Re: [PATCH v3 09/11] arm64: dts: qcom: sm8350: Add display system nodes
From: Dmitry Baryshkov
Date: Mon Dec 05 2022 - 11:45:48 EST
On 05/12/2022 18:37, Robert Foss wrote:
Add mdss, mdss_mdp, dsi0, dsi0_phy nodes. With these
nodes the display subsystem is configured to support
one DSI output.
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8350.dtsi | 199 ++++++++++++++++++++++++++-
1 file changed, 195 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 434f8e8b12c1..fb1c616c5e89 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -3,6 +3,7 @@
* Copyright (c) 2020, Linaro Limited
*/
+#include <dt-bindings/interconnect/qcom,sm8350.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,dispcc-sm8350.h>
#include <dt-bindings/clock/qcom,gcc-sm8350.h>
@@ -2536,14 +2537,203 @@ usb_2_dwc3: usb@a800000 {
};
};
+ mdss: mdss@ae00000 {
display-sybsystem@
I also had this issue in sm8450.dtsi (and I'm going to fix it in the
next revision).
+ compatible = "qcom,sm8350-mdss";
+ reg = <0 0x0ae00000 0 0x1000>;
+ reg-names = "mdss";
+
+ interconnects = <&mmss_noc MASTER_MDP0 0 &mc_virt SLAVE_EBI1 0>,
+ <&mmss_noc MASTER_MDP1 0 &mc_virt SLAVE_EBI1 0>;
+ interconnect-names = "mdp0-mem", "mdp1-mem";
+
+ power-domains = <&dispcc MDSS_GDSC>;
+ resets = <&dispcc DISP_CC_MDSS_CORE_BCR>;
+
+ clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&gcc GCC_DISP_HF_AXI_CLK>,
+ <&gcc GCC_DISP_SF_AXI_CLK>,
+ <&dispcc DISP_CC_MDSS_MDP_CLK>;
+ clock-names = "iface", "bus", "nrt_bus", "core";
+
+ interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ iommus = <&apps_smmu 0x820 0x402>;
+
+ status = "disabled";
+
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ mdss_mdp: display-controller@ae01000 {
+ compatible = "qcom,sm8350-dpu";
+ reg = <0 0x0ae01000 0 0x8f000>,
+ <0 0x0aeb0000 0 0x2008>;
+ reg-names = "mdp", "vbif";
+
+ clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
+ <&gcc GCC_DISP_SF_AXI_CLK>,
+ <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
+ <&dispcc DISP_CC_MDSS_MDP_CLK>,
+ <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+ clock-names = "bus",
+ "nrt_bus",
+ "iface",
+ "lut",
+ "core",
+ "vsync";
+
+ assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ operating-points-v2 = <&mdp_opp_table>;
+ power-domains = <&rpmhpd SM8350_MMCX>;
+
+ interrupt-parent = <&mdss>;
+ interrupts = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dpu_intf1_out: endpoint {
+ remote-endpoint = <&dsi0_in>;
+ };
+ };
+ };
+ };
+
+ 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";
+
+ assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>,
+ <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>;
+ assigned-clock-parents = <&dsi0_phy 0>,
+ <&dsi0_phy 1>;
+
+ operating-points-v2 = <&dsi_opp_table>;
+ power-domains = <&rpmhpd SM8350_MMCX>;
+
+ phys = <&dsi0_phy>;
+
+ 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 {
+ };
+ };
+ };
+
+ mdp_opp_table: opp-table {
The mdp (dpu?) opp table belongs to the display-controller node.
+ compatible = "operating-points-v2";
+
+ /* TODO: opp-200000000 should work with
+ * &rpmhpd_opp_low_svs, but one some of
+ * sm8350_hdk boards reboot using this
+ * opp.
+ */
+ opp-200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
I have been changing the dsi's opp table, not this one.
+ opp-300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-345000000 {
+ opp-hz = /bits/ 64 <345000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ };
+
+ opp-460000000 {
+ opp-hz = /bits/ 64 <460000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ };
+ };
+ };
+
+ dsi0_phy: phy@ae94400 {
+ compatible = "qcom,dsi-phy-5nm-8350";
+ reg = <0 0x0ae94400 0 0x200>,
+ <0 0x0ae94600 0 0x280>,
+ <0 0x0ae94900 0 0x260>;
+ 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";
+
+ dsi_opp_table: dsi-opp-table {
And this table should go to dsi node.
+ 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>;
+ };
+ };
+ };
+ };
+
dispcc: clock-controller@af00000 {
compatible = "qcom,sm8350-dispcc";
reg = <0 0x0af00000 0 0x10000>;
clocks = <&rpmhcc RPMH_CXO_CLK>,
- <0>,
- <0>,
- <0>,
- <0>,
+ <&dsi0_phy 0>, <&dsi0_phy 1>,
+ <0>, <0>,
Let's probably add both DSI controllers and DSI PHYs. It's fine if you
can not verify the second one for real.
<0>,
<0>;
clock-names = "bi_tcxo",
@@ -2558,6 +2748,7 @@ dispcc: clock-controller@af00000 {
#power-domain-cells = <1>;
power-domains = <&rpmhpd SM8350_MMCX>;
+ required-opps = <&rpmhpd_opp_low_svs>;
As it's not a turbo level anymore, can we drop it completely?
};
adsp: remoteproc@17300000 {
--
With best wishes
Dmitry