Skip to content

Commit

Permalink
arm: sunxi: Add clock definitions for the new clock driver
Browse files Browse the repository at this point in the history
This introduces proper clock definitions on sunxi.dtsi, to be used
with the new clock driver for sunxi.

Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
  • Loading branch information
Emilio López authored and Maxime Ripard committed Mar 23, 2013
1 parent ce6a73b commit 2c3b4d7
Showing 1 changed file with 80 additions and 3 deletions.
83 changes: 80 additions & 3 deletions arch/arm/boot/dts/sunxi.dtsi
Original file line number Diff line number Diff line change
Expand Up @@ -24,13 +24,90 @@

clocks {
#address-cells = <1>;
#size-cells = <0>;
#size-cells = <1>;
ranges;

osc: oscillator {
/*
* This is a dummy clock, to be used as placeholder on
* other mux clocks when a specific parent clock is not
* yet implemented. It should be dropped when the driver
* is complete.
*/
dummy: dummy {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <0>;
};

osc24M_fixed: osc24M_fixed {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
};

osc24M: osc24M@01c20050 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-osc-clk";
reg = <0x01c20050 0x4>;
clocks = <&osc24M_fixed>;
};

osc32k: osc32k {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <32768>;
};

pll1: pll1@01c20000 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-pll1-clk";
reg = <0x01c20000 0x4>;
clocks = <&osc24M>;
};

/* dummy is 200M */
cpu: cpu@01c20054 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-cpu-clk";
reg = <0x01c20054 0x4>;
clocks = <&osc32k>, <&osc24M>, <&pll1>, <&dummy>;
};

axi: axi@01c20054 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-axi-clk";
reg = <0x01c20054 0x4>;
clocks = <&cpu>;
};

ahb: ahb@01c20054 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-ahb-clk";
reg = <0x01c20054 0x4>;
clocks = <&axi>;
};

apb0: apb0@01c20054 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-apb0-clk";
reg = <0x01c20054 0x4>;
clocks = <&ahb>;
};

/* dummy is pll62 */
apb1_mux: apb1_mux@01c20058 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-apb1-mux-clk";
reg = <0x01c20058 0x4>;
clocks = <&osc24M>, <&dummy>, <&osc32k>;
};

apb1: apb1@01c20058 {
#clock-cells = <0>;
compatible = "allwinner,sunxi-apb1-clk";
reg = <0x01c20058 0x4>;
clocks = <&apb1_mux>;
};
};

soc {
Expand All @@ -44,7 +121,7 @@
compatible = "allwinner,sunxi-timer";
reg = <0x01c20c00 0x90>;
interrupts = <22>;
clocks = <&osc>;
clocks = <&osc24M>;
};

wdt: watchdog@01c20c90 {
Expand Down

0 comments on commit 2c3b4d7

Please sign in to comment.