dt-bindings: clock: Add DT bindings for Actions Semi S500 CMU

Add devicetree bindings for Actions Semi S500 Clock Management Unit.

Signed-off-by: Edgar Bernardi Righi <edgar.righi@lsitec.org.br>
[Mani: Documented S500 CMU compatible]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
[sboyd@kernel.org: Fix SPDX comment style in header file]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

2 files changed, 82 insertions, 3 deletions

diff --git a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
index 2ef86ae96df8..d19885b7c73f 100644
--- a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
+++ b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
@@ -2,13 +2,14 @@
 
 The Actions Semi Owl Clock Management Unit generates and supplies clock
 to various controllers within the SoC. The clock binding described here is
-applicable to S900 and S700 SoC's.
+applicable to S900, S700 and S500 SoC's.
 
 Required Properties:
 
 - compatible: should be one of the following,
         "actions,s900-cmu"
         "actions,s700-cmu"
+        "actions,s500-cmu"
 - reg: physical base address of the controller and length of memory mapped
   region.
 - clocks: Reference to the parent clocks ("hosc", "losc")
@@ -19,8 +20,8 @@ Each clock is assigned an identifier, and client nodes can use this identifier
 to specify the clock which they consume.
 
 All available clocks are defined as preprocessor macros in corresponding
-dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h header and can be
-used in device tree sources.
+dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h or
+actions,s500-cmu.h header and can be used in device tree sources.
 
 External clocks:
 
diff --git a/include/dt-bindings/clock/actions,s500-cmu.h b/include/dt-bindings/clock/actions,s500-cmu.h
new file mode 100644
index 000000000000..030981cd2d56
--- /dev/null
+++ b/include/dt-bindings/clock/actions,s500-cmu.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Device Tree binding constants for Actions Semi S500 Clock Management Unit
+ *
+ * Copyright (c) 2014 Actions Semi Inc.
+ * Copyright (c) 2018 LSI-TEC - Caninos Loucos
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_S500_CMU_H
+#define __DT_BINDINGS_CLOCK_S500_CMU_H
+
+#define CLK_NONE                0
+
+/* fixed rate clocks */
+#define CLK_LOSC                1
+#define CLK_HOSC                2
+
+/* pll clocks */
+#define CLK_CORE_PLL            3
+#define CLK_DEV_PLL             4
+#define CLK_DDR_PLL             5
+#define CLK_NAND_PLL            6
+#define CLK_DISPLAY_PLL         7
+#define CLK_ETHERNET_PLL        8
+#define CLK_AUDIO_PLL           9
+
+/* system clock */
+#define CLK_DEV                 10
+#define CLK_H                   11
+#define CLK_AHBPREDIV           12
+#define CLK_AHB                 13
+#define CLK_DE                  14
+#define CLK_BISP                15
+#define CLK_VCE                 16
+#define CLK_VDE                 17
+
+/* peripheral device clock */
+#define CLK_TIMER               18
+#define CLK_I2C0                19
+#define CLK_I2C1                20
+#define CLK_I2C2                21
+#define CLK_I2C3                22
+#define CLK_PWM0                23
+#define CLK_PWM1                24
+#define CLK_PWM2                25
+#define CLK_PWM3                26
+#define CLK_PWM4                27
+#define CLK_PWM5                28
+#define CLK_SD0                 29
+#define CLK_SD1                 30
+#define CLK_SD2                 31
+#define CLK_SENSOR0             32
+#define CLK_SENSOR1             33
+#define CLK_SPI0                34
+#define CLK_SPI1                35
+#define CLK_SPI2                36
+#define CLK_SPI3                37
+#define CLK_UART0               38
+#define CLK_UART1               39
+#define CLK_UART2               40
+#define CLK_UART3               41
+#define CLK_UART4               42
+#define CLK_UART5               43
+#define CLK_UART6               44
+#define CLK_DE1                 45
+#define CLK_DE2                 46
+#define CLK_I2SRX               47
+#define CLK_I2STX               48
+#define CLK_HDMI_AUDIO          49
+#define CLK_HDMI                50
+#define CLK_SPDIF               51
+#define CLK_NAND                52
+#define CLK_ECC                 53
+#define CLK_RMII_REF            54
+
+#define CLK_NR_CLKS            (CLK_RMII_REF + 1)
+
+#endif /* __DT_BINDINGS_CLOCK_S500_CMU_H */