Re: [PATCH v4 1/7] mfd: da8xx-cfgchip: New header file for CFGCHIP registers.

[Lee Jones <lee.jones@linaro.org>]

On Thu, 14 Apr 2016, David Lechner wrote:

> We will be using a generic syscon device for the TI DA8XX SoC CFGCHIPx
> retisters. This will be used by a number of planned drivers including a
> new USB PHY driver and common clock framework drivers.
> 
> The same defines are removed from the platform_data header file since they
> are now redundant and they didn't really belong there anyway.
> 
> Signed-off-by: David Lechner <david@lechnology.com>
> ---
> 
> v4 changes:
> 
> * dropped individual CFGCHIPn_REG defines in favor of CFGCHIP(n)
> 
> 
>  include/linux/mfd/da8xx-cfgchip.h         | 153 ++++++++++++++++++++++++++++++
>  include/linux/platform_data/usb-davinci.h |  22 -----

Works for me.

Acked-by: Lee Jones <lee.jones@linaro.org>

Since this is a new file, I'm happy for it to be taken in via another
tree.

>  2 files changed, 153 insertions(+), 22 deletions(-)
>  create mode 100644 include/linux/mfd/da8xx-cfgchip.h
> 
> diff --git a/include/linux/mfd/da8xx-cfgchip.h b/include/linux/mfd/da8xx-cfgchip.h
> new file mode 100644
> index 0000000..799e575
> --- /dev/null
> +++ b/include/linux/mfd/da8xx-cfgchip.h
> @@ -0,0 +1,153 @@
> +/*
> + * TI DaVinci DA8xx CHIPCFGx registers for syscon consumers.
> + *
> + * Copyright (C) 2016 David Lechner <david@lechnology.com>
> + *
> + * 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.
> + */
> +
> +#ifndef __LINUX_MFD_DA8XX_CFGCHIP_H
> +#define __LINUX_MFD_DA8XX_CFGCHIP_H
> +
> +#include <linux/bitops.h>
> +
> +/* register offset (32-bit registers) */
> +#define CFGCHIP(n)				(n * 4)
> +
> +/* CFGCHIP0 (PLL0/EDMA3_0) register bits */
> +#define CFGCHIP0_PLL_MASTER_LOCK		BIT(4)
> +#define CFGCHIP0_EDMA30TC1DBS(n)		(n << 2)
> +#define CFGCHIP0_EDMA30TC1DBS_MASK		CFGCHIP0_EDMA30TC1DBS(0x3)
> +#define CFGCHIP0_EDMA30TC1DBS_16		CFGCHIP0_EDMA30TC1DBS(0x0)
> +#define CFGCHIP0_EDMA30TC1DBS_32		CFGCHIP0_EDMA30TC1DBS(0x1)
> +#define CFGCHIP0_EDMA30TC1DBS_64		CFGCHIP0_EDMA30TC1DBS(0x2)
> +#define CFGCHIP0_EDMA30TC0DBS(n)		(n << 0)
> +#define CFGCHIP0_EDMA30TC0DBS_MASK		CFGCHIP0_EDMA30TC0DBS(0x3)
> +#define CFGCHIP0_EDMA30TC0DBS_16		CFGCHIP0_EDMA30TC0DBS(0x0)
> +#define CFGCHIP0_EDMA30TC0DBS_32		CFGCHIP0_EDMA30TC0DBS(0x1)
> +#define CFGCHIP0_EDMA30TC0DBS_64		CFGCHIP0_EDMA30TC0DBS(0x2)
> +
> +/* CFGCHIP1 (eCAP/HPI/EDMA3_1/eHRPWM TBCLK/McASP0 AMUTEIN) register bits */
> +#define CFGCHIP1_CAP2SRC(n)			(n << 27)
> +#define CFGCHIP1_CAP2SRC_MASK			CFGCHIP1_CAP2SRC(0x1f)
