dt-bindings: clock: Add Qualcomm SC8280XP display clock bindings

The Qualcomm SC8280XP platform has two display clock controllers, add a
binding for these.

Signed-off-by: Bjorn Andersson <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

Documentation/devicetree/bindings/clock/qcom,dispcc-sc8280xp.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,dispcc-sc8280xp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller Binding for SC8280XP
+
+maintainers:
+  - Bjorn Andersson <[e-mail]>
+
+description: |
+  Qualcomm display clock control module which supports the clocks, resets and
+  power domains for the two MDSS instances on SC8280XP.
+
+  See also:
+    include/dt-bindings/clock/qcom,dispcc-sc8280xp.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sc8280xp-dispcc0
+      - qcom,sc8280xp-dispcc1
+
+  clocks:
+    items:
+      - description: AHB interface clock,
+      - description: SoC CXO clock
+      - description: SoC sleep clock
+      - description: DisplayPort 0 link clock
+      - description: DisplayPort 0 VCO div clock
+      - description: DisplayPort 1 link clock
+      - description: DisplayPort 1 VCO div clock
+      - description: DisplayPort 2 link clock
+      - description: DisplayPort 2 VCO div clock
+      - description: DisplayPort 3 link clock
+      - description: DisplayPort 3 VCO div clock
+      - description: DSI 0 PLL byte clock
+      - description: DSI 0 PLL DSI clock
+      - description: DSI 1 PLL byte clock
+      - description: DSI 1 PLL DSI clock
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    items:
+      - description: MMCX power domain
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#clock-cells'
+  - '#reset-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-sc8280xp.h>
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+    clock-controller@af00000 {
+      compatible = "qcom,sc8280xp-dispcc0";
+      reg = <0x0af00000 0x20000>;
+      clocks = <&gcc GCC_DISP_AHB_CLK>,
+               <&rpmhcc RPMH_CXO_CLK>,
+               <&sleep_clk>,
+               <&mdss0_dp_phy0 0>,
+               <&mdss0_dp_phy0 1>,
+               <&mdss0_dp_phy1 0>,
+               <&mdss0_dp_phy1 1>,
+               <&mdss0_dp_phy2 0>,
+               <&mdss0_dp_phy2 1>,
+               <&mdss0_dp_phy3 0>,
+               <&mdss0_dp_phy3 1>,
+               <&mdss0_dsi0_phy 0>,
+               <&mdss0_dsi0_phy 1>,
+               <&mdss0_dsi1_phy 0>,
+               <&mdss0_dsi1_phy 1>;
+      power-domains = <&rpmhpd SC8280XP_MMCX>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...

