On Mon, Jun 30, 2014 at 2:32 AM, Robert Jarzmik <robert.jarzmik@xxxxxxx> wrote:
> Add the clock tree description for the PXA27x based boards.
>
> Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
> ---
> arch/arm/boot/dts/pxa27x.dtsi | 134 ++++++++++++++++++++++++++++++-
> include/dt-bindings/clock/pxa2xx-clock.h | 45 +++++++++++
> 2 files changed, 178 insertions(+), 1 deletion(-)
> create mode 100644 include/dt-bindings/clock/pxa2xx-clock.h
>
> diff --git a/arch/arm/boot/dts/pxa27x.dtsi b/arch/arm/boot/dts/pxa27x.dtsi
> index a705469..badaa71 100644
> --- a/arch/arm/boot/dts/pxa27x.dtsi
> +++ b/arch/arm/boot/dts/pxa27x.dtsi
> @@ -1,5 +1,6 @@
> /* The pxa3xx skeleton simply augments the 2xx version */
> -/include/ "pxa2xx.dtsi"
> +#include "pxa2xx.dtsi"
> +#include "dt-bindings/clock/pxa2xx-clock.h"
>
> / {
> model = "Marvell PXA27x familiy SoC";
> @@ -35,4 +36,135 @@
> #pwm-cells = <1>;
> };
> };
> +
> + clocks {
> + /*
> + * The muxing of external clocks/internal dividers for osc* clock
> + * sources has been hidden under the carpet by now.
> + */
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + osc13mhz:osc13mhz {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <13000000>;
> + };
> +
> + osc32_768khz:osc32_768khz {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <32768>;
> + };
> +
> + pll_312mhz:pll_312mhz {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&osc13mhz>;
> + clock-div = <1>;
> + clock-mult = <24>;
> + };
> +
> + clk_48mhz:clk_48mhz {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&pll_312mhz>;
> + clock-div = <13>;
> + clock-mult = <2>;
> + };
> +
> + clk_32_842mhz:clk_32_842mhz {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&pll_312mhz>;
> + clock-div = <19>;
> + clock-mult = <2>;
> + };
> +
> + clk_19_5mhz:clk_19_5mhz {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&pll_312mhz>;
> + clock-div = <32>;
> + clock-mult = <2>;
> + };
> +
> + clk_14_857mhz:clk_14_857mhz {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&pll_312mhz>;
> + clock-div = <42>;
> + clock-mult = <2>;
> + };
> +
> + clk_14_682mhz:clk_14_682mhz {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&pll_312mhz>;
> + clock-div = <51>;
> + clock-mult = <2>;
> + };
> +
> + clk_13mhz:clk_13mhz {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&osc13mhz>;
> + clock-div = <1>;
> + clock-mult = <1>;
> + };
> +
> + clk_dummy:clk_dummy {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <0>;
> + };
> +
> + clk_ostimer:clk_ostimer {
> + compatible = "fixed-factor-clock";
> + #clock-cells = <0>;
> + clocks = <&osc13mhz>;
> + clock-div = <4>;
> + clock-mult = <1>;
> + };
> +
> + pxa27x_sysclks:pxa27x_sysclks {
> + compatible = "marvell,pxa270-core-clocks";
> + #clock-cells = <1>;
> + clocks = <&osc13mhz>;
> + clock-output-names = "run mode", "half-turbo mode",
> + "turbo mode", "cpu core", "system bus", "memory", "lcd";
> + };
> +
> + pxa2xx_clks: pxa2xx_clks@41300004 {
> + compatible = "marvell,pxa-clocks";
> + reg = <0x41300004 0x4>;
> + clocks =
> + <&clk_13mhz>, <&clk_13mhz>, <&clk_dummy>, <&clk_13mhz>,
> + <&clk_13mhz>, <&clk_14_857mhz>, <&clk_14_857mhz>, <&clk_14_857mhz>,
> + <&clk_14_682mhz>, <&clk_ostimer>, <&clk_48mhz>, <&clk_48mhz>,
> + <&clk_19_5mhz>, <&clk_48mhz>, <&clk_32_842mhz>, <&clk_13mhz>,
> + <&pxa27x_sysclks 6>, <&clk_48mhz>, <&clk_48mhz>, <&osc32_768khz>,
> + <&clk_dummy>, <&clk_19_5mhz>, <&pxa27x_sysclks 4>, <&clk_13mhz>,
> + <&pxa27x_sysclks 6>, <&clk_dummy>;
> + #clock-cells = <1>;
> + clock-output-names =
> + "pwm 0,2", "pwm 1,3", "ac97", "ssp2",
> + "ssp3,hwuart", "stuart", "ffuart", "btuart",
> + "i2s", "nssp,ostimer", "usb host,assp", "usb udc",
> + "mmc", "ficp", "i2c", "pwri2c",
> + "lcd", "msl", "usim", "keypad",
> + "im", "memstk", "memc", "ssp1",
> + "camera", "ac97conf";
> + clock-indices = <
> + CKEN_PWM0 CKEN_PWM1 CKEN_AC97 CKEN_SSP2
> + CKEN_SSP3 CKEN_STUART CKEN_FFUART CKEN_BTUART
> + CKEN_I2S CKEN_OSTIMER CKEN_USBHOST CKEN_USB
> + CKEN_MMC CKEN_FICP CKEN_I2C CKEN_PWRI2C
> + CKEN_LCD CKEN_MSL CKEN_USIM CKEN_KEYPAD
> + CKEN_IM CKEN_MEMSTK 65 CKEN_SSP1
> + CKEN_CAMERA CKEN_AC97CONF >;
> + };
> + };
> +
> };
Maybe defining these clocks in pxa27x clock driver is better.
Regards
Haojian
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