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authorRob Herring <robh@kernel.org>2014-03-02 05:22:53 +0100
committerRob Herring <robh@kernel.org>2014-06-24 21:16:04 +0200
commit2e45278592de32a47aa12ab09c2fcc5535aa0271 (patch)
tree1dc6f896db4ec9a137170bcfb396cb4591c346e5 /arch/arm/boot/dts/versatile-ab.dts
parentARM: timer-sp: allow getting timer1 clock from DT to fallback to legacy clock (diff)
downloadlinux-2e45278592de32a47aa12ab09c2fcc5535aa0271.tar.xz
linux-2e45278592de32a47aa12ab09c2fcc5535aa0271.zip
dts: versatile: add clock tree
The versatile dts is missing any clock data. Add the clocks. It is not clear from the documentation where pclk comes from, so for now it is a dummy clock which is sufficient for things to work. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/boot/dts/versatile-ab.dts')
-rw-r--r--arch/arm/boot/dts/versatile-ab.dts75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index 85c7b2b8ad1b..36c771a2d765 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -19,6 +19,41 @@
reg = <0x0 0x08000000>;
};
+ xtal24mhz: xtal24mhz@24M {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ };
+
+ core-module@10000000 {
+ compatible = "arm,core-module-versatile", "syscon";
+ reg = <0x10000000 0x200>;
+
+ /* OSC1 on AB, OSC4 on PB */
+ osc1: cm_aux_osc@24M {
+ #clock-cells = <0>;
+ compatible = "arm,versatile-cm-auxosc";
+ clocks = <&xtal24mhz>;
+ };
+
+ /* The timer clock is the 24 MHz oscillator divided to 1MHz */
+ timclk: timclk@1M {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <24>;
+ clock-mult = <1>;
+ clocks = <&xtal24mhz>;
+ };
+
+ pclk: pclk@24M {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <1>;
+ clock-mult = <1>;
+ clocks = <&xtal24mhz>;
+ };
+ };
+
flash@34000000 {
compatible = "arm,versatile-flash";
reg = <0x34000000 0x4000000>;
@@ -78,63 +113,85 @@
compatible = "arm,pl081", "arm,primecell";
reg = <0x10130000 0x1000>;
interrupts = <17>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
uart0: uart@101f1000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x101f1000 0x1000>;
interrupts = <12>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
};
uart1: uart@101f2000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x101f2000 0x1000>;
interrupts = <13>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
};
uart2: uart@101f3000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x101f3000 0x1000>;
interrupts = <14>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
};
smc@10100000 {
compatible = "arm,primecell";
reg = <0x10100000 0x1000>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
mpmc@10110000 {
compatible = "arm,primecell";
reg = <0x10110000 0x1000>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
display@10120000 {
compatible = "arm,pl110", "arm,primecell";
reg = <0x10120000 0x1000>;
interrupts = <16>;
+ clocks = <&osc1>, <&pclk>;
+ clock-names = "clcd", "apb_pclk";
};
sctl@101e0000 {
compatible = "arm,primecell";
reg = <0x101e0000 0x1000>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
watchdog@101e1000 {
compatible = "arm,primecell";
reg = <0x101e1000 0x1000>;
interrupts = <0>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
timer@101e2000 {
compatible = "arm,sp804", "arm,primecell";
reg = <0x101e2000 0x1000>;
interrupts = <4>;
+ clocks = <&timclk>, <&timclk>, <&pclk>;
+ clock-names = "timer0", "timer1", "apb_pclk";
};
timer@101e3000 {
compatible = "arm,sp804", "arm,primecell";
reg = <0x101e3000 0x1000>;
interrupts = <5>;
+ clocks = <&timclk>, <&timclk>, <&pclk>;
+ clock-names = "timer0", "timer1", "apb_pclk";
};
gpio0: gpio@101e4000 {
@@ -145,6 +202,8 @@
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
gpio1: gpio@101e5000 {
@@ -155,24 +214,32 @@
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
rtc@101e8000 {
compatible = "arm,pl030", "arm,primecell";
reg = <0x101e8000 0x1000>;
interrupts = <10>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
sci@101f0000 {
compatible = "arm,primecell";
reg = <0x101f0000 0x1000>;
interrupts = <15>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
ssp@101f4000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x101f4000 0x1000>;
interrupts = <11>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "SSPCLK", "apb_pclk";
};
fpga {
@@ -185,23 +252,31 @@
compatible = "arm,primecell";
reg = <0x4000 0x1000>;
interrupts = <24>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
};
mmc@5000 {
compatible = "arm,pl180", "arm,primecell";
reg = < 0x5000 0x1000>;
interrupts-extended = <&vic 22 &sic 2>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "mclk", "apb_pclk";
};
kmi@6000 {
compatible = "arm,pl050", "arm,primecell";
reg = <0x6000 0x1000>;
interrupt-parent = <&sic>;
interrupts = <3>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "KMIREFCLK", "apb_pclk";
};
kmi@7000 {
compatible = "arm,pl050", "arm,primecell";
reg = <0x7000 0x1000>;
interrupt-parent = <&sic>;
interrupts = <4>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "KMIREFCLK", "apb_pclk";
};
};
};