linux-kernel - Re: [RESEND PATCH 1/2] ARM: AM43xx: hwmod: add DSS hwmod data

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Message-ID: <20140613162323.GH8319@saruman.home>
Date:	Fri, 13 Jun 2014 11:23:23 -0500
From:	Felipe Balbi <balbi@...com>
To:	Felipe Balbi <balbi@...com>
CC:	Tony Lindgren <tony@...mide.com>,
	Benoit Cousson <bcousson@...libre.com>,
	Paul Walmsley <paul@...an.com>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Sathya Prakash M R <sathyap@...com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tomi Valkeinen <tomi.valkeinen@...com>
Subject: Re: [RESEND PATCH 1/2] ARM: AM43xx: hwmod: add DSS hwmod data

On Fri, Jun 13, 2014 at 11:15:46AM -0500, Felipe Balbi wrote:
> From: Sathya Prakash M R <sathyap@...com>
> 
> Add DSS hwmod data for AM43xx.
> 
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Acked-by: Rajendra Nayak <rnayak@...com>
> Signed-off-by: Sathya Prakash M R <sathyap@...com>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...com>
> Signed-off-by: Felipe Balbi <balbi@...com>
> ---
> 
> Note that this patch was originally send on May 9th [1], changes were requested
> and a new version was sent on May 19th [2], then on May 27th [3] Tomi pinged
> maintainer again and go no response.
> 
> Without this patch, we cannot get display working on any AM437x devices.
> 
> [1] http://marc.info/?l=linux-arm-kernel&m=139963677925227&w=2
> [2] http://marc.info/?l=linux-arm-kernel&m=140049799425512&w=2
> [3] http://marc.info/?l=linux-arm-kernel&m=140117232826754&w=2
> 
>  arch/arm/mach-omap2/omap_hwmod_43xx_data.c | 98 ++++++++++++++++++++++++++++++
>  arch/arm/mach-omap2/prcm43xx.h             |  1 +
>  2 files changed, 99 insertions(+)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
> index 5c2cc80..d2a7b6d 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
> @@ -19,6 +19,8 @@
>  #include "omap_hwmod.h"
>  #include "omap_hwmod_33xx_43xx_common_data.h"
>  #include "prcm43xx.h"
> +#include "omap_hwmod_common_data.h"
> +
>  
>  /* IP blocks */
>  static struct omap_hwmod am43xx_l4_hs_hwmod = {
> @@ -415,6 +417,70 @@ static struct omap_hwmod am43xx_qspi_hwmod = {
>  	},
>  };
>  
> +/* Display sub system - DSS */
> +
> +struct omap_dss_dispc_dev_attr am43xx_dss_dispc_dev_attr = {
> +	.manager_count		= 1,
> +	.has_framedonetv_irq	= 0
> +};
> +
> +
> +static struct omap_hwmod_class_sysconfig am43xx_dispc_sysc = {
> +	.rev_offs	= 0x0000,
> +	.sysc_offs	= 0x0010,
> +	.syss_offs	= 0x0014,
> +	.sysc_flags	= (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE),
> +	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
> +	.sysc_fields	= &omap_hwmod_sysc_type1,
> +};
> +
> +static struct omap_hwmod_class am43xx_dispc_hwmod_class = {
> +	.name	= "dispc",
> +	.sysc	= &am43xx_dispc_sysc,
> +};
> +
> +static struct omap_hwmod am43xx_dss_core_hwmod = {
> +	.name		= "dss_core",
> +	.class		= &omap2_dss_hwmod_class,
> +	.clkdm_name	= "dss_clkdm",
> +	.main_clk	= "disp_clk",
> +	.prcm = {
> +		.omap4 = {
> +			.clkctrl_offs = AM43XX_CM_PER_DSS_CLKCTRL_OFFSET,
> +			.modulemode   = MODULEMODE_SWCTRL,
> +		},
> +	},
> +};
> +
> +/* display controller -dispc*/
> +
> +static struct omap_hwmod am43xx_dss_dispc_hwmod = {
> +	.name		= "dss_dispc",
> +	.class		= &am43xx_dispc_hwmod_class,
> +	.clkdm_name	= "dss_clkdm",
> +	.main_clk	= "disp_clk",
> +	.prcm = {
> +		.omap4 = {
> +			.clkctrl_offs = AM43XX_CM_PER_DSS_CLKCTRL_OFFSET,
> +		},
> +	},
> +	.dev_attr	= &am43xx_dss_dispc_dev_attr,
> +};
> +
> +/*RFBI*/
> +
> +static struct omap_hwmod am43xx_dss_rfbi_hwmod = {
> +	.name		= "dss_rfbi",
> +	.class		= &omap2_rfbi_hwmod_class,
> +	.clkdm_name	= "dss_clkdm",
> +	.main_clk	= "disp_clk",
> +	.prcm = {
> +		.omap4 = {
> +			.clkctrl_offs = AM43XX_CM_PER_DSS_CLKCTRL_OFFSET,
> +		},
> +	},
> +};
> +
>  /* Interfaces */
>  static struct omap_hwmod_ocp_if am43xx_l3_main__l4_hs = {
>  	.master		= &am33xx_l3_main_hwmod,
> @@ -654,6 +720,34 @@ static struct omap_hwmod_ocp_if am43xx_l3_s__qspi = {
>  	.user           = OCP_USER_MPU | OCP_USER_SDMA,
>  };
>  
> +static struct omap_hwmod_ocp_if am43xx_dss__l3_main = {
> +	.master		= &am43xx_dss_core_hwmod,
> +	.slave		= &am33xx_l3_main_hwmod,
> +	.clk		= "l3_gclk",
> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +static struct omap_hwmod_ocp_if am43xx_l4_ls__dss = {
> +	.master		= &am33xx_l4_ls_hwmod,
> +	.slave		= &am43xx_dss_core_hwmod,
> +	.clk		= "l4ls_gclk",
> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +static struct omap_hwmod_ocp_if am43xx_l4_ls__dss_dispc = {
> +	.master		= &am33xx_l4_ls_hwmod,
> +	.slave		= &am43xx_dss_dispc_hwmod,
> +	.clk		= "l4ls_gclk",
> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +static struct omap_hwmod_ocp_if am43xx_l4_ls__dss_rfbi = {
> +	.master		= &am33xx_l4_ls_hwmod,
> +	.slave		= &am43xx_dss_rfbi_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,
> @@ -748,6 +842,10 @@ static struct omap_hwmod_ocp_if *am43xx_hwmod_ocp_ifs[] __initdata = {
>  	&am43xx_l4_ls__ocp2scp1,
>  	&am43xx_l3_s__usbotgss0,
>  	&am43xx_l3_s__usbotgss1,
> +	&am43xx_dss__l3_main,
> +	&am43xx_l4_ls__dss,
> +	&am43xx_l4_ls__dss_dispc,
> +	&am43xx_l4_ls__dss_rfbi,
>  	NULL,
>  };
>  
> diff --git a/arch/arm/mach-omap2/prcm43xx.h b/arch/arm/mach-omap2/prcm43xx.h
> index 7785be9..ad7b3e9 100644
> --- a/arch/arm/mach-omap2/prcm43xx.h
> +++ b/arch/arm/mach-omap2/prcm43xx.h
> @@ -142,5 +142,6 @@
>  #define AM43XX_CM_PER_USBPHYOCP2SCP0_CLKCTRL_OFFSET	0x05B8
>  #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
>  
>  #endif
> -- 
> 2.0.0.rc1
> 

-- 
balbi

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