dt-bindings: clock: Add SM8350 VIDEOCC

SM8350, like most recent higher-end chips has a separate clock
controller block just for the Venus IP. Document it.

The binding was separated as the driver, unlike the earlier ones, doesn't
expect clock-names to keep it easier to maintain.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230413-topic-lahaina_vidcc-v4-1-86c714a66a81@linaro.org

diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8350-videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8350-videocc.yaml
new file mode 100644 (file)
index 0000000..23505c8
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm8350-videocc.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm8350-videocc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SM8350 Video Clock & Reset Controller
+
+maintainers:
+  - Konrad Dybcio <konrad.dybcio@linaro.org>
+
+description: |
+  Qualcomm video clock control module provides the clocks, resets and power
+  domains on Qualcomm SoCs.
+
+  See also::
+    include/dt-bindings/clock/qcom,videocc-sm8350.h
+    include/dt-bindings/reset/qcom,videocc-sm8350.h
+
+properties:
+  compatible:
+    const: qcom,sm8350-videocc
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: Board active XO source
+      - description: Board sleep clock
+
+  power-domains:
+    description:
+      A phandle and PM domain specifier for the MMCX power domain.
+    maxItems: 1
+
+  required-opps:
+    description:
+      A phandle to an OPP node describing required MMCX performance point.
+    maxItems: 1
+
+required:
+  - compatible
+  - clocks
+  - power-domains
+  - required-opps
+
+allOf:
+  - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    clock-controller@abf0000 {
+      compatible = "qcom,sm8350-videocc";
+      reg = <0x0abf0000 0x10000>;
+      clocks = <&rpmhcc RPMH_CXO_CLK>,
+               <&rpmhcc RPMH_CXO_CLK_A>,
+               <&sleep_clk>;
+      power-domains = <&rpmhpd SM8350_MMCX>;
+      required-opps = <&rpmhpd_opp_low_svs>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...

diff --git a/include/dt-bindings/clock/qcom,sm8350-videocc.h b/include/dt-bindings/clock/qcom,sm8350-videocc.h
new file mode 100644 (file)
index 0000000..b6945a4
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sm8350-videocc.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_VIDEO_CC_SM8350_H
+#define _DT_BINDINGS_CLK_QCOM_VIDEO_CC_SM8350_H
+
+/* Clocks */
+#define VIDEO_CC_AHB_CLK_SRC                                   0
+#define VIDEO_CC_MVS0_CLK                                      1
+#define VIDEO_CC_MVS0_CLK_SRC                                  2
+#define VIDEO_CC_MVS0_DIV_CLK_SRC                              3
+#define VIDEO_CC_MVS0C_CLK                                     4
+#define VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC                                5
+#define VIDEO_CC_MVS1_CLK                                      6
+#define VIDEO_CC_MVS1_CLK_SRC                                  7
+#define VIDEO_CC_MVS1_DIV2_CLK                                 8
+#define VIDEO_CC_MVS1_DIV_CLK_SRC                              9
+#define VIDEO_CC_MVS1C_CLK                                     10
+#define VIDEO_CC_MVS1C_DIV2_DIV_CLK_SRC                                11
+#define VIDEO_CC_SLEEP_CLK                                     12
+#define VIDEO_CC_SLEEP_CLK_SRC                                 13
+#define VIDEO_CC_XO_CLK_SRC                                    14
+#define VIDEO_PLL0                                             15
+#define VIDEO_PLL1                                             16
+
+/* GDSCs */
+#define MVS0C_GDSC                                             0
+#define MVS1C_GDSC                                             1
+#define MVS0_GDSC                                              2
+#define MVS1_GDSC                                              3
+
+#endif

diff --git a/include/dt-bindings/reset/qcom,sm8350-videocc.h b/include/dt-bindings/reset/qcom,sm8350-videocc.h
new file mode 100644 (file)
index 0000000..cd356b2
--- /dev/null
+++ b/include/dt-bindings/reset/qcom,sm8350-videocc.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DT_BINDINGS_RESET_QCOM_VIDEO_CC_SM8350_H
+#define _DT_BINDINGS_RESET_QCOM_VIDEO_CC_SM8350_H
+
+#define VIDEO_CC_CVP_INTERFACE_BCR                             0
+#define VIDEO_CC_CVP_MVS0_BCR                                  1
+#define VIDEO_CC_MVS0C_CLK_ARES                                        2
+#define VIDEO_CC_CVP_MVS0C_BCR                                 3
+#define VIDEO_CC_CVP_MVS1_BCR                                  4
+#define VIDEO_CC_MVS1C_CLK_ARES                                        5
+#define VIDEO_CC_CVP_MVS1C_BCR                                 6
+
+#endif