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Date: Sat, 26 Oct 2019 21:42:46 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Stefan-Gabriel Mirea <stefan-gabriel.mirea@....com>
Cc: corbet@....net, robh+dt@...nel.org, mark.rutland@....com,
gregkh@...uxfoundation.org, catalin.marinas@....com,
will@...nel.org, leoyang.li@....com, jslaby@...e.com,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Stoica Cosmin-Stefan <cosmin.stoica@....com>,
Dan Nica <dan.nica@....com>,
Larisa Grigore <Larisa.Grigore@....com>
Subject: Re: [PATCH v7 4/5] arm64: dts: fsl: Add device tree for S32V234-EVB
On Wed, Oct 16, 2019 at 03:48:26PM +0300, Stefan-Gabriel Mirea wrote:
> From: Stoica Cosmin-Stefan <cosmin.stoica@....com>
>
> Add initial version of device tree for S32V234-EVB, including nodes for the
> 4 Cortex-A53 cores, AIPS bus with UART modules, ARM architected timer and
> Generic Interrupt Controller (GIC).
>
> Keep SoC level separate from board level to let future boards with this SoC
> share common properties, while the dts files will keep board-dependent
> properties.
>
> Signed-off-by: Stoica Cosmin-Stefan <cosmin.stoica@....com>
> Signed-off-by: Mihaela Martinas <Mihaela.Martinas@...escale.com>
> Signed-off-by: Dan Nica <dan.nica@....com>
> Signed-off-by: Larisa Grigore <Larisa.Grigore@....com>
> Signed-off-by: Phu Luu An <phu.luuan@....com>
> Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@....com>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 2 +
> arch/arm64/boot/dts/freescale/s32v234-evb.dts | 25 ++++
> arch/arm64/boot/dts/freescale/s32v234.dtsi | 139 ++++++++++++++++++
> 3 files changed, 166 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/s32v234-evb.dts
> create mode 100644 arch/arm64/boot/dts/freescale/s32v234.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 93fce8f0c66d..730209adb2bc 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -32,3 +32,5 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mq-zii-ultra-rmb3.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mq-zii-ultra-zest.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8qxp-ai_ml.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
> +
> +dtb-$(CONFIG_ARCH_S32) += s32v234-evb.dtb
> diff --git a/arch/arm64/boot/dts/freescale/s32v234-evb.dts b/arch/arm64/boot/dts/freescale/s32v234-evb.dts
> new file mode 100644
> index 000000000000..4b802518cefc
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/s32v234-evb.dts
> @@ -0,0 +1,25 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +/*
> + * Copyright 2015-2016 Freescale Semiconductor, Inc.
> + * Copyright 2016-2017 NXP
> + */
> +
> +/dts-v1/;
> +#include "s32v234.dtsi"
> +
> +/ {
> + model = "NXP S32V234-EVB2 Board";
> + compatible = "fsl,s32v234-evb", "fsl,s32v234";
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/freescale/s32v234.dtsi b/arch/arm64/boot/dts/freescale/s32v234.dtsi
> new file mode 100644
> index 000000000000..37225191ccbf
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/s32v234.dtsi
> @@ -0,0 +1,139 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +/*
> + * Copyright 2015-2016 Freescale Semiconductor, Inc.
> + * Copyright 2016-2018 NXP
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +/memreserve/ 0x80000000 0x00010000;
> +
> +/ {
> + compatible = "fsl,s32v234";
> + interrupt-parent = <&gic>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + };
> +
> + cpus {
> + #address-cells = <2>;
> + #size-cells = <0>;
> +
> + cpu0: cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x0>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x80000000>;
> + next-level-cache = <&cluster0_l2_cache>;
> + };
> +
> + cpu1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x1>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x80000000>;
> + next-level-cache = <&cluster0_l2_cache>;
> + };
> +
> + cpu2: cpu@100 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x100>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x80000000>;
> + next-level-cache = <&cluster1_l2_cache>;
> + };
> +
> + cpu3: cpu@101 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x101>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x80000000>;
> + next-level-cache = <&cluster1_l2_cache>;
> + };
> +
> + cluster0_l2_cache: l2-cache0 {
> + compatible = "cache";
> + };
> +
> + cluster1_l2_cache: l2-cache1 {
> + compatible = "cache";
> + };
> + };
> +
> + timer {
> + compatible = "arm,armv8-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)>;
> + /* clock-frequency might be modified by u-boot, depending on the
> + * chip version.
> + */
> + clock-frequency = <10000000>;
> + };
> +
> + gic: interrupt-controller@...01000 {
> + compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
> + #interrupt-cells = <3>;
> + #address-cells = <0>;
> + interrupt-controller;
> + reg = <0 0x7d001000 0 0x1000>,
> + <0 0x7d002000 0 0x2000>,
> + <0 0x7d004000 0 0x2000>,
> + <0 0x7d006000 0 0x2000>;
> + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + };
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + compatible = "simple-bus";
> + interrupt-parent = <&gic>;
> + ranges;
> +
> + aips0: aips-bus@...00000 {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + interrupt-parent = <&gic>;
> + reg = <0x0 0x40000000 0x0 0x7D000>;
We should consistently use lowercase for hex values in device tree.
I fixed it up during applying.
Shawn
> + ranges;
> +
> + uart0: serial@...53000 {
> + compatible = "fsl,s32v234-linflexuart";
> + reg = <0x0 0x40053000 0x0 0x1000>;
> + interrupts = <GIC_SPI 59 IRQ_TYPE_EDGE_RISING>;
> + status = "disabled";
> + };
> + };
> +
> + aips1: aips-bus@...80000 {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + interrupt-parent = <&gic>;
> + reg = <0x0 0x40080000 0x0 0x70000>;
> + ranges;
> +
> + uart1: serial@...bc000 {
> + compatible = "fsl,s32v234-linflexuart";
> + reg = <0x0 0x400bc000 0x0 0x1000>;
> + interrupts = <GIC_SPI 60 IRQ_TYPE_EDGE_RISING>;
> + status = "disabled";
> + };
> + };
> + };
> +};
> --
> 2.22.0
>
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