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Message-ID: <20180715143849.GC9980@Mani-XPS-13-9360>
Date: Sun, 15 Jul 2018 20:08:49 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Saravanan Sekar <sravanhome@...il.com>
Cc: afaerber@...e.de, sboyd@...nel.org, mark.rutland@....com,
devicetree@...r.kernel.org, linux@...ietech.com,
support@...ietech.com, catalin.marinas@....com,
mturquette@...libre.com, will.deacon@....com,
linux-kernel@...r.kernel.org, thomas.liau@...ions-semi.com,
darren@...ietech.com, robh+dt@...nel.org,
jeff.chen@...ions-semi.com, pn@...x.de, linux-clk@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, mp-cs@...ions-semi.com
Subject: Re: [PATCH v4 2/5] dt-bindings: clock: Add S700 support for Actions
Semi Soc's
Hi Saravanan,
On Sun, Jul 15, 2018 at 02:31:42PM +0200, Saravanan Sekar wrote:
> Add clock bindings constants for action S700
> Maintain common clock dt-bindings for Actions Semi SoC's
> S700 and S900.
>
> Signed-off-by: Parthiban Nallathambi <pn@...x.de>
> Signed-off-by: Saravanan Sekar <sravanhome@...il.com>
> ---
> ...tions,s900-cmu.txt => actions,owl-cmu.txt} | 20 +--
> include/dt-bindings/clock/actions,s700-cmu.h | 118 ++++++++++++++++++
> 2 files changed, 129 insertions(+), 9 deletions(-)
> rename Documentation/devicetree/bindings/clock/{actions,s900-cmu.txt => actions,owl-cmu.txt} (67%)
> create mode 100644 include/dt-bindings/clock/actions,s700-cmu.h
>
> diff --git a/Documentation/devicetree/bindings/clock/actions,s900-cmu.txt b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
> similarity index 67%
> rename from Documentation/devicetree/bindings/clock/actions,s900-cmu.txt
> rename to Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
> index 93e4fb827cd6..d737ea74a450 100644
> --- a/Documentation/devicetree/bindings/clock/actions,s900-cmu.txt
> +++ b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
> @@ -1,12 +1,14 @@
> -* Actions S900 Clock Management Unit (CMU)
> +* Actions Semi Owl Clock Management Unit (CMU)
>
> -The Actions S900 clock management unit generates and supplies clock to various
> -controllers within the SoC. The clock binding described here is applicable to
> -S900 SoC.
> +The Actions Semi S900/S700 clock management unit generates and supplies clock
Shouldn't it be, "Actions Semi Owl Clock Management Unit"?
Thanks,
Mani
> +to various controllers within the SoC. The clock binding described here is
> +applicable to S900 and S700 SoC's.
>
> Required Properties:
>
> -- compatible: should be "actions,s900-cmu"
> +- compatible: should be one of the following,
> + "actions,s900-cmu"
> + "actions,s700-cmu"
> - reg: physical base address of the controller and length of memory mapped
> region.
> - clocks: Reference to the parent clocks ("hosc", "losc")
> @@ -15,16 +17,16 @@ Required Properties:
> 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
> -dt-bindings/clock/actions,s900-cmu.h header and can be used in device
> -tree sources.
> +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.
>
> External clocks:
>
> The hosc clock used as input for the plls is generated outside the SoC. It is
> expected that it is defined using standard clock bindings as "hosc".
>
> -Actions S900 CMU also requires one more clock:
> +Actions Semi S900 CMU also requires one more clock:
> - "losc" - internal low frequency oscillator
>
> Example: Clock Management Unit node:
> diff --git a/include/dt-bindings/clock/actions,s700-cmu.h b/include/dt-bindings/clock/actions,s700-cmu.h
> new file mode 100644
> index 000000000000..905808bf335b
> --- /dev/null
> +++ b/include/dt-bindings/clock/actions,s700-cmu.h
> @@ -0,0 +1,118 @@
> +/* SPDX-License-Identifier: GPL-2.0+
> + *
> + * Actions S700 clock driver
Should be:
Device Tree binding constants for Actions Semi S700 Clock Management Unit
Thanks,
Mani
> + *
> + * Copyright (c) 2014 Actions Semi Inc.
