Re: [PATCH v2 4/4] arm64: dts: qcom: sc7280: add edp display dt nodes

From: khsieh
Date: Mon Oct 25 2021 - 17:25:41 EST


On 2021-10-21 11:44, Stephen Boyd wrote:
Quoting Krishna Manikandan (2021-10-20 06:58:53)
From: Sankeerth Billakanti <quic_sbillaka@xxxxxxxxxxx>

Add edp controller and phy DT nodes for sc7280.

Signed-off-by: Sankeerth Billakanti <quic_sbillaka@xxxxxxxxxxx>
Signed-off-by: Krishna Manikandan <quic_mkrishn@xxxxxxxxxxx>


Some comments below

Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>


Changes in v2:
- Move regulator definitions to board file (Matthias Kaehlcke)
- Move the gpio definitions to board file (Matthias Kaehlcke)
- Move the pinconf to board file (Matthias Kaehlcke)
- Move status property (Stephen Boyd)
- Drop flags from interrupts (Stephen Boyd)
- Add clock names one per line for readability (Stephen Boyd)
- Rename edp-opp-table (Stephen Boyd)
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 107 ++++++++++++++++++++++++++++++++++-
1 file changed, 106 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index dd35882..4450277 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2575,7 +2575,7 @@
reg = <0 0xaf00000 0 0x20000>;
clocks = <&rpmhcc RPMH_CXO_CLK>,
<&gcc GCC_DISP_GPLL0_CLK_SRC>,
- <0>, <0>, <0>, <0>, <0>, <0>;
+ <0>, <0>, <0>, <0>, <&edp_phy 0>, <&edp_phy 1>;

I can already tell this is going to be a merge mess! Can this also be
one cell per line?

where are dsi phy? (<&dsi_phy 0>, <&dsi_phy 1>)

clock-names = "bi_tcxo", "gcc_disp_gpll0_clk",
"dsi0_phy_pll_out_byteclk",
"dsi0_phy_pll_out_dsiclk",
@@ -2777,6 +2784,103 @@

status = "disabled";
};
+
+ msm_edp: edp@aea0000 {
+ compatible = "qcom,sc7280-edp";
+
+ reg = <0 0xaea0000 0 0x200>,
+ <0 0xaea0200 0 0x200>,
+ <0 0xaea0400 0 0xc00>,
+ <0 0xaea1000 0 0x400>;
+
+ interrupt-parent = <&mdss>;
+ interrupts = <14>;
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_EDP_CLKREF_EN>,
+ <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&dispcc DISP_CC_MDSS_EDP_AUX_CLK>,
+ <&dispcc DISP_CC_MDSS_EDP_LINK_CLK>,
+ <&dispcc DISP_CC_MDSS_EDP_LINK_INTF_CLK>,
+ <&dispcc DISP_CC_MDSS_EDP_PIXEL_CLK>;
+ clock-names = "core_xo",
+ "core_ref",
+ "core_iface",
+ "core_aux",
+ "ctrl_link",
+ "ctrl_link_iface",
+ "stream_pixel";
+ #clock-cells = <1>;
+ assigned-clocks = <&dispcc DISP_CC_MDSS_EDP_LINK_CLK_SRC>,
+ <&dispcc DISP_CC_MDSS_EDP_PIXEL_CLK_SRC>;
+ assigned-clock-parents = <&edp_phy 0>, <&edp_phy 1>;
+
+ phys = <&edp_phy>;
+ phy-names = "dp";
+
+ operating-points-v2 = <&edp_opp_table>;
+ power-domains = <&rpmhpd SC7280_CX>;
+
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ edp_in: endpoint {
+ remote-endpoint = <&dpu_intf5_out>;
+ };
+ };
+ };
+
+ edp_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-160000000 {
+ opp-hz = /bits/ 64 <160000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ };
+
+ opp-270000000 {
+ opp-hz = /bits/ 64 <270000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-540000000 {
+ opp-hz = /bits/ 64 <540000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ };
+
+ opp-810000000 {
+ opp-hz = /bits/ 64 <810000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ };
+ };
+ };
+
+ edp_phy: phy@aec2000 {

unit address needs to match first reg property. This should be

edp_phy: phy@aec2a00

+ compatible = "qcom,sc7280-edp-phy";
+
+ reg = <0 0xaec2a00 0 0x19c>,
+ <0 0xaec2200 0 0xa0>,
+ <0 0xaec2600 0 0xa0>,
+ <0 0xaec2000 0 0x1c0>;
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_EDP_CLKREF_EN>;
+ clock-names = "aux",
+ "cfg_ahb";
+
+ #clock-cells = <1>;
+ #phy-cells = <0>;
+
+ status = "disabled";
+ };
};

pdc: interrupt-controller@b220000 {
@@ -3932,6 +4036,7 @@
<&CPU3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
};
+

Drop this?