[PATCH 0/3] arm: bcmbca: add bcm6878 soc support

[PATCH 0/3] arm: bcmbca: add bcm6878 soc support

[Anand Gore]

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The initial support includes a bare-bone dts
for dual core ARM v7  with a pl011 uart.


Anand Gore (3):
  ARM: dts: add dts files for bcmbca soc 6878
  dt-bindings: arm: add BCM6878 soc to binding document
  MAINTAINERS: add bcm6878 to bcmbca arch entry

 .../bindings/arm/bcm/brcm,bcmbca.yaml         |   8 ++
 MAINTAINERS                                   |   1 +
 arch/arm/boot/dts/Makefile                    |   3 +-
 arch/arm/boot/dts/bcm6878.dtsi                | 109 ++++++++++++++++++
 arch/arm/boot/dts/bcm96878.dts                |  30 +++++
 5 files changed, 150 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/bcm6878.dtsi
 create mode 100644 arch/arm/boot/dts/bcm96878.dts

-- 
2.25.1


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[PATCH 0/3] arm: bcmbca: add bcm6878 soc support

[Anand Gore]

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The initial support includes a bare-bone dts
for dual core ARM v7  with a pl011 uart.


Anand Gore (3):
  ARM: dts: add dts files for bcmbca soc 6878
  dt-bindings: arm: add BCM6878 soc to binding document
  MAINTAINERS: add bcm6878 to bcmbca arch entry

 .../bindings/arm/bcm/brcm,bcmbca.yaml         |   8 ++
 MAINTAINERS                                   |   1 +
 arch/arm/boot/dts/Makefile                    |   3 +-
 arch/arm/boot/dts/bcm6878.dtsi                | 109 ++++++++++++++++++
 arch/arm/boot/dts/bcm96878.dts                |  30 +++++
 5 files changed, 150 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/bcm6878.dtsi
 create mode 100644 arch/arm/boot/dts/bcm96878.dts

-- 
2.25.1


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[PATCH 1/3] ARM: dts: add dts files for bcmbca soc 6878

[Anand Gore]

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Add dts for ARMv7 based broadband SoC BCM6878. bcm63178.dtsi is the
SoC description dts header and bcm96878.dts is a simple dts file for
Broadcom BCM96878 Reference board that only enable the UART port.

Signed-off-by: Anand Gore <anand.gore@broadcom.com>
---

 arch/arm/boot/dts/Makefile     |   3 +-
 arch/arm/boot/dts/bcm6878.dtsi | 109 +++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/bcm96878.dts |  30 +++++++++
 3 files changed, 141 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/bcm6878.dtsi
 create mode 100644 arch/arm/boot/dts/bcm96878.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d9ac59524408..553fef458926 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -183,7 +183,8 @@ dtb-$(CONFIG_ARCH_BRCMSTB) += \
 	bcm7445-bcm97445svmb.dtb
 dtb-$(CONFIG_ARCH_BCMBCA) += \
 	bcm947622.dtb \
-	bcm963178.dtb
+	bcm963178.dtb \
+	bcm96878.dtb
 dtb-$(CONFIG_ARCH_CLPS711X) += \
 	ep7211-edb7211.dtb
 dtb-$(CONFIG_ARCH_DAVINCI) += \
diff --git a/arch/arm/boot/dts/bcm6878.dtsi b/arch/arm/boot/dts/bcm6878.dtsi
new file mode 100644
index 000000000000..167a3f78f1f4
--- /dev/null
+++ b/arch/arm/boot/dts/bcm6878.dtsi
@@ -0,0 +1,109 @@
+// 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,bcm6878", "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";
+		};
+		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 9 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&CA7_0>, <&CA7_1>;
+	};
+
+	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 0x4000>;
+
+		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/bcm96878.dts b/arch/arm/boot/dts/bcm96878.dts
new file mode 100644
index 000000000000..8fbc175cb452
--- /dev/null
+++ b/arch/arm/boot/dts/bcm96878.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 Broadcom Ltd.
+ */
+
+/dts-v1/;
+
+#include "bcm6878.dtsi"
+
+/ {
+	model = "Broadcom BCM96878 Reference Board";
+	compatible = "brcm,bcm96878", "brcm,bcm6878", "brcm,bcmbca";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x08000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.25.1


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[PATCH 1/3] ARM: dts: add dts files for bcmbca soc 6878

[Anand Gore]

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Add dts for ARMv7 based broadband SoC BCM6878. bcm63178.dtsi is the
SoC description dts header and bcm96878.dts is a simple dts file for
Broadcom BCM96878 Reference board that only enable the UART port.

