[PATCH v3 2/3] arm64: dts: qcom: sc7280: Add DSI display nodes

From: Sankeerth Billakanti
Date: Tue Nov 02 2021 - 07:32:09 EST


From: Krishna Manikandan <quic_mkrishn@xxxxxxxxxxx>

Add DSI controller and PHY nodes for sc7280.

Signed-off-by: Rajeev Nandan <quic_rajeevny@xxxxxxxxxxx>
Signed-off-by: Krishna Manikandan <quic_mkrishn@xxxxxxxxxxx>
Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Signed-off-by: Sankeerth Billakanti <quic_sbillaka@xxxxxxxxxxx>
---

Changes in v3:
- Add the dsi_phy clocks (Kuogee Hsieh)
- One clock cell per line (Stephen Boyd)

Changes in v2:
- Drop flags from interrupts (Stephen Boyd)
- Rename dsi-opp-table (Stephen Boyd)
- Rename dsi phy node (Stephen Boyd)

arch/arm64/boot/dts/qcom/sc7280.dtsi | 111 ++++++++++++++++++++++++++++++++++-
1 file changed, 109 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index a4536b6..12c4d32 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2691,8 +2691,14 @@
reg = <0 0xaf00000 0 0x20000>;
clocks = <&rpmhcc RPMH_CXO_CLK>,
<&gcc GCC_DISP_GPLL0_CLK_SRC>,
- <0>, <0>, <0>, <0>, <0>, <0>;
- clock-names = "bi_tcxo", "gcc_disp_gpll0_clk",
+ <&dsi_phy 0>,
+ <&dsi_phy 1>,
+ <0>,
+ <0>,
+ <0>,
+ <0>;
+ clock-names = "bi_tcxo",
+ "gcc_disp_gpll0_clk",
"dsi0_phy_pll_out_byteclk",
"dsi0_phy_pll_out_dsiclk",
"dp_phy_pll_link_clk",
@@ -2768,6 +2774,18 @@

status = "disabled";

+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dpu_intf1_out: endpoint {
+ remote-endpoint = <&dsi0_in>;
+ };
+ };
+ };
+
mdp_opp_table: opp-table {
compatible = "operating-points-v2";

@@ -2792,6 +2810,95 @@
};
};
};
+
+ dsi0: dsi@ae94000 {
+ compatible = "qcom,mdss-dsi-ctrl";
+ reg = <0 0x0ae94000 0 0x400>;
+ reg-names = "dsi_ctrl";
+
+ interrupt-parent = <&mdss>;
+ interrupts = <4>;
+
+ clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK>,
+ <&dispcc DISP_CC_MDSS_BYTE0_INTF_CLK>,
+ <&dispcc DISP_CC_MDSS_PCLK0_CLK>,
+ <&dispcc DISP_CC_MDSS_ESC0_CLK>,
+ <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&gcc GCC_DISP_HF_AXI_CLK>;
+ clock-names = "byte",
+ "byte_intf",
+ "pixel",
+ "core",
+ "iface",
+ "bus";
+
+ operating-points-v2 = <&dsi_opp_table>;
+ power-domains = <&rpmhpd SC7280_CX>;
+
+ phys = <&dsi_phy>;
+ phy-names = "dsi";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dsi0_in: endpoint {
+ remote-endpoint = <&dpu_intf1_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dsi0_out: endpoint {
+ };
+ };
+ };
+
+ dsi_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-187500000 {
+ opp-hz = /bits/ 64 <187500000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ };
+
+ opp-300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-358000000 {
+ opp-hz = /bits/ 64 <358000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ };
+ };
+ };
+
+ dsi_phy: phy@ae94400 {
+ compatible = "qcom,sc7280-dsi-phy-7nm";
+ reg = <0 0x0ae94400 0 0x200>,
+ <0 0x0ae94600 0 0x280>,
+ <0 0x0ae94900 0 0x280>;
+ reg-names = "dsi_phy",
+ "dsi_phy_lane",
+ "dsi_pll";
+
+ #clock-cells = <1>;
+ #phy-cells = <0>;
+
+ clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "iface", "ref";
+
+ status = "disabled";
+ };
};

pdc: interrupt-controller@b220000 {
--
2.7.4