include/dt-bindings/clock/qcom,dispcc-sc8280xp.h

···
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SC8280XP_H
+#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SC8280XP_H
+
+/* DISPCC clocks */
+#define DISP_CC_PLL0					0
+#define DISP_CC_PLL1					1
+#define DISP_CC_PLL1_OUT_EVEN				2
+#define DISP_CC_PLL2					3
+#define DISP_CC_MDSS_AHB1_CLK				4
+#define DISP_CC_MDSS_AHB_CLK				5
+#define DISP_CC_MDSS_AHB_CLK_SRC			6
+#define DISP_CC_MDSS_BYTE0_CLK				7
+#define DISP_CC_MDSS_BYTE0_CLK_SRC			8
+#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC			9
+#define DISP_CC_MDSS_BYTE0_INTF_CLK			10
+#define DISP_CC_MDSS_BYTE1_CLK				11
+#define DISP_CC_MDSS_BYTE1_CLK_SRC			12
+#define DISP_CC_MDSS_BYTE1_DIV_CLK_SRC			13
+#define DISP_CC_MDSS_BYTE1_INTF_CLK			14
+#define DISP_CC_MDSS_DPTX0_AUX_CLK			15
+#define DISP_CC_MDSS_DPTX0_AUX_CLK_SRC			16
+#define DISP_CC_MDSS_DPTX0_LINK_CLK			17
+#define DISP_CC_MDSS_DPTX0_LINK_CLK_SRC			18
+#define DISP_CC_MDSS_DPTX0_LINK_DIV_CLK_SRC		19
+#define DISP_CC_MDSS_DPTX0_LINK_INTF_CLK		20
+#define DISP_CC_MDSS_DPTX0_PIXEL0_CLK			21
+#define DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC		22
+#define DISP_CC_MDSS_DPTX0_PIXEL1_CLK			23
+#define DISP_CC_MDSS_DPTX0_PIXEL1_CLK_SRC		24
+#define DISP_CC_MDSS_DPTX0_USB_ROUTER_LINK_INTF_CLK	25
+#define DISP_CC_MDSS_DPTX1_AUX_CLK			26
+#define DISP_CC_MDSS_DPTX1_AUX_CLK_SRC			27
+#define DISP_CC_MDSS_DPTX1_LINK_CLK			28
+#define DISP_CC_MDSS_DPTX1_LINK_CLK_SRC			29
+#define DISP_CC_MDSS_DPTX1_LINK_DIV_CLK_SRC		30
+#define DISP_CC_MDSS_DPTX1_LINK_INTF_CLK		31
+#define DISP_CC_MDSS_DPTX1_PIXEL0_CLK			32
+#define DISP_CC_MDSS_DPTX1_PIXEL0_CLK_SRC		33
+#define DISP_CC_MDSS_DPTX1_PIXEL1_CLK			34
+#define DISP_CC_MDSS_DPTX1_PIXEL1_CLK_SRC		35
+#define DISP_CC_MDSS_DPTX1_USB_ROUTER_LINK_INTF_CLK	36
+#define DISP_CC_MDSS_DPTX2_AUX_CLK			37
+#define DISP_CC_MDSS_DPTX2_AUX_CLK_SRC			38
+#define DISP_CC_MDSS_DPTX2_LINK_CLK			39
+#define DISP_CC_MDSS_DPTX2_LINK_CLK_SRC			40
+#define DISP_CC_MDSS_DPTX2_LINK_DIV_CLK_SRC		41
+#define DISP_CC_MDSS_DPTX2_LINK_INTF_CLK		42
+#define DISP_CC_MDSS_DPTX2_PIXEL0_CLK			43
+#define DISP_CC_MDSS_DPTX2_PIXEL0_CLK_SRC		44
+#define DISP_CC_MDSS_DPTX2_PIXEL1_CLK			45
+#define DISP_CC_MDSS_DPTX2_PIXEL1_CLK_SRC		46
+#define DISP_CC_MDSS_DPTX3_AUX_CLK			47
+#define DISP_CC_MDSS_DPTX3_AUX_CLK_SRC			48
+#define DISP_CC_MDSS_DPTX3_LINK_CLK			49
+#define DISP_CC_MDSS_DPTX3_LINK_CLK_SRC			50
+#define DISP_CC_MDSS_DPTX3_LINK_DIV_CLK_SRC		51
+#define DISP_CC_MDSS_DPTX3_LINK_INTF_CLK		52
+#define DISP_CC_MDSS_DPTX3_PIXEL0_CLK			53
+#define DISP_CC_MDSS_DPTX3_PIXEL0_CLK_SRC		54
+#define DISP_CC_MDSS_ESC0_CLK				55
+#define DISP_CC_MDSS_ESC0_CLK_SRC			56
+#define DISP_CC_MDSS_ESC1_CLK				57
+#define DISP_CC_MDSS_ESC1_CLK_SRC			58
+#define DISP_CC_MDSS_MDP1_CLK				59
+#define DISP_CC_MDSS_MDP_CLK				60
+#define DISP_CC_MDSS_MDP_CLK_SRC			61
+#define DISP_CC_MDSS_MDP_LUT1_CLK			62
+#define DISP_CC_MDSS_MDP_LUT_CLK			63
+#define DISP_CC_MDSS_NON_GDSC_AHB_CLK			64
+#define DISP_CC_MDSS_PCLK0_CLK				65
+#define DISP_CC_MDSS_PCLK0_CLK_SRC			66
+#define DISP_CC_MDSS_PCLK1_CLK				67
+#define DISP_CC_MDSS_PCLK1_CLK_SRC			68
+#define DISP_CC_MDSS_ROT1_CLK				69
+#define DISP_CC_MDSS_ROT_CLK				70
+#define DISP_CC_MDSS_ROT_CLK_SRC			71
+#define DISP_CC_MDSS_RSCC_AHB_CLK			72
+#define DISP_CC_MDSS_RSCC_VSYNC_CLK			73
+#define DISP_CC_MDSS_VSYNC1_CLK				74
+#define DISP_CC_MDSS_VSYNC_CLK				75
+#define DISP_CC_MDSS_VSYNC_CLK_SRC			76
+#define DISP_CC_SLEEP_CLK				77
+#define DISP_CC_SLEEP_CLK_SRC				78
+#define DISP_CC_XO_CLK					79
+#define DISP_CC_XO_CLK_SRC				80
+
+/* DISPCC resets */
+#define DISP_CC_MDSS_CORE_BCR				0
+#define DISP_CC_MDSS_RSCC_BCR				1
+
+/* DISPCC GDSCs */
+#define MDSS_GDSC					0
+#define MDSS_INT2_GDSC					1
+
+#endif