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dt-bindings: display/msm: Add SM6150 MDSS & DPU
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Document the MDSS and DPU hardware found on the Qualcomm SM6150 platform.

Signed-off-by: Li Liu <quic_lliu6@quicinc.com>
Signed-off-by: Fange Zhang <quic_fangez@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/628003/
Link: https://lore.kernel.org/r/20241210-add-display-support-for-qcs615-platform-v4-3-2d875a67602d@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Li Liu authored and Dmitry Baryshkov committed Dec 15, 2024
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108 changes: 108 additions & 0 deletions Documentation/devicetree/bindings/display/msm/qcom,sm6150-dpu.yaml
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/qcom,sm6150-dpu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SM6150 Display DPU

maintainers:
- Abhinav Kumar <quic_abhinavk@quicinc.com>
- Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

$ref: /schemas/display/msm/dpu-common.yaml#

properties:
compatible:
const: qcom,sm6150-dpu

reg:
items:
- description: Address offset and size for mdp register set
- description: Address offset and size for vbif register set

reg-names:
items:
- const: mdp
- const: vbif

clocks:
items:
- description: Display ahb clock
- description: Display hf axi clock
- description: Display core clock
- description: Display vsync clock

clock-names:
items:
- const: iface
- const: bus
- const: core
- const: vsync

unevaluatedProperties: false

examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom,rpmhpd.h>
display-controller@ae01000 {
compatible = "qcom,sm6150-dpu";
reg = <0x0ae01000 0x8f000>,
<0x0aeb0000 0x2008>;
reg-names = "mdp", "vbif";
clocks = <&dispcc_mdss_ahb_clk>,
<&gcc_disp_hf_axi_clk>,
<&dispcc_mdss_mdp_clk>,
<&dispcc_mdss_vsync_clk>;
clock-names = "iface", "bus", "core", "vsync";
assigned-clocks = <&dispcc_mdss_vsync_clk>;
assigned-clock-rates = <19200000>;
operating-points-v2 = <&mdp_opp_table>;
power-domains = <&rpmhpd RPMHPD_CX>;
interrupt-parent = <&mdss>;
interrupts = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dpu_intf0_out: endpoint {
};
};
port@1 {
reg = <1>;
dpu_intf1_out: endpoint {
remote-endpoint = <&mdss_dsi0_in>;
};
};
};
mdp_opp_table: opp-table {
compatible = "operating-points-v2";
opp-19200000 {
opp-hz = /bits/ 64 <19200000>;
required-opps = <&rpmhpd_opp_low_svs>;
};
opp-25600000 {
opp-hz = /bits/ 64 <25600000>;
required-opps = <&rpmhpd_opp_svs>;
};
opp-307200000 {
opp-hz = /bits/ 64 <307200000>;
required-opps = <&rpmhpd_opp_nom>;
};
};
};
...
245 changes: 245 additions & 0 deletions Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/qcom,sm6150-mdss.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SM6150 Display MDSS

maintainers:
- Abhinav Kumar <quic_abhinavk@quicinc.com>
- Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

description:
Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates
sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree
bindings of MDSS are mentioned for SM6150 target.

$ref: /schemas/display/msm/mdss-common.yaml#

properties:
compatible:
items:
- const: qcom,sm6150-mdss

clocks:
items:
- description: Display AHB clock from gcc
- description: Display hf axi clock
- description: Display core clock

clock-names:
items:
- const: iface
- const: bus
- const: core

iommus:
maxItems: 1

interconnects:
maxItems: 2

interconnect-names:
maxItems: 2

patternProperties:
"^display-controller@[0-9a-f]+$":
type: object
additionalProperties: true
properties:
compatible:
const: qcom,sm6150-dpu

"^dsi@[0-9a-f]+$":
type: object
additionalProperties: true
properties:
compatible:
items:
- const: qcom,sm6150-dsi-ctrl
- const: qcom,mdss-dsi-ctrl

