xtensa: xtfpga: use common clock framework
With this change the board needs to set up single clock object, users of this clock will get correct frequency automatically. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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@ -35,6 +35,13 @@
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interrupt-controller;
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};
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clocks {
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osc: main-oscillator {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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};
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};
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serial0: serial@fd050020 {
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device_type = "serial";
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compatible = "ns16550a";
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@ -42,9 +49,7 @@
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reg = <0xfd050020 0x20>;
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reg-shift = <2>;
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interrupts = <0 1>; /* external irq 0 */
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/* Filled in by platform_setup from FPGA register
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* clock-frequency = <100000000>;
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*/
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clocks = <&osc>;
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};
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enet0: ethoc@fd030000 {
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@ -135,11 +135,11 @@ static void __init update_local_mac(struct device_node *node)
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static int __init machine_setup(void)
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{
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struct device_node *serial;
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struct device_node *clock;
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struct device_node *eth = NULL;
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for_each_compatible_node(serial, NULL, "ns16550a")
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update_clock_frequency(serial);
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for_each_node_by_name(clock, "main-oscillator")
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update_clock_frequency(clock);
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if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc")))
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update_local_mac(eth);
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