> +#define CFGCHIP1_CAP2SRC_ECAP_PIN		CFGCHIP1_CAP2SRC(0x0)
> +#define CFGCHIP1_CAP2SRC_MCASP0_TX		CFGCHIP1_CAP2SRC(0x1)
> +#define CFGCHIP1_CAP2SRC_MCASP0_RX		CFGCHIP1_CAP2SRC(0x2)
> +#define CFGCHIP1_CAP2SRC_EMAC_C0_RX_THRESHOLD	CFGCHIP1_CAP2SRC(0x7)
> +#define CFGCHIP1_CAP2SRC_EMAC_C0_RX		CFGCHIP1_CAP2SRC(0x8)
> +#define CFGCHIP1_CAP2SRC_EMAC_C0_TX		CFGCHIP1_CAP2SRC(0x9)
> +#define CFGCHIP1_CAP2SRC_EMAC_C0_MISC		CFGCHIP1_CAP2SRC(0xa)
> +#define CFGCHIP1_CAP2SRC_EMAC_C1_RX_THRESHOLD	CFGCHIP1_CAP2SRC(0xb)
> +#define CFGCHIP1_CAP2SRC_EMAC_C1_RX		CFGCHIP1_CAP2SRC(0xc)
> +#define CFGCHIP1_CAP2SRC_EMAC_C1_TX		CFGCHIP1_CAP2SRC(0xd)
> +#define CFGCHIP1_CAP2SRC_EMAC_C1_MISC		CFGCHIP1_CAP2SRC(0xe)
> +#define CFGCHIP1_CAP2SRC_EMAC_C2_RX_THRESHOLD	CFGCHIP1_CAP2SRC(0xf)
> +#define CFGCHIP1_CAP2SRC_EMAC_C2_RX		CFGCHIP1_CAP2SRC(0x10)
> +#define CFGCHIP1_CAP2SRC_EMAC_C2_TX		CFGCHIP1_CAP2SRC(0x11)
> +#define CFGCHIP1_CAP2SRC_EMAC_C2_MISC		CFGCHIP1_CAP2SRC(0x12)
> +#define CFGCHIP1_CAP1SRC(n)			(n << 22)
> +#define CFGCHIP1_CAP1SRC_MASK			CFGCHIP1_CAP1SRC(0x1f)
> +#define CFGCHIP1_CAP1SRC_ECAP_PIN		CFGCHIP1_CAP1SRC(0x0)
> +#define CFGCHIP1_CAP1SRC_MCASP0_TX		CFGCHIP1_CAP1SRC(0x1)
> +#define CFGCHIP1_CAP1SRC_MCASP0_RX		CFGCHIP1_CAP1SRC(0x2)
> +#define CFGCHIP1_CAP1SRC_EMAC_C0_RX_THRESHOLD	CFGCHIP1_CAP1SRC(0x7)
> +#define CFGCHIP1_CAP1SRC_EMAC_C0_RX		CFGCHIP1_CAP1SRC(0x8)
> +#define CFGCHIP1_CAP1SRC_EMAC_C0_TX		CFGCHIP1_CAP1SRC(0x9)
> +#define CFGCHIP1_CAP1SRC_EMAC_C0_MISC		CFGCHIP1_CAP1SRC(0xa)
> +#define CFGCHIP1_CAP1SRC_EMAC_C1_RX_THRESHOLD	CFGCHIP1_CAP1SRC(0xb)
> +#define CFGCHIP1_CAP1SRC_EMAC_C1_RX		CFGCHIP1_CAP1SRC(0xc)
> +#define CFGCHIP1_CAP1SRC_EMAC_C1_TX		CFGCHIP1_CAP1SRC(0xd)
> +#define CFGCHIP1_CAP1SRC_EMAC_C1_MISC		CFGCHIP1_CAP1SRC(0xe)
> +#define CFGCHIP1_CAP1SRC_EMAC_C2_RX_THRESHOLD	CFGCHIP1_CAP1SRC(0xf)
> +#define CFGCHIP1_CAP1SRC_EMAC_C2_RX		CFGCHIP1_CAP1SRC(0x10)
> +#define CFGCHIP1_CAP1SRC_EMAC_C2_TX		CFGCHIP1_CAP1SRC(0x11)
> +#define CFGCHIP1_CAP1SRC_EMAC_C2_MISC		CFGCHIP1_CAP1SRC(0x12)
> +#define CFGCHIP1_CAP0SRC(n)			(n << 17)
> +#define CFGCHIP1_CAP0SRC_MASK			CFGCHIP1_CAP0SRC(0x1f)
> +#define CFGCHIP1_CAP0SRC_ECAP_PIN		CFGCHIP1_CAP0SRC(0x0)
> +#define CFGCHIP1_CAP0SRC_MCASP0_TX		CFGCHIP1_CAP0SRC(0x1)
> +#define CFGCHIP1_CAP0SRC_MCASP0_RX		CFGCHIP1_CAP0SRC(0x2)
> +#define CFGCHIP1_CAP0SRC_EMAC_C0_RX_THRESHOLD	CFGCHIP1_CAP0SRC(0x7)
> +#define CFGCHIP1_CAP0SRC_EMAC_C0_RX		CFGCHIP1_CAP0SRC(0x8)
> +#define CFGCHIP1_CAP0SRC_EMAC_C0_TX		CFGCHIP1_CAP0SRC(0x9)
