From: Grygorii Strashko Date: Mon, 7 Oct 2019 17:59:10 +0000 (-0700) Subject: ARM: dts: k2l-netcp: add cpts refclk_mux node X-Git-Tag: v5.15~4957^2~37^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ee372eee0a3184139b40db56f627bc76b78f5103;p=platform%2Fkernel%2Flinux-starfive.git ARM: dts: k2l-netcp: add cpts refclk_mux node KeyStone 66AK2L 1G Ethernet Switch Subsystems, can control an external multiplexer that selects one of up to 32 clocks for time sync reference (RFTCLK) clock. This feature can be configured through CPTS_RFTCLK_SEL register (offset: x08) in CPTS module and modelled as multiplexer clock. Hence, add cpts-refclk-mux clock node which allows to mux one of SYSCLK2, SYSCLK3, TIMI0, TIMI1, TSREFCLK clocks as CPTS reference clock [1] and group all CPTS properties under "cpts" subnode. [1] http://www.ti.com/lit/gpn/66ak2l06 Signed-off-by: Grygorii Strashko Signed-off-by: Santosh Shilimkar --- diff --git a/arch/arm/boot/dts/keystone-k2l-netcp.dtsi b/arch/arm/boot/dts/keystone-k2l-netcp.dtsi index a2e47bad..c1f9826 100644 --- a/arch/arm/boot/dts/keystone-k2l-netcp.dtsi +++ b/arch/arm/boot/dts/keystone-k2l-netcp.dtsi @@ -134,8 +134,8 @@ netcp: netcp@26000000 { /* NetCP address range */ ranges = <0 0x26000000 0x1000000>; - clocks = <&clkpa>, <&clkcpgmac>, <&chipclk12>; - clock-names = "pa_clk", "ethss_clk", "cpts"; + clocks = <&clkpa>, <&clkcpgmac>; + clock-names = "pa_clk", "ethss_clk"; dma-coherent; ti,navigator-dmas = <&dma_gbe 0>, @@ -155,6 +155,22 @@ netcp: netcp@26000000 { tx-queue = <896>; tx-channel = "nettx"; + cpts { + clocks = <&cpts_refclk_mux>; + clock-names = "cpts"; + + cpts_refclk_mux: cpts-refclk-mux { + #clock-cells = <0>; + clocks = <&chipclk12>, <&chipclk13>, + <&timi0>, <&timi1>, + <&tsrefclk>; + ti,mux-tbl = <0x0>, <0x1>, <0x2>, + <0x3>, <0x8>; + assigned-clocks = <&cpts_refclk_mux>; + assigned-clock-parents = <&chipclk12>; + }; + }; + interfaces { gbe0: interface-0 { slave-port = <0>;