From: Rob Herring <robh@kernel.org>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Cc: shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
p.zabel@pengutronix.de, l.stach@pengutronix.de, krzk@kernel.org,
agx@sigxcpu.org, marex@denx.de, andrew.smirnov@gmail.com,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, ping.bai@nxp.com,
frieder.schrempf@kontron.de, aford173@gmail.com,
abel.vesa@nxp.com, Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH V2 2/4] Documentation: bindings: clk: Add bindings for i.MX BLK_CTL
Date: Wed, 5 May 2021 18:08:59 -0500 [thread overview]
Message-ID: <20210505230859.GA3010875@robh.at.kernel.org> (raw)
In-Reply-To: <20210430052746.10815-3-peng.fan@oss.nxp.com>
On Fri, Apr 30, 2021 at 01:27:44PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> Document the i.MX BLK_CTL with its devicetree properties.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> .../bindings/soc/imx/fsl,imx-blk-ctl.yaml | 73 +++++++++++++++++++
> 1 file changed, 73 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx-blk-ctl.yaml
>
> diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx-blk-ctl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx-blk-ctl.yaml
> new file mode 100644
> index 000000000000..a491b63de50c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx-blk-ctl.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/imx/fsl,imx-blk-ctl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP i.MX BLK_CTL
> +
> +maintainers:
> + - Peng Fan <peng.fan@nxp.com>
> +
> +description:
> + i.MX BLK_CTL is a conglomerate of different GPRs that are
> + dedicated to a specific subsystem. It usually contains
> + clocks and resets amongst other things. Here we take the clocks
> + and resets as virtual PDs, the reason we could not take it as
> + clock provider is there is A/B lock issue between power domain
> + and clock.
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - fsl,imx8mm-dispmix-blk-ctl
> + - fsl,imx8mm-vpumix-blk-ctl
> + - const: syscon
> +
> + reg:
> + maxItems: 1
> +
> + "#power-domain-cells":
> + const: 1
> +
> + power-domains:
> + minItems: 1
> + maxItems: 32
> +
> + power-domain-names:
> + minItems: 1
> + maxItems: 32
Please describe why there's a range and we don't enumerate each entry.
> +
> + '#reset-cells':
> + const: 1
> +
> + clocks:
> + minItems: 1
> + maxItems: 32
> +
> + clock-names:
> + minItems: 1
> + maxItems: 32
> +
> +required:
> + - compatible
> + - reg
> + - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/imx8mm-clock.h>
> +
> + dispmix_blk_ctl: blk-ctl@32e28000 {
> + compatible = "fsl,imx8mm-dispmix-blk-ctl", "syscon";
> + reg = <0x32e28000 0x100>;
> + #power-domain-cells = <1>;
> + power-domains = <&pgc_dispmix>, <&pgc_mipi>;
> + power-domain-names = "dispmix", "mipi";
> + clocks = <&clk IMX8MM_CLK_DISP_ROOT>, <&clk IMX8MM_CLK_DISP_AXI_ROOT>,
> + <&clk IMX8MM_CLK_DISP_APB_ROOT>;
> + clock-names = "disp", "axi", "apb";
> + };
> --
> 2.30.0
>
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next prev parent reply other threads:[~2021-05-05 23:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-30 5:27 [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support Peng Fan (OSS)
2021-04-30 5:27 ` [PATCH V2 1/4] dt-bindings: power: Add defines for i.MX8MM BLK-CTL power domains Peng Fan (OSS)
2021-04-30 5:27 ` [PATCH V2 2/4] Documentation: bindings: clk: Add bindings for i.MX BLK_CTL Peng Fan (OSS)
2021-05-05 23:08 ` Rob Herring [this message]
2021-05-06 0:50 ` Peng Fan (OSS)
2021-04-30 5:27 ` [PATCH V2 3/4] soc: imx: Add generic blk-ctl driver Peng Fan (OSS)
2021-05-04 9:47 ` Lucas Stach
2021-05-04 10:30 ` Peng Fan (OSS)
2021-05-04 10:16 ` Frieder Schrempf
2021-05-04 11:22 ` Peng Fan (OSS)
2021-05-06 7:55 ` Frieder Schrempf
2021-04-30 5:27 ` [PATCH V2 4/4] soc: imx: Add blk-ctl driver for i.MX8MM Peng Fan (OSS)
2021-05-04 10:25 ` Frieder Schrempf
2021-05-04 11:13 ` Fabio Estevam
2021-05-04 11:22 ` Peng Fan
2021-04-30 6:19 ` [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support Peng Fan
2021-05-03 14:57 ` Frieder Schrempf
2021-05-04 8:55 ` Frieder Schrempf
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