Message ID | 1392204688-4591-4-git-send-email-a.hajda@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
2014-02-12 20:31 GMT+09:00 Andrzej Hajda <a.hajda@samsung.com>: > The patch adds DT bindings for Exynos DSI Master. DSIM follows rules > for DSI bus host bindings [1]. > Properties describes its resources: memory, interrupt, clocks, > phy, regulators and frequencies of clocks. > > [1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt > > Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> > --- > v2 > - added burst and esc clock frequency properties > - add samsung prefix to all frequency props > --- > .../devicetree/bindings/video/exynos_dsim.txt | 53 ++++++++++++++++++++++ > 1 file changed, 53 insertions(+) > create mode 100644 Documentation/devicetree/bindings/video/exynos_dsim.txt > > diff --git a/Documentation/devicetree/bindings/video/exynos_dsim.txt b/Documentation/devicetree/bindings/video/exynos_dsim.txt > new file mode 100644 > index 0000000..2a49704 > --- /dev/null > +++ b/Documentation/devicetree/bindings/video/exynos_dsim.txt > @@ -0,0 +1,53 @@ > +Exynos MIPI DSI Master > + > +Required properties: > + - compatible: "samsung,exynos4210-mipi-dsi" > + - reg: physical base address and length of the registers set for the device > + - interrupts: should contain DSI interrupt > + - clocks: list of clock specifiers, must contain an entry for each required > + entry in clock-names > + - clock-names: should include "bus_clk"and "pll_clk" entries > + - phys: list of phy specifiers, must contain an entry for each required > + entry in phy-names > + - phy-names: should include "dsim" entry > + - vddcore-supply: MIPI DSIM Core voltage supply (e.g. 1.1V) > + - vddio-supply: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V) > + - samsung,pll-clock-frequency: specifies frequency of the "pll_clk" clock > + - samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst > + mode > + - samsung,esc-clock-frequency: specifies DSI frequency in escape mode > + - #address-cells, #size-cells: should be set respectively to <1> and <0> > + according to DSI host bindings (see MIPI DSI bindings [1]) > + > +Optional properties: > + - samsung,power-domain: a phandle to DSIM power domain node > + > +Child nodes: > + Should contain DSI peripheral nodes (see DSI bindings [1]) > + > +[1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt > + > +Example: > + > + dsi@11C80000 { > + compatible = "samsung,exynos4210-mipi-dsi"; > + reg = <0x11C80000 0x10000>; > + interrupts = <0 79 0>; > + clocks = <&clock 286>, <&clock 143>; > + clock-names = "bus_clk", "pll_clk"; > + phys = <&mipi_phy 1>; > + phy-names = "dsim"; > + vddcore-supply = <&vusb_reg>; > + vddio-supply = <&vmipi_reg>; > + samsung,power-domain = <&pd_lcd0>; > + #address-cells = <1>; > + #size-cells = <0>; > + samsung,pll-clock-frequency = <24000000>; > + samsung,burst-clock-frequency = <500000000>; > + samsung,esc-clock-frequency = <20000000>; Isn't a property indicating cpu or video mode needed for the future even though now DSI driver doesn't support CPU interface yet? Which mode is used would depend on machine. > + > + panel@0 { > + reg = <0>; > + ... > + }; > + }; > -- > 1.8.3.2 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 03/05/2014 06:56 AM, Inki Dae wrote: > 2014-02-12 20:31 GMT+09:00 Andrzej Hajda <a.hajda@samsung.com>: >> The patch adds DT bindings for Exynos DSI Master. DSIM follows rules >> for DSI bus host bindings [1]. >> Properties describes its resources: memory, interrupt, clocks, >> phy, regulators and frequencies of clocks. >> >> [1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt >> >> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> >> --- >> v2 >> - added burst and esc clock frequency properties >> - add samsung prefix to all frequency props >> --- >> .../devicetree/bindings/video/exynos_dsim.txt | 53 ++++++++++++++++++++++ >> 1 file changed, 53 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/video/exynos_dsim.txt >> >> diff --git a/Documentation/devicetree/bindings/video/exynos_dsim.txt b/Documentation/devicetree/bindings/video/exynos_dsim.txt >> new file mode 100644 >> index 0000000..2a49704 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/video/exynos_dsim.txt >> @@ -0,0 +1,53 @@ >> +Exynos MIPI DSI Master >> + >> +Required properties: >> + - compatible: "samsung,exynos4210-mipi-dsi" >> + - reg: physical base address and length of the registers set for the device >> + - interrupts: should contain DSI interrupt >> + - clocks: list of clock specifiers, must contain an entry for each required >> + entry