From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Lechner Subject: Re: [PATCH v5 2/5] ARM: davinci: da8xx: Add CFGCHIP syscon platform declaration. Date: Wed, 22 Jun 2016 12:03:10 -0500 Message-ID: <576AC4CE.1070506@lechnology.com> References: <1462837612-7803-1-git-send-email-david@lechnology.com> <1462837612-7803-3-git-send-email-david@lechnology.com> <7e0373cf-2ae9-e205-2226-0ded6894b709@cogentembedded.com> <57320FE6.60003@lechnology.com> <5745893C.5040603@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5745893C.5040603-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sekhar Nori , Sergei Shtylyov , khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Kishon Vijay Abraham I , Greg Kroah-Hartman , Alan Stern , Bin Liu , Lee Jones , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org From b0ae5eeba849b49f82980218a374c6d3f06487b8 Mon Sep 17 00:00:00 2001 From: David Lechner Date: Thu, 24 Mar 2016 01:38:54 -0500 Subject: [PATCH] ARM: davinci: da8xx: Add CFGCHIP syscon platform declaration. The CFGCHIP registers are used by a number of devices, so using a syscon device to share them. The first consumer of this will by the phy-da8xx-usb driver. Signed-off-by: David Lechner --- the id of syscon is changed from 0 to -1. arch/arm/mach-davinci/board-da830-evm.c | 4 ++++ arch/arm/mach-davinci/board-da850-evm.c | 4 ++++ arch/arm/mach-davinci/board-mityomapl138.c | 4 ++++ arch/arm/mach-davinci/board-omapl138-hawk.c | 4 ++++ arch/arm/mach-davinci/devices-da8xx.c | 28 ++++++++++++++++++++++++++++ arch/arm/mach-davinci/include/mach/da8xx.h | 2 ++ 6 files changed, 46 insertions(+) diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index 605d444..3051cb6 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -586,6 +586,10 @@ static __init void da830_evm_init(void) struct davinci_soc_info *soc_info = &davinci_soc_info; int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + ret = da830_register_gpio(); if (ret) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 8e4539f..ec5cb10 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -1345,6 +1345,10 @@ static __init void da850_evm_init(void) { int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + ret = da850_register_gpio(); if (ret) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c index bc4e63f..1a6d430 100644 --- a/arch/arm/mach-davinci/board-mityomapl138.c +++ b/arch/arm/mach-davinci/board-mityomapl138.c @@ -514,6 +514,10 @@ static void __init mityomapl138_init(void) { int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + /* for now, no special EDMA channels are reserved */ ret = da850_register_edma(NULL); if (ret) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index d4930b6..8691a25 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -294,6 +294,10 @@ static __init void omapl138_hawk_init(void) { int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + ret = da850_register_gpio(); if (ret) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 725e693..bf5f145 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -11,6 +11,7 @@ * (at your option) any later version. */ #include +#include #include #include #include @@ -1109,3 +1110,30 @@ int __init da850_register_sata(unsigned long refclkpn) return platform_device_register(&da850_sata_device); } #endif + +static struct syscon_platform_data da8xx_cfgchip_platform_data = { + .label = "cfgchip", +}; + +static struct resource da8xx_cfgchip_resources[] = { + { + .start = DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP0_REG, + .end = DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP4_REG + 3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device da8xx_cfgchip_device = { + .name = "syscon", + .id = -1, + .dev = { + .platform_data = &da8xx_cfgchip_platform_data, + }, + .num_resources = ARRAY_SIZE(da8xx_cfgchip_resources), + .resource = da8xx_cfgchip_resources, +}; + +int __init da8xx_register_cfgchip(void) +{ + return platform_device_register(&da8xx_cfgchip_device); +} diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index c367530..c32444b 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -61,6 +61,7 @@ extern unsigned int da850_max_speed; #define DA8XX_CFGCHIP1_REG 0x180 #define DA8XX_CFGCHIP2_REG 0x184 #define DA8XX_CFGCHIP3_REG 0x188 +#define DA8XX_CFGCHIP4_REG 0x18c #define DA8XX_SYSCFG1_BASE (IO_PHYS + 0x22C000) #define DA8XX_SYSCFG1_VIRT(x) (da8xx_syscfg1_base + (x)) @@ -116,6 +117,7 @@ void da8xx_rproc_reserve_cma(void); int da8xx_register_rproc(void); int da850_register_gpio(void); int da830_register_gpio(void); +int da8xx_register_cfgchip(void); extern struct platform_device da8xx_serial_device[]; extern struct emac_platform_data da8xx_emac_pdata; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html