Re: [PATCH 2/3] ARM: dts: dra762: Add MCAN clock support
From: Tony Lindgren <tony@atomide.com>
Date: 2018-05-15 17:17:04
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linux-omap, lkml
* Faiz Abbas [off-list ref] [180408 09:59]:
From: Lokesh Vutla <redacted> 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.
quoted hunk ↗ jump to hunk
Signed-off-by: Lokesh Vutla <redacted> Signed-off-by: Faiz Abbas <redacted> --- 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