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Message-ID: <1449110364-23464-1-git-send-email-xuejiancheng@huawei.com>
Date: Thu, 3 Dec 2015 10:39:24 +0800
From: Jiancheng Xue <xuejiancheng@...wei.com>
To: <robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
<mturquette@...libre.com>, <sboyd@...eaurora.org>,
<xuwei5@...ilicon.com>, <haojian.zhuang@...aro.org>,
<zhangfei.gao@...aro.org>, <bintian.wang@...wei.com>
CC: <yanhaifeng@...ilicon.com>, <yanghongwei@...ilicon.com>,
<suwenping@...ilicon.com>, <ml.yang@...ilicon.com>,
<gaofei@...ilicon.com>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
Jiancheng Xue <xuejiancheng@...wei.com>
Subject: [PATCH v2 1/9] clk: hi3519: add dt-binding document and header file
add dt-binding document and header file for hi3519 clock
Signed-off-by: Jiancheng Xue <xuejiancheng@...wei.com>
---
.../devicetree/bindings/clock/hi3519-crg.txt | 46 +++++++++++++++++++
include/dt-bindings/clock/hi3519-clock.h | 51 ++++++++++++++++++++++
2 files changed, 97 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/hi3519-crg.txt
create mode 100644 include/dt-bindings/clock/hi3519-clock.h
diff --git a/Documentation/devicetree/bindings/clock/hi3519-crg.txt b/Documentation/devicetree/bindings/clock/hi3519-crg.txt
new file mode 100644
index 0000000..e0d30a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/hi3519-crg.txt
@@ -0,0 +1,46 @@
+* Hisilicon Hi3519 Clock and Reset Generator(CRG)
+
+The Hi3519 CRG module provides clock and reset signals to various
+controllers within the SoC.
+
+This binding uses the following bindings:
+ Documentation/devicetree/bindings/clock/clock-bindings.txt
+ Documentation/devicetree/bindings/reset/reset.txt
+
+Required Properties:
+
+- compatible: should be one of the following.
+ - "hisilicon,hi3519-crg" - controller compatible with Hi3519 SoC.
+
+- reg: physical base address of the controller and length of memory mapped
+ region.
+
+- #clock-cells: should be 1.
+
+Each clock is assigned an identifier and client nodes use this identifier
+to specify the clock which they consume.
+
+All these identifier could be found in <dt-bindings/clock/hi3519-clock.h>.
+
+- #reset-cells: should be 2.
+
+A reset signal can be controlled by writing a bit register in the CRG module.
+The reset specifier consists of two cells. The first cell represents the
+register offset relative to the base address. The second cell represents the
+bit index in the register.
+
+Example: CRG nodes
+CRG: clock-reset-controller {
+ compatible = "hisilicon,hi3519-crg";
+ reg = <0x12010000 0x10000>;
+ #clock-cells = <1>;
+ #reset-cells = <2>;
+};
+
+Example: consumer nodes
+i2c0: i2c@...2110000 {
+ compatible = "hisilicon,hi3519-i2c";
+ reg = <0x12110000 0x1000>;
+ clocks = <&CRG HI3519_I2C0_RST>;*/
+ resets = <&CRG 0xE4 0>;
+};
diff --git a/include/dt-bindings/clock/hi3519-clock.h b/include/dt-bindings/clock/hi3519-clock.h
new file mode 100644
index 0000000..89c0d5e
--- /dev/null
+++ b/include/dt-bindings/clock/hi3519-clock.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2015 HiSilicon Technologies Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __DTS_HI3519_CLOCK_H
+#define __DTS_HI3519_CLOCK_H
+
+/* fixed rate */
+#define HI3519_FIXED_400M 1
+#define HI3519_FIXED_200M 2
+#define HI3519_FIXED_125M 3
+#define HI3519_FIXED_150M 4
+#define HI3519_FIXED_75M 5
+#define HI3519_FIXED_300M 6
+#define HI3519_FIXED_50M 7
+#define HI3519_FIXED_24M 8
+#define HI3519_FIXED_3M 9
+
+/* mux clocks */
+#define HI3519_FMC_MUX 32
+#define HI3519_I2C_MUX 33
+#define HI3519_UART_MUX 34
+#define HI3519_SYSAXI_MUX 35
+
+/*fixed factor clocks*/
+#define HI3519_SYSAPB_CLK 64
+
+/* gate clocks */
+#define HI3519_FMC_CLK 129
+#define HI3519_UART0_CLK 153
+#define HI3519_UART1_CLK 154
+#define HI3519_UART2_CLK 155
+#define HI3519_UART3_CLK 156
+#define HI3519_UART4_CLK 157
+
+#define HI3519_NR_CLKS 256
+#define HI3519_NR_RSTS 256
+#endif /* __DTS_HI3519_CLOCK_H */
--
1.9.1
--
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