches.rst#L541
> 
> 
Will add Acked-by: and Reviewed-by: tag in v3. Thanks!

> Best regards,
> Krzysztof

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[William Zhang]

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On 4/17/22 11:13, Krzysztof Kozlowski wrote:
> On 14/04/2022 19:38, William Zhang wrote:
>> Hi Krzysztof,
>>
>> Yeah I saw your ack.  I guess I should put an ack-by in this v2 set?
>> Still new to the upstream process and thanks for your help!
> 
> Yes, please add all tags before your Signed-off-by part.
> https://elixir.bootlin.com/linux/v5.18-rc2/source/Documentation/process/submitting-patches.rst#L541
> 
> 
Will add Acked-by: and Reviewed-by: tag in v3. Thanks!

> Best regards,
> Krzysztof

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Krzysztof Kozlowski]

On 13/04/2022 21:26, William Zhang wrote:
> Add arch bcmbca device tree binding document for Broadcom ARM based
> broadband SoC chipsets. In this change, only BCM47622 is added. Other
> chipsets will be added in the future.


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


Best regards,
Krzysztof

Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Krzysztof Kozlowski]

On 13/04/2022 21:26, William Zhang wrote:
> Add arch bcmbca device tree binding document for Broadcom ARM based
> broadband SoC chipsets. In this change, only BCM47622 is added. Other
> chipsets will be added in the future.


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


Best regards,
Krzysztof

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:41 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Add arch bcmbca device tree binding document for Broadcom ARM based
> broadband SoC chipsets. In this change, only BCM47622 is added. Other
> chipsets will be added in the future.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/devicetree/next, thanks!
--
Florian

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Re: [PATCH v2 1/5] dt-bindings: arm: add bcmbca device tree binding document

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:41 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Add arch bcmbca device tree binding document for Broadcom ARM based
> broadband SoC chipsets. In this change, only BCM47622 is added. Other
> chipsets will be added in the future.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/devicetree/next, thanks!
--
Florian

[PATCH v2 2/5] arm: bcmbca: add arch bcmbca machine entry

[William Zhang]

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Update mach-bcm Kconfig to add ARCH_BCMBCA config and select the
required configs for Broadcom Broadband SoC chipsets

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---


 arch/arm/mach-bcm/Kconfig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 8db655c3e321..f73a056bf560 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -218,4 +218,16 @@ config ARCH_BRCMSTB
 	  This enables support for Broadcom ARM-based set-top box chipsets,
 	  including the 7445 family of chips.
 
+config ARCH_BCMBCA
+	bool "Broadcom Broadband SoC"
+	depends on ARCH_MULTI_V7
+	select ARM_AMBA
+	select ARM_GIC
+	select HAVE_ARM_ARCH_TIMER
+	help
+	  Say Y if you intend to run the kernel on a Broadcom Broadband ARM-based
+	  BCA chipset.
+
+	  This enables support for Broadcom BCA ARM-based broadband chipsets,
+	  including the DSL, PON and Wireless family of chips.
 endif
-- 
2.17.1


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[PATCH v2 2/5] arm: bcmbca: add arch bcmbca machine entry

[William Zhang]

[-- Attachment #1.1: Type: text/plain, Size: 980 bytes --]

Update mach-bcm Kconfig to add ARCH_BCMBCA config and select the
required configs for Broadcom Broadband SoC chipsets

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---


 arch/arm/mach-bcm/Kconfig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 8db655c3e321..f73a056bf560 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -218,4 +218,16 @@ config ARCH_BRCMSTB
 	  This enables support for Broadcom ARM-based set-top box chipsets,
 	  including the 7445 family of chips.
 
