[PATCH v3 2/7] dt-bindings: clock: Add SC7280 DISPCC clock binding

Taniya Das
2021-07-13T15:15:28Z

Add device tree bindings for display clock controller subsystem for
Qualcomm Technology Inc's SC7280 SoCs.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
---
.../bindings/clock/qcom,sc7280-dispcc.yaml | 94 ++++++++++++++++++++++
include/dt-bindings/clock/qcom,dispcc-sc7280.h | 55 +++++++++++++
2 files changed, 149 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml
create mode 100644 include/dt-bindings/clock/qcom,dispcc-sc7280.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml
new file mode 100644
index 0000000..2178666
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sc7280-dispcc.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sc7280-dispcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller Binding for SC7280
+
+maintainers:
+ - Taniya Das <tdas@codeaurora.org>
+
+description: |
+ Qualcomm display clock control module which supports the clocks, resets and
+ power domains on SC7280.
+
+ See also dt-bindings/clock/qcom,dispcc-sc7280.h.
+
+properties:
+ compatible:
+ const: qcom,sc7280-dispcc
+
+ clocks:
+ items:
+ - description: Board XO source
+ - description: GPLL0 source from GCC
+ - description: Byte clock from DSI PHY
+ - description: Pixel clock from DSI PHY
+ - description: Link clock from DP PHY
+ - description: VCO DIV clock from DP PHY
+ - description: Link clock from EDP PHY
+ - description: VCO DIV clock from EDP PHY
+
+ clock-names:
+ items:
+ - const: bi_tcxo
+ - const: gcc_disp_gpll0_clk
+ - const: dsi0_phy_pll_out_byteclk
+ - const: dsi0_phy_pll_out_dsiclk
+ - const: dp_phy_pll_link_clk
+ - const: dp_phy_pll_vco_div_clk
+ - const: edp_phy_pll_link_clk
+ - const: edp_phy_pll_vco_div_clk
+
+ '#clock-cells':
+ const: 1
+
+ '#reset-cells':
+ const: 1
+
+ '#power-domain-cells':
+ const: 1
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - '#clock-cells'
+ - '#reset-cells'
+ - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-sc7280.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ clock-controller@af00000 {
+ compatible = "qcom,sc7280-dispcc";
+ reg = <0x0af00000 0x200000>;
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_DISP_GPLL0_CLK_SRC>,
+ <&dsi_phy 0>,
+ <&dsi_phy 1>,
+ <&dp_phy 0>,
+ <&dp_phy 1>,
+ <&edp_phy 0>,
+ <&edp_phy 1>;
+ clock-names = "bi_tcxo",
+ "gcc_disp_gpll0_clk",
+ "dsi0_phy_pll_out_byteclk",
+ "dsi0_phy_pll_out_dsiclk",
+ "dp_phy_pll_link_clk",
+ "dp_phy_pll_vco_div_clk",
+ "edp_phy_pll_link_clk",
+ "edp_phy_pll_vco_div_clk";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ #power-domain-cells = <1>;
+ };
+...
diff --git a/include/dt-bindings/clock/qcom,dispcc-sc7280.h b/include/dt-bindings/clock/qcom,dispcc-sc7280.h
new file mode 100644
index 0000000..a4a692c
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,dispcc-sc7280.h
@@ -0,0 +1,55 @@
+/* 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_SC7280_H
+#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SC7280_H
+
+/* DISP_CC clocks */
+#define DISP_CC_PLL0 0
+#define DISP_CC_MDSS_AHB_CLK 1
+#define DISP_CC_MDSS_AHB_CLK_SRC 2
+#define DISP_CC_MDSS_BYTE0_CLK 3
+#define DISP_CC_MDSS_BYTE0_CLK_SRC 4
+#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC 5
+#define DISP_CC_MDSS_BYTE0_INTF_CLK 6
+#define DISP_CC_MDSS_DP_AUX_CLK 7
+#define DISP_CC_MDSS_DP_AUX_CLK_SRC 8
+#define DISP_CC_MDSS_DP_CRYPTO_CLK 9
+#define DISP_CC_MDSS_DP_CRYPTO_CLK_SRC 10
+#define DISP_CC_MDSS_DP_LINK_CLK 11
+#define DISP_CC_MDSS_DP_LINK_CLK_SRC 12
+#define DISP_CC_MDSS_DP_LINK_DIV_CLK_SRC 13
+#define DISP_CC_MDSS_DP_LINK_INTF_CLK 14
+#define DISP_CC_MDSS_DP_PIXEL_CLK 15
+#define DISP_CC_MDSS_DP_PIXEL_CLK_SRC 16
+#define DISP_CC_MDSS_EDP_AUX_CLK 17
+#define DISP_CC_MDSS_EDP_AUX_CLK_SRC 18
+#define DISP_CC_MDSS_EDP_LINK_CLK 19
+#define DISP_CC_MDSS_EDP_LINK_CLK_SRC 20
+#define DISP_CC_MDSS_EDP_LINK_DIV_CLK_SRC 21
+#define DISP_CC_MDSS_EDP_LINK_INTF_CLK 22
+#define DISP_CC_MDSS_EDP_PIXEL_CLK 23
+#define DISP_CC_MDSS_EDP_PIXEL_CLK_SRC 24
+#define DISP_CC_MDSS_ESC0_CLK 25
+#define DISP_CC_MDSS_ESC0_CLK_SRC 26
+#define DISP_CC_MDSS_MDP_CLK 27
+#define DISP_CC_MDSS_MDP_CLK_SRC 28
+#define DISP_CC_MDSS_MDP_LUT_CLK 29
+#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 30
+#define DISP_CC_MDSS_PCLK0_CLK 31
+#define DISP_CC_MDSS_PCLK0_CLK_SRC 32
+#define DISP_CC_MDSS_ROT_CLK 33
+#define DISP_CC_MDSS_ROT_CLK_SRC 34
+#define DISP_CC_MDSS_RSCC_AHB_CLK 35
+#define DISP_CC_MDSS_RSCC_VSYNC_CLK 36
+#define DISP_CC_MDSS_VSYNC_CLK 37
+#define DISP_CC_MDSS_VSYNC_CLK_SRC 38
+#define DISP_CC_SLEEP_CLK 39
+#define DISP_CC_XO_CLK 40
+
+/* DISP_CC power domains */
+#define DISP_CC_MDSS_CORE_GDSC 0
+
+#endif
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the Linux Foundation.