Signed-off-by: Anand Gore <anand.gore@broadcom.com>
---

 arch/arm/boot/dts/Makefile     |   3 +-
 arch/arm/boot/dts/bcm6878.dtsi | 109 +++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/bcm96878.dts |  30 +++++++++
 3 files changed, 141 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/bcm6878.dtsi
 create mode 100644 arch/arm/boot/dts/bcm96878.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d9ac59524408..553fef458926 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -183,7 +183,8 @@ dtb-$(CONFIG_ARCH_BRCMSTB) += \
 	bcm7445-bcm97445svmb.dtb
 dtb-$(CONFIG_ARCH_BCMBCA) += \
 	bcm947622.dtb \
-	bcm963178.dtb
+	bcm963178.dtb \
+	bcm96878.dtb
 dtb-$(CONFIG_ARCH_CLPS711X) += \
 	ep7211-edb7211.dtb
 dtb-$(CONFIG_ARCH_DAVINCI) += \
diff --git a/arch/arm/boot/dts/bcm6878.dtsi b/arch/arm/boot/dts/bcm6878.dtsi
new file mode 100644
index 000000000000..167a3f78f1f4
--- /dev/null
+++ b/arch/arm/boot/dts/bcm6878.dtsi
@@ -0,0 +1,109 @@
+// 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,bcm6878", "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";
+		};
+		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 9 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&CA7_0>, <&CA7_1>;
+	};
+
+	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 0x4000>;
+
+		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/bcm96878.dts b/arch/arm/boot/dts/bcm96878.dts
new file mode 100644
index 000000000000..8fbc175cb452
--- /dev/null
+++ b/arch/arm/boot/dts/bcm96878.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 Broadcom Ltd.
+ */
+
+/dts-v1/;
+
+#include "bcm6878.dtsi"
+
+/ {
+	model = "Broadcom BCM96878 Reference Board";
+	compatible = "brcm,bcm96878", "brcm,bcm6878", "brcm,bcmbca";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x08000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.25.1


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[PATCH 2/3] [PATCH] dt-bindings: arm: add BCM6878 soc to binding document

[Anand Gore]

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Add BCM6878 SOC device tree description to bcmbca binding document.

Signed-off-by: Anand Gore <anand.gore@broadcom.com>
---

 .../devicetree/bindings/arm/bcm/brcm,bcmbca.yaml          | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
index a63e355ba8f9..4b4af2b1f277 100644
--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
@@ -43,6 +43,14 @@ properties:
           - const: brcm,bcmbca
 
 
+      - description: BCM6878 based boards
+        items:
+          - enum:
+              - brcm,bcm96878
+          - const: brcm,bcm6878
+          - const: brcm,bcmbca
+
+
 additionalProperties: true
 
 ...
-- 
2.25.1


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[PATCH 2/3] [PATCH] dt-bindings: arm: add BCM6878 soc to binding document

[Anand Gore]

[-- Attachment #1.1: Type: text/plain, Size: 827 bytes --]

Add BCM6878 SOC device tree description to bcmbca binding document.