+config ARCH_BCMBCA
+	bool "Broadcom Broadband SoC"
+	depends on ARCH_MULTI_V7
+	select ARM_AMBA
+	select ARM_GIC
+	select HAVE_ARM_ARCH_TIMER
+	help
+	  Say Y if you intend to run the kernel on a Broadcom Broadband ARM-based
+	  BCA chipset.
+
+	  This enables support for Broadcom BCA ARM-based broadband chipsets,
+	  including the DSL, PON and Wireless family of chips.
 endif
-- 
2.17.1


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Re: [PATCH v2 2/5] arm: bcmbca: add arch bcmbca machine entry

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:42 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Update mach-bcm Kconfig to add ARCH_BCMBCA config and select the
> required configs for Broadcom Broadband SoC chipsets
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/soc/next, thanks!
--
Florian

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Re: [PATCH v2 2/5] arm: bcmbca: add arch bcmbca machine entry

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:42 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Update mach-bcm Kconfig to add ARCH_BCMBCA config and select the
> required configs for Broadcom Broadband SoC chipsets
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/soc/next, thanks!
--
Florian

[PATCH v2 3/5] ARM: dts: add dts files for bcmbca soc 47622

[William Zhang]

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Add dts for ARMv7 based broadband SoC BCM47622. bcm47622.dtsi is the
SoC description dts header and bcm947622.dts is a simple dts file for
Broadcom BCM947622 Reference board that only enable the UART port.

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---

Changes for V2:
    * Update compatible string and node name in bcm47622.dtsi

 arch/arm/boot/dts/Makefile      |   2 +
 arch/arm/boot/dts/bcm47622.dtsi | 126 ++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/bcm947622.dts |  30 ++++++++
 3 files changed, 158 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm47622.dtsi
 create mode 100644 arch/arm/boot/dts/bcm947622.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7c16f8a2b738..ff0054d55590 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -179,6 +179,8 @@ dtb-$(CONFIG_ARCH_BERLIN) += \
 	berlin2q-marvell-dmp.dtb
 dtb-$(CONFIG_ARCH_BRCMSTB) += \
 	bcm7445-bcm97445svmb.dtb
+dtb-$(CONFIG_ARCH_BCMBCA) += \
+	bcm947622.dtb
 dtb-$(CONFIG_ARCH_CLPS711X) += \
 	ep7211-edb7211.dtb
 dtb-$(CONFIG_ARCH_DAVINCI) += \
diff --git a/arch/arm/boot/dts/bcm47622.dtsi b/arch/arm/boot/dts/bcm47622.dtsi
new file mode 100644
index 000000000000..c016e12b7372
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47622.dtsi
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 Broadcom Ltd.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	compatible = "brcm,bcm47622", "brcm,bcmbca";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	interrupt-parent = <&gic>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		CA7_0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x0>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+
+		CA7_1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x1>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+		CA7_2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x2>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+		CA7_3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x3>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+		L2_0: l2-cache0 {
+			compatible = "cache";
+		};
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+		arm,cpu-registers-not-fw-configured;
+	};
+
+	pmu: pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&CA7_0>, <&CA7_1>,
+			<&CA7_2>, <&CA7_3>;
+	};
+
+	clocks: clocks {
+		periph_clk: periph-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <200000000>;
+		};
+		uart_clk: uart-clk {
+			compatible = "fixed-factor-clock";
+			#clock-cells = <0>;
+			clocks = <&periph_clk>;
+			clock-div = <4>;
+			clock-mult = <1>;
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+		cpu_off = <1>;
+		cpu_on = <2>;
+	};
+
+	axi@81000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0x81000000 0x818000>;
+
+		gic: interrupt-controller@1000 {
+			compatible = "arm,cortex-a7-gic";
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+			interrupt-controller;
+			reg = <0x1000 0x1000>,
+				<0x2000 0x2000>;
+		};
+	};
+
+	bus@ff800000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0xff800000 0x800000>;
+
+		uart0: serial@12000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x12000 0x1000>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&uart_clk>, <&uart_clk>;
+			clock-names = "uartclk", "apb_pclk";
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/bcm947622.dts b/arch/arm/boot/dts/bcm947622.dts
new file mode 100644
index 000000000000..6f083724ab8e
--- /dev/null
+++ b/arch/arm/boot/dts/bcm947622.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 Broadcom Ltd.
+ */
+
+/dts-v1/;
+
+#include "bcm47622.dtsi"
+
+/ {
+	model = "Broadcom BCM947622 Reference Board";
+	compatible = "brcm,bcm947622", "brcm,bcm47622", "brcm,bcmbca";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x08000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.17.1


