From: Andrey Smirnov <andrew.smirnov@gmail.com> Date: Fri, 29 Mar 2019 06:49:18 +0000 (-0700) Subject: ARM: dts: imx7d: Specify IMX7D_CLK_IPG as "ipg" clock to SDMA X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=412b032a1dc72fc9d1c258800355efa6671b6315;p=linux.git ARM: dts: imx7d: Specify IMX7D_CLK_IPG as "ipg" clock to SDMA Since 25aaa75df1e6 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 IMX7D_CLK_SDMA results in driver incorrectly thinking that ratio is 1:1 which results in broken SDMA funtionality. Fix the code to specify IMX7D_CLK_IPG as "ipg" 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> --- diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi index 3286838105c63..0b01109ac0a94 100644 --- a/arch/arm/boot/dts/imx7s.dtsi +++ b/arch/arm/boot/dts/imx7s.dtsi @@ -1155,8 +1155,8 @@ compatible = "fsl,imx7d-sdma", "fsl,imx35-sdma"; reg = <0x30bd0000 0x10000>; interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX7D_SDMA_CORE_CLK>, - <&clks IMX7D_AHB_CHANNEL_ROOT_CLK>; + clocks = <&clks IMX7D_IPG_ROOT_CLK>, + <&clks IMX7D_SDMA_CORE_CLK>; clock-names = "ipg", "ahb"; #dma-cells = <3>; fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin";