diff options
| author | Peter Griffin <peter.griffin@linaro.org> | 2026-01-13 10:59:02 +0000 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2026-01-17 20:32:20 +0100 |
| commit | 024d8f4aa35970c4563c6ef0c4170133719b2103 (patch) | |
| tree | bfaa26b95ea889ac5408718aaa58a1dcb75e3883 | |
| parent | 791d34232c7896038f934e561af77afe9fba453d (diff) | |
arm64: dts: exynos: gs101: add cmu_dpu and sysreg_dpu dt nodes
Enable the cmu_dpu clock management unit. It feeds some of the display
IPs. Additionally add the sysreg_dpu node which contains the
BUSCOMPONENT_DRCG_EN and MEMCLK registers required by cmu_dpu to enable
dynamic root clock gating of bus components.
Reviewed-by: André Draszik <andre.draszik@linaro.org>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://patch.msgid.link/20260113-dpu-clocks-v3-5-cb85424f2c72@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/exynos/google/gs101.dtsi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi index 48f3819590cf..d085f9fb0f62 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi @@ -1815,6 +1815,23 @@ status = "disabled"; }; + cmu_dpu: clock-controller@1c000000 { + compatible = "google,gs101-cmu-dpu"; + reg = <0x1c000000 0x10000>; + #clock-cells = <1>; + + clocks = <&ext_24_5m>, + <&cmu_top CLK_DOUT_CMU_DPU_BUS>; + clock-names = "oscclk", "bus"; + samsung,sysreg = <&sysreg_dpu>; + }; + + sysreg_dpu: syscon@1c020000 { + compatible = "google,gs101-dpu-sysreg", "syscon"; + reg = <0x1c020000 0x10000>; + clocks = <&cmu_dpu CLK_GOUT_DPU_SYSREG_DPU_PCLK>; + }; + cmu_top: clock-controller@1e080000 { compatible = "google,gs101-cmu-top"; reg = <0x1e080000 0x10000>; |