From: Rob Herring <robh@kernel.org>
To: Daniel Palmer <daniel@0x0f.com>
Cc: devicetree@vger.kernel.org, soc@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, olof@lixom.net, arnd@arndb.de,
w@1wt.eu
Subject: Re: [PATCH v2 01/10] dt-bindings: mstar: Add binding details for mstar,smpctrl
Date: Wed, 9 Dec 2020 10:35:36 -0600 [thread overview]
Message-ID: <20201209163536.GB566058@robh.at.kernel.org> (raw)
In-Reply-To: <20201201134330.3037007-2-daniel@0x0f.com>
On Tue, Dec 01, 2020 at 10:43:21PM +0900, Daniel Palmer wrote:
> This adds a YAML description of the smpctrl node needed by the
> platform code for the MStar/SigmaStar Armv7 SoCs to boot secondary cpus.
You need an 'enable-method' string defined too.
>
> Signed-off-by: Daniel Palmer <daniel@0x0f.com>
> ---
> .../bindings/arm/mstar/mstar,smpctrl.yaml | 40 +++++++++++++++++++
> 1 file changed, 40 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/mstar/mstar,smpctrl.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/mstar/mstar,smpctrl.yaml b/Documentation/devicetree/bindings/arm/mstar/mstar,smpctrl.yaml
> new file mode 100644
> index 000000000000..599c65980f5d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mstar/mstar,smpctrl.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2020 thingy.jp.
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/arm/mstar/mstar,smpctrl.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: MStar/SigmaStar Armv7 SoC SMP control registers
> +
> +maintainers:
> + - Daniel Palmer <daniel@thingy.jp>
> +
> +description: |
> + MStar/SigmaStar's Armv7 SoCs that have more than one processor
> + have a region of registers that allow setting the boot address
> + and a magic number that allows secondary processors to leave
> + the loop they are parked in by the boot ROM.
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - sstar,ssd201-smpctrl # SSD201/SSD202D
> + - const: mstar,smpctrl
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + smpctrl@204000 {
> + compatible = "sstar,ssd201-smpctrl", "mstar,smpctrl";
> + reg = <0x204000 0x200>;
> + };
> --
> 2.29.2
>
next prev parent reply other threads:[~2020-12-09 16:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-01 13:43 [PATCH v2 00/10] ARM: mstar: Add basic support for i2m and SMP Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 01/10] dt-bindings: mstar: Add binding details for mstar,smpctrl Daniel Palmer
2020-12-09 16:35 ` Rob Herring [this message]
2020-12-10 10:33 ` Daniel Palmer
[not found] ` <CAK8P3a0D+XQREm7Gw5-7-byiz7eufYGT_r-XC3H6_whdOB0a1w@mail.gmail.com>
2020-12-10 10:43 ` Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 02/10] dt-bindings: vendor-prefixes: Add honestar vendor prefix Daniel Palmer
2020-12-09 16:34 ` Rob Herring
2020-12-10 10:39 ` Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 03/10] dt-bindings: mstar: Add Honestar SSD201_HT_V2 to mstar boards Daniel Palmer
2020-12-09 16:36 ` Rob Herring
2020-12-01 13:43 ` [PATCH v2 04/10] ARM: mstar: Add infinity2m support Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 05/10] ARM: mstar: Add common dtsi for SSD201/SSD202D Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 06/10] ARM: mstar: Add chip level dtsi for SSD202D Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 07/10] ARM: mstar: Add dts for Honestar ssd201htv2 Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 08/10] ARM: mstar: Add smp ctrl registers to infinity2m dtsi Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 09/10] ARM: mstar: Wire up smpctrl for SSD201/SSD202D Daniel Palmer
2020-12-01 13:43 ` [PATCH v2 10/10] ARM: mstar: SMP support Daniel Palmer
2020-12-01 15:04 ` Russell King - ARM Linux admin
2020-12-02 9:10 ` Daniel Palmer
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