> +#define CFGCHIP1_CAP0SRC_EMAC_C0_MISC		CFGCHIP1_CAP0SRC(0xa)
> +#define CFGCHIP1_CAP0SRC_EMAC_C1_RX_THRESHOLD	CFGCHIP1_CAP0SRC(0xb)
> +#define CFGCHIP1_CAP0SRC_EMAC_C1_RX		CFGCHIP1_CAP0SRC(0xc)
> +#define CFGCHIP1_CAP0SRC_EMAC_C1_TX		CFGCHIP1_CAP0SRC(0xd)
> +#define CFGCHIP1_CAP0SRC_EMAC_C1_MISC		CFGCHIP1_CAP0SRC(0xe)
> +#define CFGCHIP1_CAP0SRC_EMAC_C2_RX_THRESHOLD	CFGCHIP1_CAP0SRC(0xf)
> +#define CFGCHIP1_CAP0SRC_EMAC_C2_RX		CFGCHIP1_CAP0SRC(0x10)
> +#define CFGCHIP1_CAP0SRC_EMAC_C2_TX		CFGCHIP1_CAP0SRC(0x11)
> +#define CFGCHIP1_CAP0SRC_EMAC_C2_MISC		CFGCHIP1_CAP0SRC(0x12)
> +#define CFGCHIP1_HPIBYTEAD			BIT(16)
> +#define CFGCHIP1_HPIENA				BIT(15)
> +#define CFGCHIP0_EDMA31TC0DBS(n)		(n << 13)
> +#define CFGCHIP0_EDMA31TC0DBS_MASK		CFGCHIP0_EDMA31TC0DBS(0x3)
> +#define CFGCHIP0_EDMA31TC0DBS_16		CFGCHIP0_EDMA31TC0DBS(0x0)
> +#define CFGCHIP0_EDMA31TC0DBS_32		CFGCHIP0_EDMA31TC0DBS(0x1)
> +#define CFGCHIP0_EDMA31TC0DBS_64		CFGCHIP0_EDMA31TC0DBS(0x2)
> +#define CFGCHIP1_TBCLKSYNC			BIT(12)
> +#define CFGCHIP1_AMUTESEL0(n)			(n << 0)
> +#define CFGCHIP1_AMUTESEL0_MASK			CFGCHIP1_AMUTESEL0(0xf)
> +#define CFGCHIP1_AMUTESEL0_LOW			CFGCHIP1_AMUTESEL0(0x0)
> +#define CFGCHIP1_AMUTESEL0_BANK_0		CFGCHIP1_AMUTESEL0(0x1)
> +#define CFGCHIP1_AMUTESEL0_BANK_1		CFGCHIP1_AMUTESEL0(0x2)
> +#define CFGCHIP1_AMUTESEL0_BANK_2		CFGCHIP1_AMUTESEL0(0x3)
> +#define CFGCHIP1_AMUTESEL0_BANK_3		CFGCHIP1_AMUTESEL0(0x4)
> +#define CFGCHIP1_AMUTESEL0_BANK_4		CFGCHIP1_AMUTESEL0(0x5)
> +#define CFGCHIP1_AMUTESEL0_BANK_5		CFGCHIP1_AMUTESEL0(0x6)
> +#define CFGCHIP1_AMUTESEL0_BANK_6		CFGCHIP1_AMUTESEL0(0x7)
> +#define CFGCHIP1_AMUTESEL0_BANK_7		CFGCHIP1_AMUTESEL0(0x8)
> +
> +/* CFGCHIP2 (USB PHY) register bits */
> +#define CFGCHIP2_PHYCLKGD			BIT(17)
> +#define CFGCHIP2_VBUSSENSE			BIT(16)
> +#define CFGCHIP2_RESET				BIT(15)
> +#define CFGCHIP2_OTGMODE(n)			(n << 13)
> +#define CFGCHIP2_OTGMODE_MASK			CFGCHIP2_OTGMODE(0x3)
> +#define CFGCHIP2_OTGMODE_NO_OVERRIDE		CFGCHIP2_OTGMODE(0x0)
> +#define CFGCHIP2_OTGMODE_FORCE_HOST		CFGCHIP2_OTGMODE(0x1)
> +#define CFGCHIP2_OTGMODE_FORCE_DEVICE		CFGCHIP2_OTGMODE(0x2)
> +#define CFGCHIP2_OTGMODE_FORCE_HOST_VBUS_LOW	CFGCHIP2_OTGMODE(0x3)
> +#define CFGCHIP2_USB1PHYCLKMUX			BIT(12)
> +#define CFGCHIP2_USB2PHYCLKMUX			BIT(11)
> +#define CFGCHIP2_PHYPWRDN			BIT(10)
> +#define CFGCHIP2_OTGPWRDN			BIT(9)
> +#define CFGCHIP2_DATPOL				BIT(8)
> +#define CFGCHIP2_USB1SUSPENDM			BIT(7)
> +#define CFGCHIP2_PHY_PLLON			BIT(6)
> +#define CFGCHIP2_SESENDEN			BIT(5)
> +#define CFGCHIP2_VBDTCTEN			BIT(4)
