730d688fce
On sm8250 dispcc requires MMCX power domain to be powered up before clock controller's registers become available. For now sm8250 was using external regulator driven by the power domain to describe this relationship. Switch into specifying power-domain and required opp-state directly. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210829154757.784699-2-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
108 lines
2.7 KiB
YAML
108 lines
2.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/clock/qcom,dispcc-sm8x50.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Display Clock & Reset Controller Binding for SM8150/SM8250
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maintainers:
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- Jonathan Marek <jonathan@marek.ca>
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description: |
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Qualcomm display clock control module which supports the clocks, resets and
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power domains on SM8150 and SM8250.
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See also:
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dt-bindings/clock/qcom,dispcc-sm8150.h
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dt-bindings/clock/qcom,dispcc-sm8250.h
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properties:
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compatible:
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enum:
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- qcom,sc8180x-dispcc
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- qcom,sm8150-dispcc
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- qcom,sm8250-dispcc
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clocks:
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items:
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- description: Board XO source
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- description: Byte clock from DSI PHY0
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- description: Pixel clock from DSI PHY0
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- description: Byte clock from DSI PHY1
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- description: Pixel clock from DSI PHY1
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- description: Link clock from DP PHY
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- description: VCO DIV clock from DP PHY
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clock-names:
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items:
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- const: bi_tcxo
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- const: dsi0_phy_pll_out_byteclk
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- const: dsi0_phy_pll_out_dsiclk
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- const: dsi1_phy_pll_out_byteclk
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- const: dsi1_phy_pll_out_dsiclk
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- const: dp_phy_pll_link_clk
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- const: dp_phy_pll_vco_div_clk
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'#clock-cells':
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const: 1
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'#reset-cells':
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const: 1
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'#power-domain-cells':
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const: 1
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reg:
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maxItems: 1
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power-domains:
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description:
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A phandle and PM domain specifier for the MMCX power domain.
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maxItems: 1
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required-opps:
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description:
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A phandle to an OPP node describing required MMCX performance point.
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maxItems: 1
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- '#clock-cells'
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- '#reset-cells'
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- '#power-domain-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/qcom,rpmh.h>
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#include <dt-bindings/power/qcom-rpmpd.h>
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clock-controller@af00000 {
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compatible = "qcom,sm8250-dispcc";
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reg = <0x0af00000 0x10000>;
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clocks = <&rpmhcc RPMH_CXO_CLK>,
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<&dsi0_phy 0>,
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<&dsi0_phy 1>,
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<&dsi1_phy 0>,
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<&dsi1_phy 1>,
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<&dp_phy 0>,
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<&dp_phy 1>;
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clock-names = "bi_tcxo",
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"dsi0_phy_pll_out_byteclk",
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"dsi0_phy_pll_out_dsiclk",
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"dsi1_phy_pll_out_byteclk",
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"dsi1_phy_pll_out_dsiclk",
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"dp_phy_pll_link_clk",
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"dp_phy_pll_vco_div_clk";
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#clock-cells = <1>;
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#reset-cells = <1>;
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#power-domain-cells = <1>;
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power-domains = <&rpmhpd SM8250_MMCX>;
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required-opps = <&rpmhpd_opp_low_svs>;
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};
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...
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