"^phy@[0-9a-f]+$":
type: object
additionalProperties: true
properties:
compatible:
const: qcom,sm6150-dsi-phy-14nm

unevaluatedProperties: false

examples:
- |
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/interconnect/qcom,icc.h>
#include <dt-bindings/interconnect/qcom,qcs615-rpmh.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom,rpmhpd.h>
display-subsystem@ae00000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "qcom,sm6150-mdss";
reg = <0x0ae00000 0x1000>;
reg-names = "mdss";
interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ALWAYS
&mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
&config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE_ONLY>;
interconnect-names = "mdp0-mem", "cpu-cfg";
power-domains = <&dispcc_mdss_gdsc>;
clocks = <&dispcc_mdss_ahb_clk>,
<&gcc_disp_hf_axi_clk>,
<&dispcc_mdss_mdp_clk>;
interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <1>;
iommus = <&apps_smmu 0x800 0x0>;
ranges;
display-controller@ae01000 {
compatible = "qcom,sm6150-dpu";
reg = <0x0ae01000 0x8f000>,
<0x0aeb0000 0x2008>;
reg-names = "mdp", "vbif";
clocks = <&dispcc_mdss_ahb_clk>,
<&gcc_disp_hf_axi_clk>,
<&dispcc_mdss_mdp_clk>,
<&dispcc_mdss_vsync_clk>;
clock-names = "iface", "bus", "core", "vsync";
assigned-clocks = <&dispcc_mdss_vsync_clk>;
assigned-clock-rates = <19200000>;
operating-points-v2 = <&mdp_opp_table>;
power-domains = <&rpmhpd RPMHPD_CX>;
interrupt-parent = <&mdss>;
interrupts = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dpu_intf0_out: endpoint {
};
};
port@1 {
reg = <1>;
dpu_intf1_out: endpoint {
remote-endpoint = <&mdss_dsi0_in>;
};
};
};
mdp_opp_table: opp-table {
compatible = "operating-points-v2";
opp-19200000 {
opp-hz = /bits/ 64 <19200000>;
required-opps = <&rpmhpd_opp_low_svs>;
};
opp-25600000 {
opp-hz = /bits/ 64 <25600000>;
required-opps = <&rpmhpd_opp_svs>;
};
opp-307200000 {
opp-hz = /bits/ 64 <307200000>;
required-opps = <&rpmhpd_opp_nom>;
};
};
};
dsi@ae94000 {
compatible = "qcom,sm6150-dsi-ctrl",
"qcom,mdss-dsi-ctrl";
reg = <0x0ae94000 0x400>;
reg-names = "dsi_ctrl";
interrupt-parent = <&mdss>;
interrupts = <4>;
clocks = <&dispcc_mdss_byte0_clk>,
<&dispcc_mdss_byte0_intf_clk>,
<&dispcc_mdss_pclk0_clk>,
<&dispcc_mdss_esc0_clk>,
<&dispcc_mdss_ahb_clk>,
<&gcc_disp_hf_axi_clk>;
clock-names = "byte",
"byte_intf",
"pixel",
"core",
"iface",
"bus";
assigned-clocks = <&dispcc_mdss_byte0_clk_src>,
<&dispcc_mdss_pclk0_clk_src>;
assigned-clock-parents = <&mdss_dsi0_phy 0>,
<&mdss_dsi0_phy 1>;
operating-points-v2 = <&dsi0_opp_table>;
phys = <&mdss_dsi0_phy>;
#address-cells = <1>;
#size-cells = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
mdss_dsi0_in: endpoint {
remote-endpoint = <&dpu_intf1_out>;
};
};
port@1 {
reg = <1>;
mdss_dsi0_out: endpoint {
};
};
};
dsi0_opp_table: opp-table {
compatible = "operating-points-v2";
opp-164000000 {
opp-hz = /bits/ 64 <164000000>;
required-opps = <&rpmhpd_opp_low_svs>;
};
};
};
mdss_dsi0_phy: phy@ae94400 {
compatible = "qcom,sm6150-dsi-phy-14nm";
reg = <0x0ae94400 0x100>,
<0x0ae94500 0x300>,
<0x0ae94800 0x188>;
reg-names = "dsi_phy",
"dsi_phy_lane",
"dsi_pll";
#clock-cells = <1>;
#phy-cells = <0>;
clocks = <&dispcc_mdss_ahb_clk>,
<&rpmhcc RPMH_CXO_CLK>;
clock-names = "iface", "ref";
};
};
...

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