[PATCH 3/6] dt-bindings: clock: qcom: Introduce QCOM WCSS Q6DSP clock bindings
From: Govind Singh <hidden>
Date: 2018-10-09 20:23:11
Also in:
linux-remoteproc
Subsystem:
arm/qualcomm mailing list, common clk framework, open firmware and flattened device tree bindings, qualcomm clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Bjorn Andersson, Linus Torvalds
Add device tree bindings for WiFi QDSP subsystem clock controls found in OCS405 soc. Signed-off-by: Govind Singh <redacted> --- .../devicetree/bindings/clock/qcom,wcsscc.txt | 26 ++++++++++++++++++++++ include/dt-bindings/clock/qcom,wcss-qcs404.h | 24 ++++++++++++++++++++ 2 files changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,wcsscc.txt create mode 100644 include/dt-bindings/clock/qcom,wcss-qcs404.h
diff --git a/Documentation/devicetree/bindings/clock/qcom,wcsscc.txt b/Documentation/devicetree/bindings/clock/qcom,wcsscc.txt
new file mode 100644
index 0000000..2b19ef0
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,wcsscc.txt@@ -0,0 +1,26 @@ +Qualcomm WCSS Clock Controller Binding +----------------------------------------------- + +Required properties : +- compatible : shall contain "qcom,qcs404-wcsscc" +- #clock-cells : from common clock binding, shall contain 1. +- reg : shall contain base register address and size, + in the order + Index-0 maps to WCSS_Q6SSTOP clocks register region + Index-1 maps to WCSS_TCSR register region + Index-2 maps to WCSS_QDSP6SS register region + +Optional properties : +- reg-names : register names of WCSS domain + "wcss_q6sstop", "wcnss_tcsr", "wcss_qdsp6ss". + +Example: +The below node has to be defined in the cases where the WCSS peripheral loader +would bring the subsystem out of reset. + + clock_wcsscc: qcom,wcsscc@7000000 { + compatible = "qcom,qcs404-wcsscc"; + reg = <0x07500000 0x4e000>, <0x07550000 0x8012>, <0x07400000 0x104>; + reg-names = "wcss_q6sstop", "wcnss_tcsr", "wcss_qdsp6ss"; + #clock-cells = <1>; + };
diff --git a/include/dt-bindings/clock/qcom,wcss-qcs404.h b/include/dt-bindings/clock/qcom,wcss-qcs404.h
new file mode 100644
index 0000000..45dd659
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,wcss-qcs404.h@@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018, The Linux Foundation. All rights reserved. + */ + +#ifndef _DT_BINDINGS_CLK_WCSS_QCS404_H +#define _DT_BINDINGS_CLK_WCSS_QCS404_H + +#define WCSS_AHBFABRIC_CBCR_CLK 0 +#define WCSS_AHBS_CBCR_CLK 1 +#define WCSS_TCM_CBCR_CLK 2 +#define WCSS_AHBM_CBCR_CLK 3 +#define WCSS_AXIM_CBCR_CLK 4 +#define WCSS_BCR_CBCR_CLK 5 +#define WCSS_LCC_CBCR_CLK 6 +#define WCSS_QDSP6SS_XO_CBCR_CLK 7 +#define WCSS_QDSP6SS_SLEEP_CBCR_CLK 8 +#define WCSS_QDSP6SS_GFMMUX_CLK 9 + +#define Q6SSTOP_QDSP6SS_RESET 0 +#define Q6SSTOP_QDSP6SS_CORE_RESET 1 +#define Q6SSTOP_QDSP6SS_BUS_RESET 2 +#define Q6SSTOP_BCR_RESET 3 +#endif
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