[PATCH v4 04/10] dt-bindings: clock: Add Qualcomm QCS615 Display clock controller

Taniya Das
2025-01-19T10:23:42Z

Add DT bindings for the Display clock on QCS615 platforms. Add the
relevant DT include definitions as well.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
---
.../bindings/clock/qcom,qcs615-dispcc.yaml | 73 ++++++++++++++++++++++
include/dt-bindings/clock/qcom,qcs615-dispcc.h | 52 +++++++++++++++
2 files changed, 125 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,qcs615-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,qcs615-dispcc.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..43346ae7e56ef88bc57e450f6f6fe428c649215e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,qcs615-dispcc.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,qcs615-dispcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller on QCS615
+
+maintainers:
+ - Ajit Pandey <quic_ajipan@quicinc.com>
+ - Taniya Das <quic_tdas@quicinc.com>
+
+description: |
+ Qualcomm display clock control module provides the clocks, resets and power
+ domains on QCS615
+
+ See also: include/dt-bindings/clock/qcom,qcs615-dispcc.h
+
+properties:
+ compatible:
+ const: qcom,qcs615-dispcc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Board XO source
+ - description: GPLL0 clock source from GCC
+ - description: Byte clock from DSI PHY0
+ - description: Pixel clock from DSI PHY0
+ - description: Pixel clock from DSI PHY1
+ - description: Display port PLL link clock
+ - description: Display port PLL VCO DIV clock
+
+ '#clock-cells':
+ const: 1
+
+ '#reset-cells':
+ const: 1
+
+ '#power-domain-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - '#clock-cells'
+ - '#reset-cells'
+ - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/clock/qcom,qcs615-gcc.h>
+ clock-controller@af00000 {
+ compatible = "qcom,qcs615-dispcc";
+ reg = <0x0af00000 0x20000>;
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
+ <&mdss_dsi0_phy 0>,
+ <&mdss_dsi0_phy 1>,
+ <&mdss_dsi1_phy 0>,
+ <&mdss_dp_phy 0>,
+ <&mdss_dp_vco 0>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ #power-domain-cells = <1>;
+ };
+...
diff --git a/include/dt-bindings/clock/qcom,qcs615-dispcc.h b/include/dt-bindings/clock/qcom,qcs615-dispcc.h
new file mode 100644
index 0000000000000000000000000000000000000000..9a29945c5762ce06285a2f4e6a55c13bfaadc5c2
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,qcs615-dispcc.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_QCS615_H
+#define _DT_BINDINGS_CLK_QCOM_DISP_CC_QCS615_H
+
+/* DISP_CC clocks */
+#define DISP_CC_MDSS_AHB_CLK 0
+#define DISP_CC_MDSS_AHB_CLK_SRC 1
+#define DISP_CC_MDSS_BYTE0_CLK 2
+#define DISP_CC_MDSS_BYTE0_CLK_SRC 3
+#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC 4
+#define DISP_CC_MDSS_BYTE0_INTF_CLK 5
+#define DISP_CC_MDSS_DP_AUX_CLK 6
+#define DISP_CC_MDSS_DP_AUX_CLK_SRC 7
+#define DISP_CC_MDSS_DP_CRYPTO_CLK 8
+#define DISP_CC_MDSS_DP_CRYPTO_CLK_SRC 9
+#define DISP_CC_MDSS_DP_LINK_CLK 10
+#define DISP_CC_MDSS_DP_LINK_CLK_SRC 11
+#define DISP_CC_MDSS_DP_LINK_DIV_CLK_SRC 12
+#define DISP_CC_MDSS_DP_LINK_INTF_CLK 13
+#define DISP_CC_MDSS_DP_PIXEL1_CLK 14
+#define DISP_CC_MDSS_DP_PIXEL1_CLK_SRC 15
+#define DISP_CC_MDSS_DP_PIXEL_CLK 16
+#define DISP_CC_MDSS_DP_PIXEL_CLK_SRC 17
+#define DISP_CC_MDSS_ESC0_CLK 18
+#define DISP_CC_MDSS_ESC0_CLK_SRC 19
+#define DISP_CC_MDSS_MDP_CLK 20
+#define DISP_CC_MDSS_MDP_CLK_SRC 21
+#define DISP_CC_MDSS_MDP_LUT_CLK 22
+#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 23
+#define DISP_CC_MDSS_PCLK0_CLK 24
+#define DISP_CC_MDSS_PCLK0_CLK_SRC 25
+#define DISP_CC_MDSS_ROT_CLK 26
+#define DISP_CC_MDSS_ROT_CLK_SRC 27
+#define DISP_CC_MDSS_RSCC_AHB_CLK 28
+#define DISP_CC_MDSS_RSCC_VSYNC_CLK 29
+#define DISP_CC_MDSS_VSYNC_CLK 30
+#define DISP_CC_MDSS_VSYNC_CLK_SRC 31
+#define DISP_CC_PLL0 32
+#define DISP_CC_XO_CLK 33
+
+/* DISP_CC power domains */
+#define MDSS_CORE_GDSC 0
+
+/* DISP_CC resets */
+#define DISP_CC_MDSS_CORE_BCR 0
+#define DISP_CC_MDSS_RSCC_BCR 1
+
+#endif

--
2.45.2