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| author |   Neil Armstrong <narmstrong@baylibre.com> | 2017-11-20 15:19:54 +0100 |
|---|---|---|
| committer |   Kevin Hilman <khilman@baylibre.com> | 2017-12-06 10:41:33 -0800 |
| commit | 74d1c6e9af69dc6aec07a1dd5c628ae184b15e41 (patch) | |
| tree | 11f736f77e13cc7d6f285ebbf76b0ca933dfd5d8 /arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | |
| parent | Linux 4.15-rc1 (diff) | |
| download | linux-dev-74d1c6e9af69dc6aec07a1dd5c628ae184b15e41.tar.xz linux-dev-74d1c6e9af69dc6aec07a1dd5c628ae184b15e41.zip | |
ARM64: dts: meson-gx: add VPU power domain
This patch adds support for the VPU Power Domain nodes, and attaches the
VPU power domain to the VPU node.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Diffstat (limited to 'arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index ead895a4e9a5..6904872f08af 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -694,6 +694,48 @@ }; }; +&pwrc_vpu { + resets = <&reset RESET_VIU>, + <&reset RESET_VENC>, + <&reset RESET_VCBUS>, + <&reset RESET_BT656>, + <&reset RESET_DVIN_RESET>, + <&reset RESET_RDMA>, + <&reset RESET_VENCI>, + <&reset RESET_VENCP>, + <&reset RESET_VDAC>, + <&reset RESET_VDI6>, + <&reset RESET_VENCL>, + <&reset RESET_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_DIV3>, + <0>, /* Do Nothing */ + <&clkc CLKID_VPU_0>, + <&clkc CLKID_FCLK_DIV4>, + <0>, /* Do Nothing */ + <&clkc CLKID_VAPB_0>; + assigned-clock-rates = <0>, /* Do Nothing */ + <666666666>, + <0>, /* Do Nothing */ + <0>, /* Do Nothing */ + <250000000>, + <0>; /* Do Nothing */ +}; + &saradc { compatible = "amlogic,meson-gxbb-saradc", "amlogic,meson-saradc"; clocks = <&xtal>, @@ -763,4 +805,5 @@ &vpu { compatible = "amlogic,meson-gxbb-vpu", "amlogic,meson-gx-vpu"; + power-domains = <&pwrc_vpu>; }; |