diff mbox

[08/12] ARM: dts: r8a77470: Initial SoC device tree

Message ID 1522161443-54428-9-git-send-email-biju.das@bp.renesas.com (mailing list archive)
State New, archived
Headers show

Commit Message

Biju Das March 27, 2018, 2:37 p.m. UTC
The initial R8A77470 SoC device tree including CPU0, GIC, timer, SYSC, RST,
CPG, and the required clock descriptions.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
 arch/arm/boot/dts/r8a77470.dtsi | 156 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 arch/arm/boot/dts/r8a77470.dtsi

Comments

Geert Uytterhoeven March 28, 2018, 12:57 p.m. UTC | #1
Hi Biju,

On Tue, Mar 27, 2018 at 4:37 PM, Biju Das <biju.das@bp.renesas.com> wrote:
> The initial R8A77470 SoC device tree including CPU0, GIC, timer, SYSC, RST,
> CPG, and the required clock descriptions.
>
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>

Thanks for your patch!

> --- /dev/null
> +++ b/arch/arm/boot/dts/r8a77470.dtsi
> @@ -0,0 +1,156 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Source for the r8a77470 SoC
> + *
> + * Copyright (C) 2018 Renesas Electronics Corp.
> + */
> +
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/r8a7747x-cpg-mssr.h>
> +#include <dt-bindings/power/r8a7747x-sysc.h>

It is better to use numerical values for the initial submission, as
the dt-bindings
headers and the DTS files go upstream through different maintainer paths.

> +/ {
> +       compatible = "renesas,r8a77470";

> +       soc {

> +               icram2: sram@e6300000 {
> +                       compatible = "mmio-sram";
> +                       reg = <0 0xe6300000 0 0x40000>;

Size should be 0x20000 (half of other members in the RZ/G1 family)?

> +               };

With the above fixed:
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert
Biju Das March 28, 2018, 1:16 p.m. UTC | #2
Hi Geert,

Thanks for the feedback.

> On Tue, Mar 27, 2018 at 4:37 PM, Biju Das <biju.das@bp.renesas.com> wrote:
> > The initial R8A77470 SoC device tree including CPU0, GIC, timer, SYSC,
> > RST, CPG, and the required clock descriptions.
> >
> > Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> > Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
>
> Thanks for your patch!
>
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/r8a77470.dtsi
> > @@ -0,0 +1,156 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Device Tree Source for the r8a77470 SoC
> > + *
> > + * Copyright (C) 2018 Renesas Electronics Corp.
> > + */
> > +
> > +#include <dt-bindings/interrupt-controller/irq.h>
> > +#include <dt-bindings/interrupt-controller/arm-gic.h>
> > +#include <dt-bindings/clock/r8a7747x-cpg-mssr.h>
> > +#include <dt-bindings/power/r8a7747x-sysc.h>
>
> It is better to use numerical values for the initial submission, as the dt-bindings
> headers and the DTS files go upstream through different maintainer paths.
>
> > +/ {
> > +       compatible = "renesas,r8a77470";
>
> > +       soc {
>
> > +               icram2: sram@e6300000 {
> > +                       compatible = "mmio-sram";
> > +                       reg = <0 0xe6300000 0 0x40000>;
>
> Size should be 0x20000 (half of other members in the RZ/G1 family)?

Yes, you are correct. Will be fixed in V2.

> With the above fixed:
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-
> m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But when
> I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds



Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709.
diff mbox

Patch

diff --git a/arch/arm/boot/dts/r8a77470.dtsi b/arch/arm/boot/dts/r8a77470.dtsi
new file mode 100644
index 0000000..24e3da6
--- /dev/null
+++ b/arch/arm/boot/dts/r8a77470.dtsi
@@ -0,0 +1,156 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the r8a77470 SoC
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/r8a7747x-cpg-mssr.h>
+#include <dt-bindings/power/r8a7747x-sysc.h>
+/ {
+	compatible = "renesas,r8a77470";
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0>;
+			clock-frequency = <1000000000>;
+			clocks = <&cpg CPG_CORE R8A77470_CLK_Z2>;
+			power-domains = <&sysc R8A77470_PD_CA7_CPU0>;
+			next-level-cache = <&L2_CA7>;
+		};
+
+
+		L2_CA7: cache-controller-0 {
+			compatible = "cache";
+			cache-unified;
+			cache-level = <2>;
+			power-domains = <&sysc R8A77470_PD_CA7_SCU>;
+		};
+	};
+
+	/* External root clock */
+	extal_clk: extal {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		/* This value must be overridden by the board. */
+		clock-frequency = <0>;
+	};
+
+	/* External SCIF clock */
+	scif_clk: scif {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		/* This value must be overridden by the board. */
+		clock-frequency = <0>;
+	};
+
+	soc {
+		compatible = "simple-bus";
+		interrupt-parent = <&gic>;
+
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		cpg: clock-controller@e6150000 {
+			compatible = "renesas,r8a77470-cpg-mssr";
+			reg = <0 0xe6150000 0 0x1000>;
+			clocks = <&extal_clk>, <&usb_extal_clk>;
+			clock-names = "extal", "usb_extal";
+			#clock-cells = <2>;
+			#power-domain-cells = <0>;
+			#reset-cells = <1>;
+		};
+
+		rst: reset-controller@e6160000 {
+			compatible = "renesas,r8a77470-rst";
+			reg = <0 0xe6160000 0 0x100>;
+		};
+
+		sysc: system-controller@e6180000 {
+			compatible = "renesas,r8a77470-sysc";
+			reg = <0 0xe6180000 0 0x200>;
+			#power-domain-cells = <1>;
+		};
+
+		icram0:	sram@e63a0000 {
+			compatible = "mmio-sram";
+			reg = <0 0xe63a0000 0 0x12000>;
+		};
+
+		icram1:	sram@e63c0000 {
+			compatible = "mmio-sram";
+			reg = <0 0xe63c0000 0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0 0xe63c0000 0x1000>;
+
+			smp-sram@0 {
+				compatible = "renesas,smp-sram";
+				reg = <0 0x100>;
+			};
+		};
+
+		icram2:	sram@e6300000 {
+			compatible = "mmio-sram";
+			reg = <0 0xe6300000 0 0x40000>;
+		};
+
+		scif1: serial@e6e68000 {
+			compatible = "renesas,scif-r8a77470",
+				     "renesas,rcar-gen2-scif", "renesas,scif";
+			reg = <0 0xe6e68000 0 0x40>;
+			interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&cpg CPG_MOD 720>,
+				 <&cpg CPG_CORE R8A77470_CLK_ZS>, <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
+			resets = <&cpg 720>;
+			status = "disabled";
+		};
+
+		gic: interrupt-controller@f1001000 {
+			compatible = "arm,gic-400";
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+			interrupt-controller;
+			reg = <0 0xf1001000 0 0x1000>, <0 0xf1002000 0 0x2000>,
+			      <0 0xf1004000 0 0x2000>, <0 0xf1006000 0 0x2000>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+			clocks = <&cpg CPG_MOD 408>;
+			clock-names = "clk";
+			power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
+			resets = <&cpg 408>;
+		};
+
+	};
+
+	prr: chipid@ff000044 {
+		compatible = "renesas,prr";
+		reg = <0 0xff000044 0 4>;
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+
+	/* External USB clock - can be overridden by the board */
+	usb_extal_clk: usb_extal {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <48000000>;
+	};
+};