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Message-ID: <CAJF2gTQn+6pTjuiGf-febHhDHjVeJ78Zdywd+EkteeO0MEUGaw@mail.gmail.com>
Date: Sat, 29 Oct 2022 12:26:19 +0800
From: Guo Ren <guoren@...nel.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Heiko Stuebner <heiko@...ech.de>,
Conor Dooley <conor.dooley@...rochip.com>,
Anup Patel <anup@...infault.org>,
Atish Patra <atishp@...osinc.com>,
Heinrich Schuchardt <heinrich.schuchardt@...onical.com>,
devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
Biju Das <biju.das.jz@...renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v5 5/7] riscv: dts: renesas: Add minimal DTS for Renesas
RZ/Five SMARC EVK
This should combine with the previous one, which makes the patch complete.
On Sat, Oct 29, 2022 at 12:59 AM Prabhakar <prabhakar.csengg@...il.com> wrote:
>
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Enable the minimal blocks required for booting the Renesas RZ/Five
> SMARC EVK with initramfs.
>
> Below are the blocks which are enabled:
> - CPG
> - CPU0
> - DDR (memory regions)
> - PINCTRL
> - PLIC
> - SCIF0
>
> As we are reusing the RZ/G2UL SoC base DTSI [0], RZ/G2UL SMARC SoM [1] and
> carrier [2] board DTSIs which enables almost all the blocks supported
> by the RZ/G2UL SMARC EVK and whereas on RZ/Five SoC we will be gradually
> enabling the blocks hence the aliases for ETH/I2C are deleted and rest
> of the IP blocks are marked as disabled/deleted.
>
> [0] arch/arm64/boot/dts/renesas/r9a07g043.dtsi
> [1] arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
> [2] arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v4 -> v5
> * Reworked completely (sort of new patch)
>
> v3 -> v4
> * Dropped deleting place holder nodes
> * Updated SW1 settings comment
> * Update commit message
>
> v2 -> v3
> * Dropped RB tags from Conor and Geert
> * Now re-using the SoM and carrier board DTS/I from RZ/G2UL
>
> v1 -> v2
> * New patch
> ---
> arch/riscv/boot/dts/Makefile | 1 +
> arch/riscv/boot/dts/renesas/Makefile | 2 +
> .../boot/dts/renesas/r9a07g043f01-smarc.dts | 27 ++++++
> .../boot/dts/renesas/rzfive-smarc-som.dtsi | 58 ++++++++++++
> arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi | 91 +++++++++++++++++++
> 5 files changed, 179 insertions(+)
> create mode 100644 arch/riscv/boot/dts/renesas/Makefile
> create mode 100644 arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
> create mode 100644 arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
> create mode 100644 arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
>
> diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
> index ff174996cdfd..b0ff5fbabb0c 100644
> --- a/arch/riscv/boot/dts/Makefile
> +++ b/arch/riscv/boot/dts/Makefile
> @@ -3,5 +3,6 @@ subdir-y += sifive
> subdir-y += starfive
> subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan
> subdir-y += microchip
> +subdir-y += renesas
>
> obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y))
> diff --git a/arch/riscv/boot/dts/renesas/Makefile b/arch/riscv/boot/dts/renesas/Makefile
> new file mode 100644
> index 000000000000..2d3f5751a649
> --- /dev/null
> +++ b/arch/riscv/boot/dts/renesas/Makefile
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043f01-smarc.dtb
> diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
> new file mode 100644
> index 000000000000..2aa8515451d3
> --- /dev/null
> +++ b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
> @@ -0,0 +1,27 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +/*
> + * Device Tree Source for the RZ/Five SMARC EVK
> + *
> + * Copyright (C) 2022 Renesas Electronics Corp.