Signed-off-by: Anand Gore <anand.gore@broadcom.com>
---

 .../devicetree/bindings/arm/bcm/brcm,bcmbca.yaml          | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
index a63e355ba8f9..4b4af2b1f277 100644
--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
@@ -43,6 +43,14 @@ properties:
           - const: brcm,bcmbca
 
 
+      - description: BCM6878 based boards
+        items:
+          - enum:
+              - brcm,bcm96878
+          - const: brcm,bcm6878
+          - const: brcm,bcmbca
+
+
 additionalProperties: true
 
 ...
-- 
2.25.1


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[PATCH 3/3] MAINTAINERS: add bcm6878 to bcmbca arch entry

[Anand Gore]

[-- Attachment #1: Type: text/plain, Size: 506 bytes --]

Add bcm6858 related files to BCMBCA ARCH maintainer list entry

Signed-off-by: Anand Gore <anand.gore@broadcom.com>
---

 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 3ab33d0aeabf..551475841df6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3767,6 +3767,7 @@ F:	Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
 N:	bcmbca
 N:	bcm[9]?47622
 N:	bcm[9]?6858
+N:	bcm[9]?6878
 N:	bcm[9]?63178
 
 BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE
-- 
2.25.1


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[PATCH 3/3] MAINTAINERS: add bcm6878 to bcmbca arch entry

[Anand Gore]

[-- Attachment #1.1: Type: text/plain, Size: 506 bytes --]

Add bcm6858 related files to BCMBCA ARCH maintainer list entry

Signed-off-by: Anand Gore <anand.gore@broadcom.com>
---

 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 3ab33d0aeabf..551475841df6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3767,6 +3767,7 @@ F:	Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
 N:	bcmbca
 N:	bcm[9]?47622
 N:	bcm[9]?6858
+N:	bcm[9]?6878
 N:	bcm[9]?63178
 
 BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE
-- 
2.25.1


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Re: [PATCH 2/3] [PATCH] dt-bindings: arm: add BCM6878 soc to binding document

[Krzysztof Kozlowski]

On 27/05/2022 19:09, Anand Gore wrote:
> Add BCM6878 SOC device tree description to bcmbca binding document.
> 
> Signed-off-by: Anand Gore <anand.gore@broadcom.com>

Your subject is corrupted. Anyway you made it a bit over-complicated. No
need to say "to binding document" as the prefix explains it. So this
should be (don't forget the actual subarch prefix):

	dt-bindings: arm: brcm: add BCM6878 soc

Same applies to your other patches.

> ---
> 
>  .../devicetree/bindings/arm/bcm/brcm,bcmbca.yaml          | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
> index a63e355ba8f9..4b4af2b1f277 100644
> --- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
> +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
> @@ -43,6 +43,14 @@ properties:
>            - const: brcm,bcmbca
>  
>  
> +      - description: BCM6878 based boards
> +        items:
> +          - enum:
> +              - brcm,bcm96878
> +          - const: brcm,bcm6878
> +          - const: brcm,bcmbca
> +
> +

Same as before - no need for two blank lines.

>  additionalProperties: true
>  
>  ...


Best regards,
Krzysztof

Re: [PATCH 2/3] [PATCH] dt-bindings: arm: add BCM6878 soc to binding document

[Krzysztof Kozlowski]

On 27/05/2022 19:09, Anand Gore wrote:
> Add BCM6878 SOC device tree description to bcmbca binding document.
> 
> Signed-off-by: Anand Gore <anand.gore@broadcom.com>

Your subject is corrupted. Anyway you made it a bit over-complicated. No
need to say "to binding document" as the prefix explains it. So this
should be (don't forget the actual subarch prefix):

	dt-bindings: arm: brcm: add BCM6878 soc

Same applies to your other patches.

> ---
> 
>  .../devicetree/bindings/arm/bcm/brcm,bcmbca.yaml          | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
> index a63e355ba8f9..4b4af2b1f277 100644
> --- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
> +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml
> @@ -43,6 +43,14 @@ properties:
>            - const: brcm,bcmbca
>  
>  
> +      - description: BCM6878 based boards
> +        items:
> +          - enum:
> +              - brcm,bcm96878
> +          - const: brcm,bcm6878
> +          - const: brcm,bcmbca
> +
> +

Same as before - no need for two blank lines.

>  additionalProperties: true
>  
>  ...


Best regards,
Krzysztof

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