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| author | Sean Anderson <seanga2@gmail.com> | 2020-06-24 06:41:12 -0400 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2020-07-01 15:01:21 +0800 |
| commit | 4a3390f1d3b71f0645eb281176f00cd0d5ac2dcb (patch) | |
| tree | 373138fe61aea783757084532eb3c7c3111ee285 /arch/sandbox | |
| parent | f9c7d4f99f51ac9c1cf513111c21395f93d2dd53 (diff) | |
| download | u-boot-4a3390f1d3b71f0645eb281176f00cd0d5ac2dcb.zip u-boot-4a3390f1d3b71f0645eb281176f00cd0d5ac2dcb.tar.gz u-boot-4a3390f1d3b71f0645eb281176f00cd0d5ac2dcb.tar.bz2 | |
dm: Add support for simple-pm-bus
This type of bus is used in Linux to designate buses which have power
domains and/or clocks which need to be enabled before their child devices
can be used. Because power domains are automatically enabled before probing
in U-Boot, we just need to enable any clocks present.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox')
| -rw-r--r-- | arch/sandbox/dts/test.dts | 6 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/clk.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index a6e2bfd..b59bf15 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -1038,6 +1038,12 @@ mdio: mdio-test { compatible = "sandbox,mdio"; }; + + pm-bus-test { + compatible = "simple-pm-bus"; + clocks = <&clk_sandbox 4>; + power-domains = <&pwrdom 1>; + }; }; #include "sandbox_pmic.dtsi" diff --git a/arch/sandbox/include/asm/clk.h b/arch/sandbox/include/asm/clk.h index 1573e4a..c184c4b 100644 --- a/arch/sandbox/include/asm/clk.h +++ b/arch/sandbox/include/asm/clk.h @@ -21,6 +21,7 @@ enum sandbox_clk_id { SANDBOX_CLK_ID_I2C, SANDBOX_CLK_ID_UART1, SANDBOX_CLK_ID_UART2, + SANDBOX_CLK_ID_BUS, SANDBOX_CLK_ID_COUNT, }; |