lkml.org 
[lkml]   [2018]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/3] ARM: dts: dra762: Add MCAN clock support
* Faiz Abbas <faiz_abbas@ti.com> [180408 09:59]:
> From: Lokesh Vutla <lokeshvutla@ti.com>
>
> MCAN is clocked by H14 divider of DPLL_GMAC. Unlike other
> DPLL dividers this DPLL_GMAC H14 divider is controlled by
> control module. Adding support for these clocks.

Adding Tero to Cc on this one.

> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
> ---
> arch/arm/boot/dts/dra76x.dtsi | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/arch/arm/boot/dts/dra76x.dtsi b/arch/arm/boot/dts/dra76x.dtsi
> index 1c88c58..bfc8263 100644
> --- a/arch/arm/boot/dts/dra76x.dtsi
> +++ b/arch/arm/boot/dts/dra76x.dtsi
> @@ -17,3 +17,36 @@
> &crossbar_mpu {
> ti,irqs-skip = <10 67 68 133 139 140>;
> };
> +
> +&scm_conf_clocks {
> + dpll_gmac_h14x2_ctrl_ck: dpll_gmac_h14x2_ctrl_ck@3fc {
> + #clock-cells = <0>;
> + compatible = "ti,divider-clock";
> + clocks = <&dpll_gmac_x2_ck>;
> + ti,max-div = <63>;
> + reg = <0x03fc>;
> + ti,bit-shift=<20>;
> + ti,latch-bit=<26>;
> + assigned-clocks = <&dpll_gmac_h14x2_ctrl_ck>;
> + assigned-clock-rates = <80000000>;
> + };
> +
> + dpll_gmac_h14x2_ctrl_mux_ck: dpll_gmac_h14x2_ctrl_mux_ck@3fc {
> + #clock-cells = <0>;
> + compatible = "ti,mux-clock";
> + clocks = <&dpll_gmac_ck>, <&dpll_gmac_h14x2_ctrl_ck>;
> + reg = <0x3fc>;
> + ti,bit-shift = <29>;
> + ti,latch-bit=<26>;
> + assigned-clocks = <&dpll_gmac_h14x2_ctrl_mux_ck>;
> + assigned-clock-parents = <&dpll_gmac_h14x2_ctrl_ck>;
> + };
> +
> + mcan_clk: mcan_clk@3fc {
> + #clock-cells = <0>;
> + compatible = "ti,gate-clock";
> + clocks = <&dpll_gmac_h14x2_ctrl_mux_ck>;
> + ti,bit-shift = <27>;
> + reg = <0x3fc>;
> + };
> +};
> --
> 2.7.4
>

\
 
 \ /
  Last update: 2018-05-15 19:17    [W:0.093 / U:1.512 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site