linux-kernel - [PATCH 1/2] dt-bindings: clock: qcom: Document the X1E80100 TCSR Clock Controller

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Date:   Wed, 22 Nov 2023 15:42:12 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>
Cc:     linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH 1/2] dt-bindings: clock: qcom: Document the X1E80100 TCSR
 Clock Controller

Add bindings documentation for the X1E80100 TCSR Clock Controller.

Co-developed-by: Rajendra Nayak <quic_rjendra@...cinc.com>
Signed-off-by: Rajendra Nayak <quic_rjendra@...cinc.com>
Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 .../bindings/clock/qcom,x1e80100-tcsr.yaml         | 55 ++++++++++++++++++++++
 include/dt-bindings/clock/qcom,x1e80100-tcsr.h     | 23 +++++++++
 2 files changed, 78 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,x1e80100-tcsr.yaml b/Documentation/devicetree/bindings/clock/qcom,x1e80100-tcsr.yaml
new file mode 100644
index 000000000000..4adc8ee0287c
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,x1e80100-tcsr.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,x1e80100-tcsr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm TCSR Clock Controller on X1E80100
+
+maintainers:
+  - Bjorn Andersson <andersson@...nel.org>
+
+description: |
+  Qualcomm TCSR clock control module provides the clocks, resets and
+  power domains on X1E80100
+
+  See also:: include/dt-bindings/clock/qcom,x1e80100-tcsr.h
+
+properties:
+  compatible:
+    items:
+      - const: qcom,x1e80100-tcsr
+      - const: syscon
+
+  clocks:
+    items:
+      - description: TCXO pad clock
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+
+    clock-controller@...0000 {
+      compatible = "qcom,x1e80100-tcsr", "syscon";
+      reg = <0x1fc0000 0x30000>;
+      clocks = <&rpmhcc RPMH_CXO_CLK>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+    };
+
+...
diff --git a/include/dt-bindings/clock/qcom,x1e80100-tcsr.h b/include/dt-bindings/clock/qcom,x1e80100-tcsr.h
new file mode 100644
index 000000000000..bae2c4654ee2
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,x1e80100-tcsr.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_X1E80100_TCSR_CC_H
+#define _DT_BINDINGS_CLK_QCOM_X1E80100_TCSR_CC_H
+
+/* TCSR CC clocks */
+#define TCSR_PCIE_2L_4_CLKREF_EN				0
+#define TCSR_PCIE_2L_5_CLKREF_EN				1
+#define TCSR_PCIE_8L_CLKREF_EN					2
+#define TCSR_USB3_MP0_CLKREF_EN					3
+#define TCSR_USB3_MP1_CLKREF_EN					4
+#define TCSR_USB2_1_CLKREF_EN					5
+#define TCSR_UFS_PHY_CLKREF_EN					6
+#define TCSR_USB4_1_CLKREF_EN					7
+#define TCSR_USB4_2_CLKREF_EN					8
+#define TCSR_USB2_2_CLKREF_EN					9
+#define TCSR_PCIE_4L_CLKREF_EN					10
+#define TCSR_EDP_CLKREF_EN					11
+
+#endif

-- 
2.34.1