> + * Author: David Liu <liuwei@...ions-semi.com>
> + *
> + * Author: Pathiban Nallathambi <pn@...x.de>
> + * Author: Saravanan Sekar <sravanhome@...il.com>
> + */
> +
> +#ifndef __DT_BINDINGS_CLOCK_S700_H
> +#define __DT_BINDINGS_CLOCK_S700_H
> +
> +#define CLK_NONE 0
> +
> +/* pll clocks */
> +#define CLK_CORE_PLL 1
> +#define CLK_DEV_PLL 2
> +#define CLK_DDR_PLL 3
> +#define CLK_NAND_PLL 4
> +#define CLK_DISPLAY_PLL 5
> +#define CLK_TVOUT_PLL 6
> +#define CLK_CVBS_PLL 7
> +#define CLK_AUDIO_PLL 8
> +#define CLK_ETHERNET_PLL 9
> +
> +/* system clock */
> +#define CLK_CPU 10
> +#define CLK_DEV 11
> +#define CLK_AHB 12
> +#define CLK_APB 13
> +#define CLK_DMAC 14
> +#define CLK_NOC0_CLK_MUX 15
> +#define CLK_NOC1_CLK_MUX 16
> +#define CLK_HP_CLK_MUX 17
> +#define CLK_HP_CLK_DIV 18
> +#define CLK_NOC1_CLK_DIV 19
> +#define CLK_NOC0 20
> +#define CLK_NOC1 21
> +#define CLK_SENOR_SRC 22
> +
> +/* peripheral device clock */
> +#define CLK_GPIO 23
> +#define CLK_TIMER 24
> +#define CLK_DSI 25
> +#define CLK_CSI 26
> +#define CLK_SI 27
> +#define CLK_DE 28
> +#define CLK_HDE 29
> +#define CLK_VDE 30
> +#define CLK_VCE 31
> +#define CLK_NAND 32
> +#define CLK_SD0 33
> +#define CLK_SD1 34
> +#define CLK_SD2 35
> +
> +#define CLK_UART0 36
> +#define CLK_UART1 37
> +#define CLK_UART2 38
> +#define CLK_UART3 39
> +#define CLK_UART4 40
> +#define CLK_UART5 41
> +#define CLK_UART6 42
> +
> +#define CLK_PWM0 43
> +#define CLK_PWM1 44
> +#define CLK_PWM2 45
> +#define CLK_PWM3 46
> +#define CLK_PWM4 47
> +#define CLK_PWM5 48
> +#define CLK_GPU3D 49
> +
> +#define CLK_I2C0 50
> +#define CLK_I2C1 51
> +#define CLK_I2C2 52
> +#define CLK_I2C3 53
> +
> +#define CLK_SPI0 54
> +#define CLK_SPI1 55
> +#define CLK_SPI2 56
> +#define CLK_SPI3 57
> +
> +#define CLK_USB3_480MPLL0 58
> +#define CLK_USB3_480MPHY0 59
> +#define CLK_USB3_5GPHY 60
> +#define CLK_USB3_CCE 61
> +#define CLK_USB3_MAC 62
> +
> +#define CLK_LCD 63
> +#define CLK_HDMI_AUDIO 64
> +#define CLK_I2SRX 65
> +#define CLK_I2STX 66
> +
> +#define CLK_SENSOR0 67
> +#define CLK_SENSOR1 68
> +
> +#define CLK_HDMI_DEV 69
> +
> +#define CLK_ETHERNET 70
> +#define CLK_RMII_REF 71
> +
> +#define CLK_USB2H0_PLLEN 72
> +#define CLK_USB2H0_PHY 73
> +#define CLK_USB2H0_CCE 74
> +#define CLK_USB2H1_PLLEN 75
> +#define CLK_USB2H1_PHY 76
> +#define CLK_USB2H1_CCE 77
> +
> +#define CLK_TVOUT 78
> +
> +#define CLK_THERMAL_SENSOR 79
> +
> +#define CLK_IRC_SWITCH 80
> +#define CLK_PCM1 81
> +#define CLK_NR_CLKS (CLK_PCM1 + 1)
> +
> +#endif /* __DT_BINDINGS_CLOCK_S700_H */
> --
> 2.18.0
>
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