From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: [PATCH 1/3] Documentation: dt: Add TI SCI clock driver Date: Fri, 21 Oct 2016 15:45:59 +0300 Message-ID: <1477053961-27128-2-git-send-email-t-kristo@ti.com> References: <1477053961-27128-1-git-send-email-t-kristo@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1477053961-27128-1-git-send-email-t-kristo@ti.com> Sender: linux-clk-owner@vger.kernel.org To: linux-clk@vger.kernel.org, mturquette@baylibre.com, sboyd@codeaurora.org, ssantosh@kernel.org Cc: nm@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Add a clock implementation, TI SCI clock, that will hook to the common clock framework, and allow each clock to be controlled via TI SCI protocol. Signed-off-by: Tero Kristo --- .../devicetree/bindings/clock/ti,sci-clk.txt | 37 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/ti,sci-clk.txt diff --git a/Documentation/devicetree/bindings/clock/ti,sci-clk.txt b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt new file mode 100644 index 0000000..bfc3ca4 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt @@ -0,0 +1,37 @@ +Texas Instruments TI-SCI Clocks +=============================== + +All clocks on Texas Instruments' SoCs that contain a System Controller, +are only controlled by this entity. Communication between a host processor +running an OS and the System Controller happens through a protocol known +as TI-SCI[1]. This clock implementation plugs into the common clock +framework and makes use of the TI-SCI protocol on clock API requests. + +[1] Documentation/devicetree/bindings/arm/keystone/ti,sci.txt + +Required properties: +------------------- +- compatible: Must be "ti,k2g-sci-clk" +- #clock-cells: Shall be 2. + In clock consumers, this cell represents the device ID and clock ID + exposed by the PM firmware. The assignments can be found in the header + files .h> (which covers the device IDs) and + .h> (which covers the clock IDs), where + is the SoC involved, for example 'k2g'. + +Examples: +-------- + +pmmc: pmmc { + compatible = "ti,k2g-sci"; + + k2g_clks: k2g_clks { + compatible = "ti,k2g-sci-clk"; + #clock-cells = <2>; + }; +}; + +uart0: serial@2530c00 { + compatible = "ns16550a"; + clocks = <&k2g_clks K2G_DEV_UART0 0>; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 3eaac5ed..3ee7c7a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11895,6 +11895,7 @@ F: include/linux/soc/ti/ti_sci_protocol.h F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt F: include/dt-bindings/genpd/k2g.h F: drivers/soc/ti/ti_sci_pm_domains.c +F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER M: Hans Verkuil -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Tero Kristo To: , , , CC: , , Subject: [PATCH 1/3] Documentation: dt: Add TI SCI clock driver Date: Fri, 21 Oct 2016 15:45:59 +0300 Message-ID: <1477053961-27128-2-git-send-email-t-kristo@ti.com> In-Reply-To: <1477053961-27128-1-git-send-email-t-kristo@ti.com> References: <1477053961-27128-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 Content-Type: text/plain List-ID: Add a clock implementation, TI SCI clock, that will hook to the common clock framework, and allow each clock to be controlled via TI SCI protocol. Signed-off-by: Tero Kristo --- .../devicetree/bindings/clock/ti,sci-clk.txt | 37 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/ti,sci-clk.txt diff --git a/Documentation/devicetree/bindings/clock/ti,sci-clk.txt b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt new file mode 100644 index 0000000..bfc3ca4 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt @@ -0,0 +1,37 @@ +Texas Instruments TI-SCI Clocks +=============================== + +All clocks on Texas Instruments' SoCs that contain a System Controller, +are only controlled by this entity. Communication between a host processor +running an OS and the System Controller happens through a protocol known +as TI-SCI[1]. This clock implementation plugs into the common clock +framework and makes use of the TI-SCI protocol on clock API requests. + +[1] Documentation/devicetree/bindings/arm/keystone/ti,sci.txt + +Required properties: +------------------- +- compatible: Must be "ti,k2g-sci-clk" +- #clock-cells: Shall be 2. + In clock consumers, this cell represents the device ID and clock ID + exposed by the PM firmware. The assignments can be found in the header + files .h> (which covers the device IDs) and + .h> (which covers the clock IDs), where + is the SoC involved, for example 'k2g'. + +Examples: +-------- + +pmmc: pmmc { + compatible = "ti,k2g-sci"; + + k2g_clks: k2g_clks { + compatible = "ti,k2g-sci-clk"; + #clock-cells = <2>; + }; +}; + +uart0: serial@2530c00 { + compatible = "ns16550a"; + clocks = <&k2g_clks K2G_DEV_UART0 0>; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 3eaac5ed..3ee7c7a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11895,6 +11895,7 @@ F: include/linux/soc/ti/ti_sci_protocol.h F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt F: include/dt-bindings/genpd/k2g.h F: drivers/soc/ti/ti_sci_pm_domains.c +F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER M: Hans Verkuil -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: t-kristo@ti.com (Tero Kristo) Date: Fri, 21 Oct 2016 15:45:59 +0300 Subject: [PATCH 1/3] Documentation: dt: Add TI SCI clock driver In-Reply-To: <1477053961-27128-1-git-send-email-t-kristo@ti.com> References: <1477053961-27128-1-git-send-email-t-kristo@ti.com> Message-ID: <1477053961-27128-2-git-send-email-t-kristo@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add a clock implementation, TI SCI clock, that will hook to the common clock framework, and allow each clock to be controlled via TI SCI protocol. Signed-off-by: Tero Kristo --- .../devicetree/bindings/clock/ti,sci-clk.txt | 37 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/ti,sci-clk.txt diff --git a/Documentation/devicetree/bindings/clock/ti,sci-clk.txt b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt new file mode 100644 index 0000000..bfc3ca4 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt @@ -0,0 +1,37 @@ +Texas Instruments TI-SCI Clocks +=============================== + +All clocks on Texas Instruments' SoCs that contain a System Controller, +are only controlled by this entity. Communication between a host processor +running an OS and the System Controller happens through a protocol known +as TI-SCI[1]. This clock implementation plugs into the common clock +framework and makes use of the TI-SCI protocol on clock API requests. + +[1] Documentation/devicetree/bindings/arm/keystone/ti,sci.txt + +Required properties: +------------------- +- compatible: Must be "ti,k2g-sci-clk" +- #clock-cells: Shall be 2. + In clock consumers, this cell represents the device ID and clock ID + exposed by the PM firmware. The assignments can be found in the header + files .h> (which covers the device IDs) and + .h> (which covers the clock IDs), where + is the SoC involved, for example 'k2g'. + +Examples: +-------- + +pmmc: pmmc { + compatible = "ti,k2g-sci"; + + k2g_clks: k2g_clks { + compatible = "ti,k2g-sci-clk"; + #clock-cells = <2>; + }; +}; + +uart0: serial at 2530c00 { + compatible = "ns16550a"; + clocks = <&k2g_clks K2G_DEV_UART0 0>; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 3eaac5ed..3ee7c7a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11895,6 +11895,7 @@ F: include/linux/soc/ti/ti_sci_protocol.h F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt F: include/dt-bindings/genpd/k2g.h F: drivers/soc/ti/ti_sci_pm_domains.c +F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER M: Hans Verkuil -- 1.9.1