From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philipp Zabel Subject: [PATCH v2 6/8] ARM i.MX5: Add System Reset Controller (SRC) support for i.MX51 and i.MX53 Date: Wed, 13 Feb 2013 18:34:30 +0100 Message-ID: <1360776872-18584-7-git-send-email-p.zabel@pengutronix.de> References: <1360776872-18584-1-git-send-email-p.zabel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1360776872-18584-1-git-send-email-p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: Marek Vasut , Fabio Estevam , Mike Turquette , Philipp Zabel , Sascha Hauer , kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org List-Id: devicetree@vger.kernel.org The SRC in i.MX51 and i.MX53 is similar to the one in i.MX6q minus the IPU2 reset line and multi core CPU reset/enable bits. Signed-off-by: Philipp Zabel Reviewed-by: Stephen Warren --- Changes since v1: - Changed matching compatible string to "fsl,imx51-src" - Use imx_src_init for both i.MX5 and i.MX6 --- arch/arm/boot/dts/imx6q.dtsi | 2 +- arch/arm/mach-imx/Kconfig | 2 ++ arch/arm/mach-imx/mm-imx5.c | 2 ++ arch/arm/mach-imx/src.c | 4 +++- 4 files changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index 03ad5d5..c444336 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -552,7 +552,7 @@ }; src: src@020d8000 { - compatible = "fsl,imx6q-src"; + compatible = "fsl,imx6q-src", "fsl,imx51-src"; reg = <0x020d8000 0x4000>; interrupts = <0 91 0x04 0 96 0x04>; #reset-cells = <1>; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 7b11d33..82c7f07 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -165,6 +165,7 @@ config SOC_IMX51 bool select ARCH_MX5 select ARCH_MX51 + select HAVE_IMX_SRC select PINCTRL select PINCTRL_IMX51 select SOC_IMX5 @@ -792,6 +793,7 @@ config SOC_IMX53 select ARCH_MX5 select ARCH_MX53 select HAVE_CAN_FLEXCAN if CAN + select HAVE_IMX_SRC select IMX_HAVE_PLATFORM_IMX2_WDT select PINCTRL select PINCTRL_IMX53 diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c index cf34994..b7c4e70 100644 --- a/arch/arm/mach-imx/mm-imx5.c +++ b/arch/arm/mach-imx/mm-imx5.c @@ -84,6 +84,7 @@ void __init imx51_init_early(void) mxc_set_cpu_type(MXC_CPU_MX51); mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR)); + imx_src_init(); } void __init imx53_init_early(void) @@ -91,6 +92,7 @@ void __init imx53_init_early(void) mxc_set_cpu_type(MXC_CPU_MX53); mxc_iomux_v3_init(MX53_IO_ADDRESS(MX53_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG1_BASE_ADDR)); + imx_src_init(); } void __init mx51_init_irq(void) diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 3228484..7ca37bb 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -112,7 +112,9 @@ void __init imx_src_init(void) struct device_node *np; u32 val; - np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src"); + np = of_find_compatible_node(NULL, NULL, "fsl,imx51-src"); + if (!np) + return; src_base = of_iomap(np, 0); WARN_ON(!src_base); -- 1.7.10.4