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SubjectRe: [PATCH] ARM: dts: imx7d: fix LCDIF clock assignment
On Tue, Nov 22, 2016 at 10:42 PM, Stefan Agner <> wrote:
> The eLCDIF IP of the i.MX 7 SoC knows multiple clocks and lists them
> separately:
> Clock Clock Root Description
> apb_clk MAIN_AXI_CLK_ROOT AXI clock
> pix_clk LCDIF_PIXEL_CLK_ROOT Pixel clock
> ipg_clk_s MAIN_AXI_CLK_ROOT Peripheral access clock
> All of them are switched by a single gate, which is part of the
> IMX7D_LCDIF_PIXEL_ROOT_CLK clock. Hence using that clock also for
> the AXI bus clock (clock-name "axi") makes sure the gate gets
> enabled when accessing registers.
> There seem to be no separate AXI display clock, and the clock is
> optional. Hence remove the dummy clock.
> This fixes kernel freezes when starting the X-Server (which
> disables/re-enables the display controller).
> Signed-off-by: Stefan Agner <>

Reviewed-by: Fabio Estevam <>

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