From: Jerome Brunet <jbrunet@baylibre.com>
To: Christian Hewitt <christianshewitt@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Kevin Hilman <khilman@baylibre.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Dongjin Kim <tobetter@hardkernel.com>
Subject: Re: [PATCH 3/3] arm64: dts: meson: add support for the ODROID-N2+
Date: Tue, 21 Jul 2020 11:14:19 +0200 [thread overview]
Message-ID: <1jo8o98c2c.fsf@starbuckisacylon.baylibre.com> (raw)
In-Reply-To: <20200719141034.8403-4-christianshewitt@gmail.com>
On Sun 19 Jul 2020 at 16:10, Christian Hewitt <christianshewitt@gmail.com> wrote:
> HardKernel ODROID-N2+ uses an Amlogic S922X rev. C chip capable of higher
> clock speeds than the original ODROID-N2. Hardkernel supports the big cpu
> cluster at 2.4GHz and the little cpu cluster at 2.0GHz. Opp points and
> regulator changess are from the HardKernel Linux kernel sources.
>
> Suggested-by: Dongjin Kim <tobetter@hardkernel.com>
> Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
> ---
> arch/arm64/boot/dts/amlogic/Makefile | 1 +
> .../dts/amlogic/meson-g12b-odroid-n2-plus.dts | 53 +++++++++++++++++++
> 2 files changed, 54 insertions(+)
> create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts
>
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index 5cac4d1d487d..6dc508b80133 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking-pro.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-plus.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-g12b-ugoos-am6.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-kii-pro.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts
> new file mode 100644
> index 000000000000..99e96be509f8
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts
> @@ -0,0 +1,53 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2019 BayLibre, SAS
> + * Author: Neil Armstrong <narmstrong@baylibre.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-g12b-odroid-n2.dtsi"
> +
> +/ {
> + compatible = "hardkernel,odroid-n2-plus", "amlogic,s922x", "amlogic,g12b";
> + model = "Hardkernel ODROID-N2+";
> +
> + vddcpu_a: regulator-vddcpu-a {
> + regulator-min-microvolt = <680000>;
> + regulator-max-microvolt = <1040000>;
> +
> + pwms = <&pwm_ab 0 1500 0>;
> + };
> +
> + vddcpu_b: regulator-vddcpu-b {
> + regulator-min-microvolt = <680000>;
> + regulator-max-microvolt = <1040000>;
> +
> + pwms = <&pwm_AO_cd 1 1500 0>;
> + };
> +
> + cpu_opp_table_0: opp-table-0 {
> + opp-1908000000 {
> + opp-hz = /bits/ 64 <1908000000>;
> + opp-microvolt = <1030000>;
> + };
> +
> + opp-2016000000 {
> + opp-hz = /bits/ 64 <2016000000>;
> + opp-microvolt = <1040000>;
> + };
> + };
> +
> + cpub_opp_table_1: opp-table-1 {
> + opp-2304000000 {
> + opp-hz = /bits/ 64 <2304000000>;
> + opp-microvolt = <1030000>;
> + };
> +
> + opp-2400000000 {
> + opp-hz = /bits/ 64 <2400000000>;
> + opp-microvolt = <1040000>;
> + };
> + };
Are this opp specific to the N2+ or S922x rev C ?
If it is the latter, shouldn't these be in s922x-revC dtsi ?
> +};
> +
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next prev parent reply other threads:[~2020-07-21 9:14 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-19 14:10 [PATCH 0/3] arm64: dts: meson: add support for ODROID-N2+ Christian Hewitt
2020-07-19 14:10 ` [PATCH 1/3] arm64: dts: meson: convert ODROID-N2 to dtsi Christian Hewitt
2020-07-21 8:06 ` Neil Armstrong
2020-07-19 14:10 ` [PATCH 2/3] dt-bindings: arm: amlogic: add support for the ODROID-N2+ Christian Hewitt
2020-07-23 21:10 ` Rob Herring
2020-07-19 14:10 ` [PATCH 3/3] arm64: dts: meson: " Christian Hewitt
2020-07-21 8:10 ` Neil Armstrong
2020-07-21 8:19 ` Neil Armstrong
2020-07-21 9:24 ` Dongjin Kim
2020-07-21 9:58 ` Christian Hewitt
2020-07-21 9:14 ` Jerome Brunet [this message]
2020-07-21 11:07 ` Christian Hewitt
2020-07-22 23:03 ` Stefan Agner
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