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>
This commit is contained in:
Edgar Bernardi Righi 2019-01-15 09:03:36 +05:30 committed by Stephen Boyd
parent 9831289f6f
commit 0c8c53e033
2 changed files with 82 additions and 3 deletions

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@ -2,13 +2,14 @@
The Actions Semi Owl Clock Management Unit generates and supplies clock The Actions Semi Owl Clock Management Unit generates and supplies clock
to various controllers within the SoC. The clock binding described here is 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: Required Properties:
- compatible: should be one of the following, - compatible: should be one of the following,
"actions,s900-cmu" "actions,s900-cmu"
"actions,s700-cmu" "actions,s700-cmu"
"actions,s500-cmu"
- reg: physical base address of the controller and length of memory mapped - reg: physical base address of the controller and length of memory mapped
region. region.
- clocks: Reference to the parent clocks ("hosc", "losc") - 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. to specify the clock which they consume.
All available clocks are defined as preprocessor macros in corresponding 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 dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h or
used in device tree sources. actions,s500-cmu.h header and can be used in device tree sources.
External clocks: External clocks:

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@ -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 */