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46 lines
1.2 KiB
46 lines
1.2 KiB
* Renesas R9A06G032 SYSCTRL |
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Required Properties: |
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- compatible: Must be: |
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- "renesas,r9a06g032-sysctrl" |
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- reg: Base address and length of the SYSCTRL IO block. |
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- #clock-cells: Must be 1 |
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- clocks: References to the parent clocks: |
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- external 40mhz crystal. |
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- external (optional) 32.768khz |
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- external (optional) jtag input |
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- external (optional) RGMII_REFCLK |
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- clock-names: Must be: |
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clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext"; |
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- #power-domain-cells: Must be 0 |
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Examples |
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-------- |
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- SYSCTRL node: |
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sysctrl: system-controller@4000c000 { |
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compatible = "renesas,r9a06g032-sysctrl"; |
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reg = <0x4000c000 0x1000>; |
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#clock-cells = <1>; |
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clocks = <&ext_mclk>, <&ext_rtc_clk>, |
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<&ext_jtag_clk>, <&ext_rgmii_ref>; |
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clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext"; |
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#power-domain-cells = <0>; |
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}; |
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- Other nodes can use the clocks provided by SYSCTRL as in: |
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#include <dt-bindings/clock/r9a06g032-sysctrl.h> |
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uart0: serial@40060000 { |
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compatible = "snps,dw-apb-uart"; |
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reg = <0x40060000 0x400>; |
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interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>; |
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reg-shift = <2>; |
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reg-io-width = <4>; |
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clocks = <&sysctrl R9A06G032_CLK_UART0>, <&sysctrl R9A06G032_HCLK_UART0>; |
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clock-names = "baudclk", "apb_pclk"; |
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power-domains = <&sysctrl>; |
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};
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