> + */
> +
> +/dts-v1/;
> +
> +/*
> + * DIP-Switch SW1 setting
> + * 1 : High; 0: Low
> + * SW1-2 : SW_SD0_DEV_SEL (0: uSD; 1: eMMC)
> + * SW1-3 : SW_ET0_EN_N (0: ETHER0; 1: CAN0, CAN1, SSI1, RSPI1)
> + * Please change below macros according to SW1 setting on the SoM
> + */
> +#define SW_SW0_DEV_SEL 1
> +#define SW_ET0_EN_N 1
> +
> +#include "r9a07g043f.dtsi"
> +#include "rzfive-smarc-som.dtsi"
> +#include "rzfive-smarc.dtsi"
> +
> +/ {
> + model = "Renesas SMARC EVK based on r9a07g043f01";
> + compatible = "renesas,smarc-evk", "renesas,r9a07g043f01", "renesas,r9a07g043";
> +};
> diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
> new file mode 100644
> index 000000000000..45a182fa3b4b
> --- /dev/null
> +++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
> @@ -0,0 +1,58 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +/*
> + * Device Tree Source for the RZ/Five SMARC EVK SOM
> + *
> + * Copyright (C) 2022 Renesas Electronics Corp.
> + */
> +
> +#include <arm64/renesas/rzg2ul-smarc-som.dtsi>
> +
> +/ {
> + aliases {
> + /delete-property/ ethernet0;
> + /delete-property/ ethernet1;
> + };
> +
> + chosen {
> + bootargs = "ignore_loglevel";
> + };
> +
> + /delete-node/opp-table-0;
> + /delete-node/thermal-zones;
> +};
> +
> +&adc {
> + status = "disabled";
> +};
> +
> +&dmac {
> + status = "disabled";
> +};
> +
> +ð0 {
> + status = "disabled";
> +};
> +
> +ð1 {
> + status = "disabled";
> +};
> +
> +&ostm1 {
> + status = "disabled";
> +};
> +
> +&ostm2 {
> + status = "disabled";
> +};
> +
> +&sdhi0 {
> + status = "disabled";
> +};
> +
> +&tsu {
> + status = "disabled";
> +};
> +
> +&wdt0 {
> + status = "disabled";
> +};
> diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
> new file mode 100644
> index 000000000000..e64f0e5f8e30
> --- /dev/null
> +++ b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
> @@ -0,0 +1,91 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +/*
> + * Device Tree Source for the RZ/Five SMARC EVK carrier board
> + *
> + * Copyright (C) 2022 Renesas Electronics Corp.
> + */
> +
> +#include <arm64/renesas/rzg2ul-smarc.dtsi>
> +
> +/ {
> + aliases {
> + /delete-property/ i2c0;
> + /delete-property/ i2c1;
> + };
> +};
> +
> +&canfd {
> + status = "disabled";
> +
> + channel0 {
> + status = "disabled";
> + };
> +
> + channel1 {
> + status = "disabled";
> + };
> +};
> +
> +&ehci0 {
> + status = "disabled";
> +};
> +
> +&ehci1 {
> + status = "disabled";
> +};
> +
> +&hsusb {
> + status = "disabled";
> +};
> +
> +&i2c0 {
> + status = "disabled";
> +};
> +
> +&i2c1 {
> + status = "disabled";
> +};
> +
> +&ohci0 {
> + status = "disabled";
> +};
> +
> +&ohci1 {
> + status = "disabled";
> +};
> +
> +&phyrst {
> + status = "disabled";
> +};
> +
> +&sdhi1 {
> + status = "disabled";
> +};
> +
> +&snd_rzg2l {
> + status = "disabled";
> +};
> +
> +&spi1 {
> + status = "disabled";
> +};
> +
> +&ssi1 {
> + status = "disabled";
> +};
> +
> +&usb0_vbus_otg {
> + status = "disabled";
> +};
> +
> +&usb2_phy0 {
> + status = "disabled";
> +};
> +
> +&usb2_phy1 {
> + status = "disabled";
> +};
> +
> +&vccq_sdhi1 {
> + status = "disabled";
> +};
> --
> 2.25.1
>
--
Best Regards
Guo Ren
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