Re: [PATCH v3 1/4] dt-bindings: mfd: aspeed: support for AST2700
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2024-09-16 10:08:58
Also in:
linux-aspeed, linux-clk, linux-devicetree, lkml
On 16/09/2024 11:10, Ryan Chen wrote:
Add compatible support for AST2700 clk, reset, pinctrl, silicon-id for AST2700 scu.
Please wrap commit message according to Linux coding style / submission process (neither too early nor over the limit): https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/submitting-patches.rst#L597
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Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com> --- .../devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml index 86ee69c0f45b..127a357051cd 100644 --- a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml@@ -9,6 +9,8 @@ title: Aspeed System Control Unit description: The Aspeed System Control Unit manages the global behaviour of the SoC, configuring elements such as clocks, pinmux, and reset. + In AST2700 SOC which has two soc connection, each soc have its own scu + register control, ast2700-scu0 for soc0, ast2700-scu1 for soc1. maintainers: - Joel Stanley <joel@jms.id.au>@@ -21,6 +23,8 @@ properties: - aspeed,ast2400-scu - aspeed,ast2500-scu - aspeed,ast2600-scu + - aspeed,ast2700-scu0 + - aspeed,ast2700-scu1 - const: syscon - const: simple-mfd@@ -30,10 +34,12 @@ properties: ranges: true '#address-cells': - const: 1 + minimum: 1 + maximum: 2 '#size-cells': - const: 1 + minimum: 1 + maximum: 2
Why do the children have 64 bit addressing?
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'#clock-cells': const: 1@@ -56,6 +62,8 @@ patternProperties: - aspeed,ast2400-pinctrl - aspeed,ast2500-pinctrl - aspeed,ast2600-pinctrl + - aspeed,ast2700-soc0-pinctrl + - aspeed,ast2700-soc1-pinctrl
Are these devices different? Where is this binding documented (fully)? Provide link to lore patch in the changelog.
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required: - compatible@@ -76,6 +84,7 @@ patternProperties: - aspeed,ast2400-silicon-id - aspeed,ast2500-silicon-id - aspeed,ast2600-silicon-id + - aspeed,ast2700-silicon-id
This one is fine.
- const: aspeed,silicon-id
reg:Best regards, Krzysztof