From: Viresh Kumar <viresh.kumar@st.com> To: <akpm@linux-foundation.org> Cc: <spear-devel@list.st.com>, <viresh.linux@gmail.com>, <devicetree-discuss@lists.ozlabs.org>, <rajeev-dlh.kumar@st.com>, <sr@denx.de>, <rtc-linux@googlegroups.com>, <a.zummo@towertech.it>, <linux-kernel@vger.kernel.org>, Viresh Kumar <viresh.kumar@st.com> Subject: [PATCH V2] rtc/spear: Add Device Tree probing capability Date: Mon, 26 Mar 2012 17:18:10 +0530 [thread overview] Message-ID: <0e8f36e3ab86241dd2352eaa298843a586b5dfa3.1332762373.git.viresh.kumar@st.com> (raw) SPEAr platforms now support DT and so must convert all drivers support DT. This patch adds DT probing support for rtc and updates its documentation too. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> --- Changes in V2: - updated compatible to spear600-rtc instead of spear-rtc Documentation/devicetree/bindings/rtc/spear-rtc.txt | 18 ++++++++++++++++++ drivers/rtc/rtc-spear.c | 10 ++++++++++ 2 files changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/spear-rtc.txt diff --git a/Documentation/devicetree/bindings/rtc/spear-rtc.txt b/Documentation/devicetree/bindings/rtc/spear-rtc.txt new file mode 100644 index 0000000..153946e --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/spear-rtc.txt @@ -0,0 +1,18 @@ +* SPEAr RTC + +Required properties: +- compatible : "st,spear600-rtc" +- reg : Address range of the rtc registers +- interrupt-parent: Should be the phandle for the interrupt controller + that services interrupts for this device +- interrupt: Should contain the rtc interrupt number + +Example: + + rtc@fc000000 { + compatible = "st,spear600-rtc"; + reg = <0xfc000000 0x1000>; + interrupt-parent = <&vic1>; + interrupts = <12>; + }; + diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index e38da0d..1f76320 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/slab.h> @@ -519,6 +520,14 @@ static void spear_rtc_shutdown(struct platform_device *pdev) clk_disable(config->clk); } +#ifdef CONFIG_OF +static const struct of_device_id spear_rtc_id_table[] = { + { .compatible = "st,spear600-rtc" }, + {} +}; +MODULE_DEVICE_TABLE(of, spear_rtc_id_table); +#endif + static struct platform_driver spear_rtc_driver = { .probe = spear_rtc_probe, .remove = __devexit_p(spear_rtc_remove), @@ -527,6 +536,7 @@ static struct platform_driver spear_rtc_driver = { .shutdown = spear_rtc_shutdown, .driver = { .name = "rtc-spear", + .of_match_table = of_match_ptr(spear_rtc_id_table), }, }; -- 1.7.10.rc2.10.gb47606
WARNING: multiple messages have this Message-ID (diff)
From: Viresh Kumar <viresh.kumar-qxv4g6HH51o@public.gmane.org> To: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org Cc: a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org, Viresh Kumar <viresh.kumar-qxv4g6HH51o@public.gmane.org>, rajeev-dlh.kumar-qxv4g6HH51o@public.gmane.org, rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, spear-devel-nkJGhpqTU55BDgjK7y7TUQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, viresh.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, sr-ynQEQJNshbs@public.gmane.org Subject: [PATCH V2] rtc/spear: Add Device Tree probing capability Date: Mon, 26 Mar 2012 17:18:10 +0530 [thread overview] Message-ID: <0e8f36e3ab86241dd2352eaa298843a586b5dfa3.1332762373.git.viresh.kumar@st.com> (raw) SPEAr platforms now support DT and so must convert all drivers support DT. This patch adds DT probing support for rtc and updates its documentation too. Signed-off-by: Viresh Kumar <viresh.kumar-qxv4g6HH51o@public.gmane.org> --- Changes in V2: - updated compatible to spear600-rtc instead of spear-rtc Documentation/devicetree/bindings/rtc/spear-rtc.txt | 18 ++++++++++++++++++ drivers/rtc/rtc-spear.c | 10 ++++++++++ 2 files changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/spear-rtc.txt diff --git a/Documentation/devicetree/bindings/rtc/spear-rtc.txt b/Documentation/devicetree/bindings/rtc/spear-rtc.txt new file mode 100644 index 0000000..153946e --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/spear-rtc.txt @@ -0,0 +1,18 @@ +* SPEAr RTC + +Required properties: +- compatible : "st,spear600-rtc" +- reg : Address range of the rtc registers +- interrupt-parent: Should be the phandle for the interrupt controller + that services interrupts for this device +- interrupt: Should contain the rtc interrupt number + +Example: + + rtc@fc000000 { + compatible = "st,spear600-rtc"; + reg = <0xfc000000 0x1000>; + interrupt-parent = <&vic1>; + interrupts = <12>; + }; + diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index e38da0d..1f76320 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/slab.h> @@ -519,6 +520,14 @@ static void spear_rtc_shutdown(struct platform_device *pdev) clk_disable(config->clk); } +#ifdef CONFIG_OF +static const struct of_device_id spear_rtc_id_table[] = { + { .compatible = "st,spear600-rtc" }, + {} +}; +MODULE_DEVICE_TABLE(of, spear_rtc_id_table); +#endif + static struct platform_driver spear_rtc_driver = { .probe = spear_rtc_probe, .remove = __devexit_p(spear_rtc_remove), @@ -527,6 +536,7 @@ static struct platform_driver spear_rtc_driver = { .shutdown = spear_rtc_shutdown, .driver = { .name = "rtc-spear", + .of_match_table = of_match_ptr(spear_rtc_id_table), }, }; -- 1.7.10.rc2.10.gb47606
next reply other threads:[~2012-03-26 11:49 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-03-26 11:48 Viresh Kumar [this message] 2012-03-26 11:48 ` [PATCH V2] rtc/spear: Add Device Tree probing capability Viresh Kumar
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