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Date: Thu, 6 Jun 2019 19:30:44 +0300 From: Grygorii Strashko <grygorii.strashko@...com> To: "David S. Miller" <davem@...emloft.net>, Santosh Shilimkar <ssantosh@...nel.org>, Richard Cochran <richardcochran@...il.com>, Rob Herring <robh+dt@...nel.org> CC: Sekhar Nori <nsekhar@...com>, Murali Karicheri <m-karicheri2@...com>, Wingman Kwok <w-kwok2@...com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, Grygorii Strashko <grygorii.strashko@...com> Subject: [PATCH net-next v2 07/10] ARM: dts: k2e-netcp: add cpts refclk_mux node KeyStone 66AK2E 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, TSIPCLKA, TSREFCLK, TSIPCLKB clocks as CPTS reference clock [1] and group all CPTS properties under "cpts" subnode. [1] http://www.ti.com/lit/gpn/66ak2e05 Signed-off-by: Grygorii Strashko <grygorii.strashko@...com> Acked-by: Richard Cochran <richardcochran@...il.com> --- arch/arm/boot/dts/keystone-k2e-netcp.dtsi | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/keystone-k2e-netcp.dtsi b/arch/arm/boot/dts/keystone-k2e-netcp.dtsi index 1db17ec744b1..ad15e77874b1 100644 --- a/arch/arm/boot/dts/keystone-k2e-netcp.dtsi +++ b/arch/arm/boot/dts/keystone-k2e-netcp.dtsi @@ -135,8 +135,8 @@ netcp: netcp@...00000 { /* NetCP address range */ ranges = <0 0x24000000 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>, @@ -156,6 +156,23 @@ netcp: netcp@...00000 { 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>, + <&tsipclka>, <&tsrefclk>, + <&tsipclkb>; + ti,mux-tbl = <0x0>, <0x1>, <0x2>, + <0x3>, <0x4>, <0x8>, <0xC>; + assigned-clocks = <&cpts_refclk_mux>; + assigned-clock-parents = <&chipclk12>; + }; + }; + interfaces { gbe0: interface-0 { slave-port = <0>; -- 2.17.1
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