From d395855a4ef6f8cdef39e31879678c9de99607c8 Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Fri, 14 Aug 2015 11:09:38 +0800 Subject: [PATCH] MLK-11357-1 ARM: dts: imx7d: debug uart clk better to be from OSC To achieve low power, debug uart clk should be from OSC, so that it does NOT need to keep PLL on, especially for low power idle case. Signed-off-by: Anson Huang --- arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts | 2 ++ arch/arm/boot/dts/imx7d-sdb.dts | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts b/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts index 137c0699a1a8..68647f7e2905 100644 --- a/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts +++ b/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts @@ -515,6 +515,8 @@ &uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1_1>; + assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>; + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index f594666c50e9..55602836b0f0 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -396,7 +396,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>; - assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>; + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>; status = "okay"; }; -- 2.17.1