| Message ID | 20240625121128.145993-1-marex@denx.de (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: dts: imx8mp: Do not reconfigure Audio PLL2 on DH i.MX8M Plus DHCOM SoM | expand |
On Tue, Jun 25, 2024 at 02:11:09PM +0200, Marek Vasut wrote: > The DH i.MX8M Plus DHCOM SoM uses Audio PLL2 to supply clock to CLKOUT2 > output. Those clock are used to supply on-SoM TC9595 DSI-to-(e)DP bridge > with RefClk and must not be reconfigured, otherwise the bridge cannot > work correctly. Stop reconfiguring Audio PLL2 on this SoM. > > Fixes: f560da940e32 ("arm64: dts: imx8mp: Initialize audio PLLs from audiomix subsystem") > Signed-off-by: Marek Vasut <marex@denx.de> Applied, thanks!
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi index 5444be6f0ec2d..848df53c48685 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi @@ -78,6 +78,11 @@ &A53_3 { cpu-supply = <&buck2>; }; +&audio_blk_ctrl { + assigned-clocks = <&clk IMX8MP_AUDIO_PLL1>; + assigned-clock-rates = <393216000>; +}; + &ecspi1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ecspi1>;
The DH i.MX8M Plus DHCOM SoM uses Audio PLL2 to supply clock to CLKOUT2 output. Those clock are used to supply on-SoM TC9595 DSI-to-(e)DP bridge with RefClk and must not be reconfigured, otherwise the bridge cannot work correctly. Stop reconfiguring Audio PLL2 on this SoM. Fixes: f560da940e32 ("arm64: dts: imx8mp: Initialize audio PLLs from audiomix subsystem") Signed-off-by: Marek Vasut <marex@denx.de> --- Cc: Conor Dooley <conor+dt@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Cc: Fabio Estevam <festevam@gmail.com> Cc: Krzysztof Kozlowski <krzk+dt@kernel.org> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Rob Herring <robh@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Shengjiu Wang <shengjiu.wang@nxp.com> Cc: devicetree@vger.kernel.org Cc: imx@lists.linux.dev Cc: kernel@dh-electronics.com Cc: linux-arm-kernel@lists.infradead.org --- arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi | 5 +++++ 1 file changed, 5 insertions(+)