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[PATCH v2 3/5] ARM: dts: add dts files for bcmbca soc 47622

[William Zhang]

[-- Attachment #1.1: Type: text/plain, Size: 4880 bytes --]

Add dts for ARMv7 based broadband SoC BCM47622. bcm47622.dtsi is the
SoC description dts header and bcm947622.dts is a simple dts file for
Broadcom BCM947622 Reference board that only enable the UART port.

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---

Changes for V2:
    * Update compatible string and node name in bcm47622.dtsi

 arch/arm/boot/dts/Makefile      |   2 +
 arch/arm/boot/dts/bcm47622.dtsi | 126 ++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/bcm947622.dts |  30 ++++++++
 3 files changed, 158 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm47622.dtsi
 create mode 100644 arch/arm/boot/dts/bcm947622.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7c16f8a2b738..ff0054d55590 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -179,6 +179,8 @@ dtb-$(CONFIG_ARCH_BERLIN) += \
 	berlin2q-marvell-dmp.dtb
 dtb-$(CONFIG_ARCH_BRCMSTB) += \
 	bcm7445-bcm97445svmb.dtb
+dtb-$(CONFIG_ARCH_BCMBCA) += \
+	bcm947622.dtb
 dtb-$(CONFIG_ARCH_CLPS711X) += \
 	ep7211-edb7211.dtb
 dtb-$(CONFIG_ARCH_DAVINCI) += \
diff --git a/arch/arm/boot/dts/bcm47622.dtsi b/arch/arm/boot/dts/bcm47622.dtsi
new file mode 100644
index 000000000000..c016e12b7372
--- /dev/null
+++ b/arch/arm/boot/dts/bcm47622.dtsi
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 Broadcom Ltd.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	compatible = "brcm,bcm47622", "brcm,bcmbca";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	interrupt-parent = <&gic>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		CA7_0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x0>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+
+		CA7_1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x1>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+		CA7_2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x2>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+		CA7_3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x3>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+		L2_0: l2-cache0 {
+			compatible = "cache";
+		};
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+		arm,cpu-registers-not-fw-configured;
+	};
+
+	pmu: pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&CA7_0>, <&CA7_1>,
+			<&CA7_2>, <&CA7_3>;
+	};
+
+	clocks: clocks {
+		periph_clk: periph-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <200000000>;
+		};
+		uart_clk: uart-clk {
+			compatible = "fixed-factor-clock";
+			#clock-cells = <0>;
+			clocks = <&periph_clk>;
+			clock-div = <4>;
+			clock-mult = <1>;
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+		cpu_off = <1>;
+		cpu_on = <2>;
+	};
+
+	axi@81000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0x81000000 0x818000>;
+
+		gic: interrupt-controller@1000 {
+			compatible = "arm,cortex-a7-gic";
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+			interrupt-controller;
+			reg = <0x1000 0x1000>,
+				<0x2000 0x2000>;
+		};
+	};
+
+	bus@ff800000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0xff800000 0x800000>;
+
+		uart0: serial@12000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x12000 0x1000>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&uart_clk>, <&uart_clk>;
+			clock-names = "uartclk", "apb_pclk";
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/bcm947622.dts b/arch/arm/boot/dts/bcm947622.dts
new file mode 100644
index 000000000000..6f083724ab8e
--- /dev/null
+++ b/arch/arm/boot/dts/bcm947622.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 Broadcom Ltd.
+ */
+
+/dts-v1/;
+
+#include "bcm47622.dtsi"
+
+/ {
+	model = "Broadcom BCM947622 Reference Board";
+	compatible = "brcm,bcm947622", "brcm,bcm47622", "brcm,bcmbca";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x08000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.17.1


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_______________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH v2 3/5] ARM: dts: add dts files for bcmbca soc 47622

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:43 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Add dts for ARMv7 based broadband SoC BCM47622. bcm47622.dtsi is the
> SoC description dts header and bcm947622.dts is a simple dts file for
> Broadcom BCM947622 Reference board that only enable the UART port.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/devicetree/next, thanks!
--
Florian

Re: [PATCH v2 3/5] ARM: dts: add dts files for bcmbca soc 47622

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:43 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Add dts for ARMv7 based broadband SoC BCM47622. bcm47622.dtsi is the
> SoC description dts header and bcm947622.dts is a simple dts file for
> Broadcom BCM947622 Reference board that only enable the UART port.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/devicetree/next, thanks!
--
Florian

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[PATCH v2 4/5] MAINTAINERS: update MAINTAINERS file

[William Zhang]

[-- Attachment #1: Type: text/plain, Size: 1287 bytes --]

Add maintainers, SCM tree, files and directories for the new BCMBCA
arch. Only add 47622 for this change and will update in the future
when more SoCs are supported.

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---

Changes for V2:
    * Change Broadcom internal list from maintainer to reviewer

 MAINTAINERS | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 61d9f114c37f..382436f23c72 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3740,6 +3740,20 @@ F:	drivers/net/dsa/bcm_sf2*
 F:	include/linux/dsa/brcm.h
 F:	include/linux/platform_data/b53.h
 
+BROADCOM BCMBCA ARM ARCHITECTURE
+M:	William Zhang <william.zhang@broadcom.com>
+M:	Anand Gore <anand.gore@broadcom.com>
+M:	Kursad Oney <kursad.oney@broadcom.com>
+R:	Broadcom Kernel Team <bcm-kernel-feedback-list@broadcom.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+T:	git git://github.com/broadcom/stblinux.git
+F:	Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
+F:	arch/arm/boot/dts/bcm47622.dtsi
+F:	arch/arm/boot/dts/bcm947622.dts
+N:	bcmbca
+N:	bcm[9]?47622
+
 BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE
 M:	Nicolas Saenz Julienne <nsaenz@kernel.org>
 L:	bcm-kernel-feedback-list@broadcom.com
-- 
2.17.1


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[PATCH v2 4/5] MAINTAINERS: update MAINTAINERS file

[William Zhang]

[-- Attachment #1.1: Type: text/plain, Size: 1287 bytes --]

Add maintainers, SCM tree, files and directories for the new BCMBCA
arch. Only add 47622 for this change and will update in the future
when more SoCs are supported.

Signed-off-by: William Zhang <william.zhang@broadcom.com>
---

Changes for V2:
    * Change Broadcom internal list from maintainer to reviewer

 MAINTAINERS | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 61d9f114c37f..382436f23c72 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3740,6 +3740,20 @@ F:	drivers/net/dsa/bcm_sf2*
 F:	include/linux/dsa/brcm.h
 F:	include/linux/platform_data/b53.h
 
+BROADCOM BCMBCA ARM ARCHITECTURE
+M:	William Zhang <william.zhang@broadcom.com>
+M:	Anand Gore <anand.gore@broadcom.com>
+M:	Kursad Oney <kursad.oney@broadcom.com>
+R:	Broadcom Kernel Team <bcm-kernel-feedback-list@broadcom.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+T:	git git://github.com/broadcom/stblinux.git
+F:	Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
+F:	arch/arm/boot/dts/bcm47622.dtsi
+F:	arch/arm/boot/dts/bcm947622.dts
+N:	bcmbca
+N:	bcm[9]?47622
+
 BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE
 M:	Nicolas Saenz Julienne <nsaenz@kernel.org>
 L:	bcm-kernel-feedback-list@broadcom.com
-- 
2.17.1


