linux-kernel - Re: [PATCH 1/2] ARM: OMAP2: hwmod: AM43XX: Add hwmod support for HDQ-1W

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Date:	Sun, 1 Mar 2015 23:09:09 +0000 (UTC)
From:	Paul Walmsley <paul@...an.com>
To:	Vignesh R <vigneshr@...com>, sourav.poddar@...com
cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Evgeniy Polyakov <zbr@...emap.net>,
	Jonathan Corbet <corbet@....net>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	NeilBrown <neilb@...e.de>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] ARM: OMAP2: hwmod: AM43XX: Add hwmod support for
 HDQ-1W

Hi

On Fri, 27 Feb 2015, Vignesh R wrote:

> From: "Poddar, Sourav" <sourav.poddar@...com>
> 
> This patch adds hwmod data for hdq/1w driver on AM43xx.
> 
> Signed-off-by: Sourav Poddar <sourav.poddar@...com>
> [vigneshr@...com: Ported patch to v4.0-rc1]
> Signed-off-by: Vignesh R <vigneshr@...com>
> ---
>  arch/arm/mach-omap2/omap_hwmod_43xx_data.c | 36 ++++++++++++++++++++++++++++++
>  arch/arm/mach-omap2/prcm43xx.h             |  1 +
>  2 files changed, 37 insertions(+)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
> index 8eb85925e444..d4f1df28475c 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
> @@ -20,6 +20,7 @@
>  #include "omap_hwmod_33xx_43xx_common_data.h"
>  #include "prcm43xx.h"
>  #include "omap_hwmod_common_data.h"
> +#include "hdq1w.h"
>  
>  
>  /* IP blocks */
> @@ -516,6 +517,33 @@ static struct omap_hwmod am43xx_dss_rfbi_hwmod = {
>  	.parent_hwmod	= &am43xx_dss_core_hwmod,
>  };
>  
> +/* HDQ1W */
> +static struct omap_hwmod_class_sysconfig am43xx_hdq1w_sysc = {
> +	.rev_offs       = 0x0000,
> +	.sysc_offs      = 0x0014,
> +	.syss_offs      = 0x0018,
> +	.sysc_flags     = (SYSC_HAS_SOFTRESET),

This is missing the SYSC_HAS_AUTOIDLE bit.  Is this intentional?

> +	.sysc_fields    = &omap_hwmod_sysc_type1,
> +};
> +
> +static struct omap_hwmod_class am43xx_hdq1w_hwmod_class = {
> +	.name   = "hdq1w",
> +	.sysc   = &am43xx_hdq1w_sysc,
> +	.reset	= &omap_hdq1w_reset,
> +};
> +
> +static struct omap_hwmod am43xx_hdq1w_hwmod = {
> +	.name           = "hdq1w",
> +	.class          = &am43xx_hdq1w_hwmod_class,
> +	.clkdm_name     = "l4ls_clkdm",
> +	.prcm = {
> +		.omap4 = {
> +			.clkctrl_offs = AM43XX_CM_PER_HDQ1W_CLKCTRL_OFFSET,
> +			.modulemode   = MODULEMODE_SWCTRL,
> +		},
> +	},
> +};
> +
>  /* Interfaces */
>  static struct omap_hwmod_ocp_if am43xx_l3_main__l4_hs = {
>  	.master		= &am33xx_l3_main_hwmod,
> @@ -790,6 +818,13 @@ static struct omap_hwmod_ocp_if am43xx_l4_ls__dss_rfbi = {
>  	.user		= OCP_USER_MPU | OCP_USER_SDMA,
>  };
>  
> +static struct omap_hwmod_ocp_if am43xx_l4_ls__hdq1w = {
> +	.master         = &am33xx_l4_ls_hwmod,
> +	.slave          = &am43xx_hdq1w_hwmod,
> +	.clk            = "l4ls_gclk",
> +	.user           = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
>  static struct omap_hwmod_ocp_if *am43xx_hwmod_ocp_ifs[] __initdata = {
>  	&am33xx_l4_wkup__synctimer,
>  	&am43xx_l4_ls__timer8,
> @@ -889,6 +924,7 @@ static struct omap_hwmod_ocp_if *am43xx_hwmod_ocp_ifs[] __initdata = {
>  	&am43xx_l4_ls__dss,
>  	&am43xx_l4_ls__dss_dispc,
>  	&am43xx_l4_ls__dss_rfbi,
> +	&am43xx_l4_ls__hdq1w,
>  	NULL,
>  };
>  
> diff --git a/arch/arm/mach-omap2/prcm43xx.h b/arch/arm/mach-omap2/prcm43xx.h
> index ad7b3e9977f8..48df3b55057e 100644
> --- a/arch/arm/mach-omap2/prcm43xx.h
> +++ b/arch/arm/mach-omap2/prcm43xx.h
> @@ -143,5 +143,6 @@
>  #define AM43XX_CM_PER_USB_OTG_SS1_CLKCTRL_OFFSET        0x0268
>  #define AM43XX_CM_PER_USBPHYOCP2SCP1_CLKCTRL_OFFSET	0x05C0
>  #define AM43XX_CM_PER_DSS_CLKCTRL_OFFSET		0x0a20
> +#define AM43XX_CM_PER_HDQ1W_CLKCTRL_OFFSET		0x04a0
>  
>  #endif
> -- 
> 1.9.1
> 


- Paul
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