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| author | Neil Armstrong <narmstrong@baylibre.com> | 2020-11-20 18:21:30 +0300 |
|---|---|---|
| committer | Kevin Hilman <khilman@baylibre.com> | 2020-12-01 02:54:24 +0300 |
| commit | 78a6dcb52736da4d54e0b42788a4c5f13da9a8e1 (patch) | |
| tree | 3e5a87c5fc8a566c632da5ff6a233a61534960e3 /arch | |
| parent | 287eb2be4037c3d8d96b5d9490fa0e695e4553b9 (diff) | |
| download | linux-78a6dcb52736da4d54e0b42788a4c5f13da9a8e1.tar.xz | |
arm64: dts: meson-axg: add PWRC node
This adds the power controller PWRC node and the corresponding ethernet power domain.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20201120152131.3918814-2-narmstrong@baylibre.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index 724ee179b316..fed9e6edbfa9 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -12,6 +12,7 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h> #include <dt-bindings/reset/amlogic,meson-axg-reset.h> +#include <dt-bindings/power/meson-axg-power.h> / { compatible = "amlogic,meson-axg"; @@ -229,6 +230,7 @@ tx-fifo-depth = <2048>; resets = <&reset RESET_ETHERNET>; reset-names = "stmmaceth"; + power-domains = <&pwrc PWRC_AXG_ETHERNET_MEM_ID>; status = "disabled"; }; @@ -1159,6 +1161,46 @@ clocks = <&xtal>; clock-names = "xtal"; }; + + pwrc: power-controller { + compatible = "amlogic,meson-axg-pwrc"; + #power-domain-cells = <1>; + amlogic,ao-sysctrl = <&sysctrl_AO>; + resets = <&reset RESET_VIU>, + <&reset RESET_VENC>, + <&reset RESET_VCBUS>, + <&reset RESET_VENCL>, + <&reset RESET_VID_LOCK>; + reset-names = "viu", "venc", "vcbus", + "vencl", "vid_lock"; + clocks = <&clkc CLKID_VPU>, + <&clkc CLKID_VAPB>; + clock-names = "vpu", "vapb"; + /* + * VPU clocking is provided by two identical clock paths + * VPU_0 and VPU_1 muxed to a single clock by a glitch + * free mux to safely change frequency while running. + * Same for VAPB but with a final gate after the glitch free mux. + */ + assigned-clocks = <&clkc CLKID_VPU_0_SEL>, + <&clkc CLKID_VPU_0>, + <&clkc CLKID_VPU>, /* Glitch free mux */ + <&clkc CLKID_VAPB_0_SEL>, + <&clkc CLKID_VAPB_0>, + <&clkc CLKID_VAPB_SEL>; /* Glitch free mux */ + assigned-clock-parents = <&clkc CLKID_FCLK_DIV4>, + <0>, /* Do Nothing */ + <&clkc CLKID_VPU_0>, + <&clkc CLKID_FCLK_DIV4>, + <0>, /* Do Nothing */ + <&clkc CLKID_VAPB_0>; + assigned-clock-rates = <0>, /* Do Nothing */ + <250000000>, + <0>, /* Do Nothing */ + <0>, /* Do Nothing */ + <250000000>, + <0>; /* Do Nothing */ + }; }; }; |