> +#define CFGCHIP2_REFFREQ(n)			(n << 0)
> +#define CFGCHIP2_REFFREQ_MASK			CFGCHIP2_REFFREQ(0xf)
> +#define CFGCHIP2_REFFREQ_12MHZ			CFGCHIP2_REFFREQ(0x1)
> +#define CFGCHIP2_REFFREQ_24MHZ			CFGCHIP2_REFFREQ(0x2)
> +#define CFGCHIP2_REFFREQ_48MHZ			CFGCHIP2_REFFREQ(0x3)
> +#define CFGCHIP2_REFFREQ_19_2MHZ		CFGCHIP2_REFFREQ(0x4)
> +#define CFGCHIP2_REFFREQ_38_4MHZ		CFGCHIP2_REFFREQ(0x5)
> +#define CFGCHIP2_REFFREQ_13MHZ			CFGCHIP2_REFFREQ(0x6)
> +#define CFGCHIP2_REFFREQ_26MHZ			CFGCHIP2_REFFREQ(0x7)
> +#define CFGCHIP2_REFFREQ_20MHZ			CFGCHIP2_REFFREQ(0x8)
> +#define CFGCHIP2_REFFREQ_40MHZ			CFGCHIP2_REFFREQ(0x9)
> +
> +/* CFGCHIP3 (EMAC/uPP/PLL1/ASYNC3/PRU/DIV4.5/EMIFA) register bits */
> +#define CFGCHIP3_RMII_SEL			BIT(8)
> +#define CFGCHIP3_UPP_TX_CLKSRC			BIT(6)
> +#define CFGCHIP3_PLL1_MASTER_LOCK		BIT(5)
> +#define CFGCHIP3_ASYNC3_CLKSRC			BIT(4)
> +#define CFGCHIP3_PRUEVTSEL			BIT(3)
> +#define CFGCHIP3_DIV45PENA			BIT(2)
> +#define CFGCHIP3_EMA_CLKSRC			BIT(1)
> +
> +/* CFGCHIP4 (McASP0 AMUNTEIN) register bits */
> +#define CFGCHIP4_AMUTECLR0			BIT(0)
> +
> +#endif /* __LINUX_MFD_DA8XX_CFGCHIP_H */
> diff --git a/include/linux/platform_data/usb-davinci.h b/include/linux/platform_data/usb-davinci.h
> index e0bc4ab..629b703 100644
> --- a/include/linux/platform_data/usb-davinci.h
> +++ b/include/linux/platform_data/usb-davinci.h
> @@ -11,28 +11,6 @@
>  #ifndef __ASM_ARCH_USB_H
>  #define __ASM_ARCH_USB_H
>  
> -/* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
> -#define CFGCHIP2_PHYCLKGD	(1 << 17)
> -#define CFGCHIP2_VBUSSENSE	(1 << 16)
> -#define CFGCHIP2_RESET		(1 << 15)
> -#define CFGCHIP2_OTGMODE	(3 << 13)
> -#define CFGCHIP2_NO_OVERRIDE	(0 << 13)
> -#define CFGCHIP2_FORCE_HOST	(1 << 13)
> -#define CFGCHIP2_FORCE_DEVICE 	(2 << 13)
> -#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
> -#define CFGCHIP2_USB1PHYCLKMUX	(1 << 12)
> -#define CFGCHIP2_USB2PHYCLKMUX	(1 << 11)
> -#define CFGCHIP2_PHYPWRDN	(1 << 10)
> -#define CFGCHIP2_OTGPWRDN	(1 << 9)
> -#define CFGCHIP2_DATPOL 	(1 << 8)
> -#define CFGCHIP2_USB1SUSPENDM	(1 << 7)
> -#define CFGCHIP2_PHY_PLLON	(1 << 6)	/* override PLL suspend */
> -#define CFGCHIP2_SESENDEN	(1 << 5)	/* Vsess_end comparator */
> -#define CFGCHIP2_VBDTCTEN	(1 << 4)	/* Vbus comparator */
> -#define CFGCHIP2_REFFREQ	(0xf << 0)
> -#define CFGCHIP2_REFFREQ_12MHZ	(1 << 0)
> -#define CFGCHIP2_REFFREQ_24MHZ	(2 << 0)
> -#define CFGCHIP2_REFFREQ_48MHZ	(3 << 0)
>  
>  struct	da8xx_ohci_root_hub;
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog