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| author | Martin Kaiser <martin@kaiser.cx> | 2018-03-07 00:58:19 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2018-03-12 10:23:36 +0300 |
| commit | f4be9b77fac3d8141add1d84e75199f0e0ddd5a3 (patch) | |
| tree | f4000e76a6ab9a3fb5303747e5abfafca39c761a /arch | |
| parent | 5fba4ce6ad1896ebd78cf8d4457a7383e0279265 (diff) | |
| download | linux-f4be9b77fac3d8141add1d84e75199f0e0ddd5a3.tar.xz | |
ARM: dts: i.MX25: define SSI FIFO depth
According to the i.MX25 reference manuals, each SSI has four FIFOs. All
of those FIFOs can store up to 15 entries.
The fsl_ssi driver's internal default for the FIFO depth in 8. Set our
non-default FIFO depth explicitly in the Device Tree.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/imx25.dtsi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi index 972570568c01..cf70df20b19c 100644 --- a/arch/arm/boot/dts/imx25.dtsi +++ b/arch/arm/boot/dts/imx25.dtsi @@ -269,6 +269,7 @@ dmas = <&sdma 24 1 0>, <&sdma 25 1 0>; dma-names = "rx", "tx"; + fsl,fifo-depth = <15>; status = "disabled"; }; @@ -329,6 +330,7 @@ dmas = <&sdma 28 1 0>, <&sdma 29 1 0>; dma-names = "rx", "tx"; + fsl,fifo-depth = <15>; status = "disabled"; }; |