We're transitioning over to requiring the Qualcomm Display Clock
Controller to specify all the input clocks. Let's add them for
sdm845.
NOTES:
- Until the Linux driver for sdm845's dispcc is updated, these clocks
will not actually be used in Linux. It will continue to use global
clock names to match things up.
- Although the clocks from the DP PHY are required, the DP PHY isn't
represented in the dts yet. Apparently the magic for this is just
to use <0>.
Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---
Changes in v4: None
Changes in v3:
- Newly discovered gcc_disp_gpll0_div_clk_src added.
- Unlike in v2, use internal name instead of purist name.
Changes in v2:
- Patch ("arm64: dts: qcom: sdm845: Add...dispcc") new for v2.
arch/arm64/boot/dts/qcom/sdm845.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index d42302b8889b..0985813fee50 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -2933,6 +2933,24 @@ opp-200000000 {
dispcc: clock-controller@af00000 {
compatible = "qcom,sdm845-dispcc";
reg = <0 0x0af00000 0 0x10000>;
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_DISP_GPLL0_CLK_SRC>,
+ <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
+ <&dsi0_phy 0>,
+ <&dsi0_phy 1>,
+ <&dsi1_phy 0>,
+ <&dsi1_phy 1>,
+ <0>,
+ <0>;
+ clock-names = "bi_tcxo",
+ "gcc_disp_gpll0_clk_src",
+ "gcc_disp_gpll0_div_clk_src",
+ "dsi0_phy_pll_out_byteclk",
+ "dsi0_phy_pll_out_dsiclk",
+ "dsi1_phy_pll_out_byteclk",
+ "dsi1_phy_pll_out_dsiclk",
+ "dp_link_clk_divsel_ten",
+ "dp_vco_divided_clk_src_mux";
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
--
2.25.0.341.g760bfbb309-goog
