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ARM: dts: imx50: Specify IMX5_CLK_IPG as "ahb" clock to SDMA

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Since 25aaa75df1 SDMA driver uses clock rates of "ipg" and "ahb"
clock to determine if it needs to configure the IP block as operating
at 1:1 or 1:2 clock ratio (ACR bit in SDMAARM_CONFIG). Specifying both
clocks as IMX5_CLK_SDMA results in driver incorrectly thinking that
ratio is 1:1 which results in broken SDMA funtionality. Fix the code
to specify IMX5_CLK_AHB as "ahb" clock for SDMA, to avoid detecting
incorrect clock ratio.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Andrey Smirnov 2019-03-28 23:49:24 -07:00 committed by Shawn Guo
parent 918bbde808
commit b7b4fda263
1 changed files with 1 additions and 1 deletions
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2
arch/arm/boot/dts/imx50.dtsi
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@ -430,7 +430,7 @@ sdma: sdma@63fb0000 {
reg = <0x63fb0000 0x4000>;
interrupts = <6>;
clocks = <&clks IMX5_CLK_SDMA_GATE>,
<&clks IMX5_CLK_SDMA_GATE>;
<&clks IMX5_CLK_AHB>;
clock-names = "ipg", "ahb";
#dma-cells = <3>;
fsl,sdma-ram-script-name = "imx/sdma/sdma-imx50.bin";