in clock-names >> + - clock-names: should include "bus_clk"and "pll_clk" entries >> + - phys: list of phy specifiers, must contain an entry for each required >> + entry in phy-names >> + - phy-names: should include "dsim" entry >> + - vddcore-supply: MIPI DSIM Core voltage supply (e.g. 1.1V) >> + - vddio-supply: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V) >> + - samsung,pll-clock-frequency: specifies frequency of the "pll_clk" clock >> + - samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst >> + mode >> + - samsung,esc-clock-frequency: specifies DSI frequency in escape mode >> + - #address-cells, #size-cells: should be set respectively to <1> and <0> >> + according to DSI host bindings (see MIPI DSI bindings [1]) >> + >> +Optional properties: >> + - samsung,power-domain: a phandle to DSIM power domain node >> + >> +Child nodes: >> + Should contain DSI peripheral nodes (see DSI bindings [1]) >> + >> +[1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt >> + >> +Example: >> + >> + dsi@11C80000 { >> + compatible = "samsung,exynos4210-mipi-dsi"; >> + reg = <0x11C80000 0x10000>; >> + interrupts = <0 79 0>; >> + clocks = <&clock 286>, <&clock 143>; >> + clock-names = "bus_clk", "pll_clk"; >> + phys = <&mipi_phy 1>; >> + phy-names = "dsim"; >> + vddcore-supply = <&vusb_reg>; >> + vddio-supply = <&vmipi_reg>; >> + samsung,power-domain = <&pd_lcd0>; >> + #address-cells = <1>; >> + #size-cells = <0>; >> + samsung,pll-clock-frequency = <24000000>; >> + samsung,burst-clock-frequency = <500000000>; >> + samsung,esc-clock-frequency = <20000000>; > Isn't a property indicating cpu or video mode needed for the future > even though now DSI driver doesn't support CPU interface yet? Which > mode is used would depend on machine. Mode is determined by panel, ie. by dsi slave. Regards Andrzej > >> + >> + panel@0 { >> + reg = <0>; >> + ... >> + }; >> + }; >> -- >> 1.8.3.2 >> >> _______________________________________________ >> dri-devel mailing list >> dri-devel@lists.freedesktop.org >> http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/video/exynos_dsim.txt b/Documentation/devicetree/bindings/video/exynos_dsim.txt new file mode 100644 index 0000000..2a49704 --- /dev/null +++ b/Documentation/devicetree/bindings/video/exynos_dsim.txt @@ -0,0 +1,53 @@ +Exynos MIPI DSI Master + +Required properties: + - compatible: "samsung,exynos4210-mipi-dsi" + - reg: physical base address and length of the registers set for the device + - interrupts: should contain DSI interrupt + - clocks: list of clock specifiers, must contain an entry for each required + entry in clock-names + - clock-names: should include "bus_clk"and "pll_clk" entries + - phys: list of phy specifiers, must contain an entry for each required + entry in phy-names + - phy-names: should include "dsim" entry + - vddcore-supply: MIPI DSIM Core voltage supply (e.g. 1.1V) + - vddio-supply: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V) + - samsung,pll-clock-frequency: specifies frequency of the "pll_clk" clock + - samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst + mode + - samsung,esc-clock-frequency: specifies DSI frequency in escape mode + - #address-cells, #size-cells: should be set respectively to <1> and <0> + according to DSI host bindings (see MIPI DSI bindings [1]) + +Optional properties: + - samsung,power-domain: a phandle to DSIM power domain node + +Child nodes: + Should contain DSI peripheral nodes (see DSI bindings [1]) + +[1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt + +Example: + + dsi@11C80000 { + compatible = "samsung,exynos4210-mipi-dsi"; + reg = <0x11C80000 0x10000>; + interrupts = <0 79 0>; + clocks = <&clock 286>, <&clock 143>; + clock-names = "bus_clk", "pll_clk"; + phys = <&mipi_phy 1>; + phy-names = "dsim"; + vddcore-supply = <&vusb_reg>; + vddio-supply = <&vmipi_reg>; + samsung,power-domain = <&pd_lcd0>; + #address-cells = <1>; + #size-cells = <0>; + samsung,pll-clock-frequency = <24000000>; + samsung,burst-clock-frequency = <500000000>; + samsung,esc-clock-frequency = <20000000>; + + panel@0 { + reg = <0>; + ... + }; + };
The patch adds DT bindings for Exynos DSI Master. DSIM follows rules for DSI bus host bindings [1]. Properties describes its resources: memory, interrupt, clocks, phy, regulators and frequencies of clocks. [1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> --- v2 - added burst and esc clock frequency properties - add samsung prefix to all frequency props --- .../devicetree/bindings/video/exynos_dsim.txt | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/exynos_dsim.txt