[PATCH 1/3] dt-bindings: clock: Document gpucc for msm8998

Jeffrey Hugo
2019-05-28T16:47:45Z

The GPU for msm8998 has its own clock controller. Document it.

Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
---
.../devicetree/bindings/clock/qcom,gpucc.txt | 4 ++-
.../dt-bindings/clock/qcom,gpucc-msm8998.h | 29 +++++++++++++++++++
2 files changed, 32 insertions(+), 1 deletion(-)
create mode 100644 include/dt-bindings/clock/qcom,gpucc-msm8998.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,gpucc.txt b/Documentation/devicetree/bindings/clock/qcom,gpucc.txt
index 4e5215ef1acd..269afe8a757e 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gpucc.txt
+++ b/Documentation/devicetree/bindings/clock/qcom,gpucc.txt
@@ -2,13 +2,15 @@ Qualcomm Graphics Clock & Reset Controller Binding
--------------------------------------------------

Required properties :
-- compatible : shall contain "qcom,sdm845-gpucc"
+- compatible : shall contain "qcom,sdm845-gpucc" or "qcom,msm8998-gpucc"
- reg : shall contain base register location and length
- #clock-cells : from common clock binding, shall contain 1
- #reset-cells : from common reset binding, shall contain 1
- #power-domain-cells : from generic power domain binding, shall contain 1
- clocks : shall contain the XO clock
+ shall contain the gpll0 out main clock (msm8998)
- clock-names : shall be "xo"
+ shall be "gpll0" (msm8998)

Example:
gpucc: clock-controller@5090000 {
diff --git a/include/dt-bindings/clock/qcom,gpucc-msm8998.h b/include/dt-bindings/clock/qcom,gpucc-msm8998.h
new file mode 100644
index 000000000000..2623570ee974
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,gpucc-msm8998.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019, Jeffrey Hugo
+ */
+
+#ifndef _DT_BINDINGS_CLK_MSM_GPUCC_8998_H
+#define _DT_BINDINGS_CLK_MSM_GPUCC_8998_H
+
+#define GPUPLL0 0
+#define GPUPLL0_OUT_EVEN 1
+#define RBCPR_CLK_SRC 2
+#define GFX3D_CLK_SRC 3
+#define RBBMTIMER_CLK_SRC 4
+#define GFX3D_ISENSE_CLK_SRC 5
+#define RBCPR_CLK 6
+#define GFX3D_CLK 7
+#define RBBMTIMER_CLK 8
+#define GFX3D_ISENSE_CLK 9
+#define GPUCC_CXO_CLK 10
+
+#define GPU_CX_BCR 0
+#define RBCPR_BCR 1
+#define GPU_GX_BCR 2
+#define GPU_ISENSE_BCR 3
+
+#define GPU_CX_GDSC 1
+#define GPU_GX_GDSC 2
+
+#endif
--
2.17.1