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author | Stephen Boyd <sboyd@kernel.org> | 2018-07-06 20:58:51 +0300 |
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committer | Stephen Boyd <sboyd@kernel.org> | 2018-07-06 20:59:06 +0300 |
commit | 964e3717e4987b17c585d29ce366702dbc74bbf1 (patch) | |
tree | 735e6c5368149bee9b0fad9a92b151c7efb49f62 /Documentation/devicetree/bindings | |
parent | ce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff) | |
parent | 4c3d88526eba214357150764a0e3e5308acbef4a (diff) | |
download | linux-964e3717e4987b17c585d29ce366702dbc74bbf1.tar.xz |
Merge tag 'clk-renesas-for-v4.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas
Pull Renesas clk driver updates for v4.19 from Geert Uytterhoeven:
- Add support for Crypto Engine clocks on R-Car H3
- Add support for the new RZ/N1D SoC
* tag 'clk-renesas-for-v4.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: Renesas R9A06G032 clock driver
dt-bindings: clock: renesas,r9a06g032-sysctrl: documentation
dt-bindings: clock: Add the r9a06g032-sysctrl.h file
clk: renesas: r8a7795: Add CCREE clock
clk: renesas: r8a7795: Add CR clock
Diffstat (limited to 'Documentation/devicetree/bindings')
-rw-r--r-- | Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt b/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt new file mode 100644 index 000000000000..d60b99756bb9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt @@ -0,0 +1,43 @@ +* Renesas R9A06G032 SYSCTRL + +Required Properties: + + - compatible: Must be: + - "renesas,r9a06g032-sysctrl" + - reg: Base address and length of the SYSCTRL IO block. + - #clock-cells: Must be 1 + - clocks: References to the parent clocks: + - external 40mhz crystal. + - external (optional) 32.768khz + - external (optional) jtag input + - external (optional) RGMII_REFCLK + - clock-names: Must be: + clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext"; + +Examples +-------- + + - SYSCTRL node: + + sysctrl: system-controller@4000c000 { + compatible = "renesas,r9a06g032-sysctrl"; + reg = <0x4000c000 0x1000>; + #clock-cells = <1>; + + clocks = <&ext_mclk>, <&ext_rtc_clk>, + <&ext_jtag_clk>, <&ext_rgmii_ref>; + clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext"; + }; + + - Other nodes can use the clocks provided by SYSCTRL as in: + + #include <dt-bindings/clock/r9a06g032-sysctrl.h> + uart0: serial@40060000 { + compatible = "snps,dw-apb-uart"; + reg = <0x40060000 0x400>; + interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&sysctrl R9A06G032_CLK_UART0>; + clock-names = "baudclk"; + }; |