From: k.kozlowski@samsung.com (Krzysztof Kozlowski)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/7] bindings: spi-samsung: document the clocks and the clock-name property
Date: Fri, 8 Jul 2016 22:32:07 +0200 [thread overview]
Message-ID: <20160708203207.GB25980@kozik-lap> (raw)
In-Reply-To: <1467989201-14661-3-git-send-email-andi.shyti@samsung.com>
On Fri, Jul 08, 2016 at 11:46:36PM +0900, Andi Shyti wrote:
> These two properties were not documented but used in the spi
> dts. Add the related documentation.
>
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---
> Documentation/devicetree/bindings/spi/spi-samsung.txt | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt
> index 57d5539..2b7167e 100644
> --- a/Documentation/devicetree/bindings/spi/spi-samsung.txt
> +++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt
> @@ -24,6 +24,14 @@ Required SoC Specific Properties:
> - dma-names: Names for the dma channels. There must be at least one channel
> named "tx" for transmit and named "rx" for receive.
>
> +- clocks: specifies the clock IDs provided to the SPI controller; they are
> + required for interacting with the controller itself, for synchronizing the bus
> + and as I/O clock (the latter is required by exynos5433 and exynos7).
> +
> +- clock-names: string names of the clocks in the 'clocks' property; the names
> + mut be "spi", "spi_busclkN" and "spi_ioclk", where N is determined by
s/mut/must/
> + "samsung,spi-src-clk".
Thanks for taking care of this! Older SoCs (like s3c-s5p) even though
they do not set clk_from_cmu, it seems they required them as well...
this is a little bit strange but at least now the documentation matches
the driver.
I would only describe the difference in number of clocks in more
specific way, e.g.:
- clock-names: string names of the clocks in the 'clocks' property; for all
devices the names must be "spi", "spi_busclkN" (where N is determined by
"samsung,spi-src-clk"); for Exynos5433 it must contain third clock
named "spi_ioclk"
... or something similar.
Anyway in general:
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2016-07-08 20:32 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 14:46 [PATCH v2 0/7] spi s3c64xx ioclk handling Andi Shyti
2016-07-08 14:46 ` [PATCH v2 1/7] bindings: spi-samsung: add exynos5433 spi compatible Andi Shyti
2016-07-08 20:23 ` Krzysztof Kozlowski
2016-07-11 10:49 ` Sylwester Nawrocki
2016-07-14 16:33 ` Applied "spi: s3c64xx: add exynos5433 spi compatible" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 2/7] bindings: spi-samsung: document the clocks and the clock-name property Andi Shyti
2016-07-08 20:32 ` Krzysztof Kozlowski [this message]
2016-07-11 2:36 ` [PATCH v3] " Andi Shyti
2016-07-14 16:32 ` Applied "spi: s3c64xx: document the clocks and the clock-name property" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 3/7] spi: s3c64xx: rename goto labels to meaningful names Andi Shyti
2016-07-14 16:32 ` Applied "spi: s3c64xx: rename goto labels to meaningful names" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 4/7] spi: s3c64xx: use error code from clk_prepare_enable() Andi Shyti
2016-07-08 20:33 ` Krzysztof Kozlowski
2016-07-14 16:32 ` Applied "spi: s3c64xx: use error code from clk_prepare_enable()" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 5/7] spi: s3c64xx: add exynos5433 compatible for ioclk handling Andi Shyti
2016-07-08 16:13 ` Michael Turquette
2016-07-08 16:31 ` Andi Shyti
2016-07-08 20:39 ` Krzysztof Kozlowski
2016-07-14 16:32 ` Applied "spi: s3c64xx: add Exynos5433 compatible for ioclk handling" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 6/7] spi: s3c64xx: restore removed comments Andi Shyti
2016-07-08 16:17 ` Michael Turquette
2016-07-08 16:35 ` Andi Shyti
2016-07-11 10:33 ` Sylwester Nawrocki
2016-07-11 22:17 ` Michael Turquette
2016-07-12 12:16 ` Sylwester Nawrocki
2016-07-12 6:54 ` [PATCH v3 " Andi Shyti
2016-07-12 8:22 ` Mark Brown
2016-07-12 8:25 ` Andi Shyti
2016-07-12 9:00 ` Mark Brown
2016-07-12 18:07 ` Michael Turquette
2016-07-14 16:32 ` Applied "spi: s3c64xx: restore removed comments" to the spi tree Mark Brown
2016-07-08 20:35 ` [PATCH v2 6/7] spi: s3c64xx: restore removed comments Krzysztof Kozlowski
2016-07-08 14:46 ` [PATCH v2 7/7] clk: exynos5433: remove CLK_IGNORE_UNUSED flag from SPI clocks Andi Shyti
2016-07-11 10:58 ` Sylwester Nawrocki
2016-07-08 16:21 ` [PATCH v2 0/7] spi s3c64xx ioclk handling Michael Turquette
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