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Re: [PATCH v2 4/5] MAINTAINERS: update MAINTAINERS file

[Florian Fainelli]

On 4/13/22 12:26, William Zhang wrote:
> Add maintainers, SCM tree, files and directories for the new BCMBCA
> arch. Only add 47622 for this change and will update in the future
> when more SoCs are supported.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to 
https://github.com/Broadcom/stblinux/commits/maintainers/next, thanks!
-- 
Florian

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH v2 4/5] MAINTAINERS: update MAINTAINERS file

[Florian Fainelli]

On 4/13/22 12:26, William Zhang wrote:
> Add maintainers, SCM tree, files and directories for the new BCMBCA
> arch. Only add 47622 for this change and will update in the future
> when more SoCs are supported.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> ---

Applied to 
https://github.com/Broadcom/stblinux/commits/maintainers/next, thanks!
-- 
Florian

[PATCH v2 5/5] ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig

[William Zhang]

[-- Attachment #1: Type: text/plain, Size: 705 bytes --]

Enable CONFIG_ARCH_BCMBCA in multi_v7_defconfig. This config can be
used to build a basic kernel for BCM47622 booting to console.

Signed-off-by: William Zhang <william.zhang@broadcom.com>

---


 arch/arm/configs/multi_v7_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 6e0c8c19b35c..8d333560bbca 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -29,6 +29,7 @@ CONFIG_ARCH_BCM2835=y
 CONFIG_ARCH_BCM_53573=y
 CONFIG_ARCH_BCM_63XX=y
 CONFIG_ARCH_BRCMSTB=y
+CONFIG_ARCH_BCMBCA=y
 CONFIG_ARCH_BERLIN=y
 CONFIG_MACH_BERLIN_BG2=y
 CONFIG_MACH_BERLIN_BG2CD=y
-- 
2.17.1


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[PATCH v2 5/5] ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig

[William Zhang]

[-- Attachment #1.1: Type: text/plain, Size: 705 bytes --]

Enable CONFIG_ARCH_BCMBCA in multi_v7_defconfig. This config can be
used to build a basic kernel for BCM47622 booting to console.

Signed-off-by: William Zhang <william.zhang@broadcom.com>

---


 arch/arm/configs/multi_v7_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 6e0c8c19b35c..8d333560bbca 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -29,6 +29,7 @@ CONFIG_ARCH_BCM2835=y
 CONFIG_ARCH_BCM_53573=y
 CONFIG_ARCH_BCM_63XX=y
 CONFIG_ARCH_BRCMSTB=y
+CONFIG_ARCH_BCMBCA=y
 CONFIG_ARCH_BERLIN=y
 CONFIG_MACH_BERLIN_BG2=y
 CONFIG_MACH_BERLIN_BG2CD=y
-- 
2.17.1


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Re: [PATCH v2 5/5] ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:45 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Enable CONFIG_ARCH_BCMBCA in multi_v7_defconfig. This config can be
> used to build a basic kernel for BCM47622 booting to console.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> 
> ---

Applied to https://github.com/Broadcom/stblinux/commits/defconfig/next, thanks!
--
Florian

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Re: [PATCH v2 5/5] ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig

[Florian Fainelli]

On Wed, 13 Apr 2022 12:26:45 -0700, William Zhang <william.zhang@broadcom.com> wrote:
> Enable CONFIG_ARCH_BCMBCA in multi_v7_defconfig. This config can be
> used to build a basic kernel for BCM47622 booting to console.
> 
> Signed-off-by: William Zhang <william.zhang@broadcom.com>
> 
> ---

Applied to https://github.com/Broadcom/stblinux/commits/defconfig/next, thanks!
--
Florian