| Message ID | 1373299498-10044-3-git-send-email-g.liakhovetski@gmx.de (mailing list archive) |
|---|---|
| State | Superseded |
| Commit | b88cf6f732946874aaf3e0528459e0f0271dfcec |
| Headers | show |
On Mon, Jul 08, 2013 at 06:04:58PM +0200, Guennadi Liakhovetski wrote: > Add CPUFreq support to ape6evm-reference, using a max8973 regulator, that > is supplying V_DVFS for the 4 CA15 cores on r8a73a4. > > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> > --- > > v3: call platform_device_register_simple() directly > > arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts | 22 ++++++++++++++++++++++ > arch/arm/mach-shmobile/board-ape6evm-reference.c | 2 ++ > 2 files changed, 24 insertions(+), 0 deletions(-) Thanks, I have queued this up for v3.12 in the dt-ape6evm branch with Magnus's Ack. It should appear in renesas-next-20130710 -- To unsubscribe from this list: send the line "unsubscribe linux-sh" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts index 3251f05..6f4506e 100644 --- a/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts +++ b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts @@ -31,3 +31,25 @@ ranges = <0 0 0 0x80000000>; }; }; + +&i2c5 { + vdd_dvfs: max8973@1b { + compatible = "maxim,max8973"; + reg = <0x1b>; + + regulator-min-microvolt = <935000>; + regulator-max-microvolt = <1200000>; + regulator-boot-on; + regulator-always-on; + }; +}; + +&cpu0 { + cpu0-supply = <&vdd_dvfs>; + operating-points = < + /* kHz uV */ + 1950000 1115000 + 1462500 995000 + >; + voltage-tolerance = <1>; /* 1% */ +}; diff --git a/arch/arm/mach-shmobile/board-ape6evm-reference.c b/arch/arm/mach-shmobile/board-ape6evm-reference.c index c828874..46b41de 100644 --- a/arch/arm/mach-shmobile/board-ape6evm-reference.c +++ b/arch/arm/mach-shmobile/board-ape6evm-reference.c @@ -22,6 +22,7 @@ #include <linux/kernel.h> #include <linux/of_platform.h> #include <linux/pinctrl/machine.h> +#include <linux/platform_device.h> #include <linux/sh_clk.h> #include <mach/common.h> #include <mach/r8a73a4.h> @@ -56,6 +57,7 @@ static void __init ape6evm_add_standard_devices(void) r8a73a4_pinmux_init(); r8a73a4_add_dt_devices(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + platform_device_register_simple("cpufreq-cpu0", -1, NULL, 0); } static const char *ape6evm_boards_compat_dt[] __initdata = {
Add CPUFreq support to ape6evm-reference, using a max8973 regulator, that is supplying V_DVFS for the 4 CA15 cores on r8a73a4. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> --- v3: call platform_device_register_simple() directly arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts | 22 ++++++++++++++++++++++ arch/arm/mach-shmobile/board-ape6evm-reference.c | 2 ++ 2 files changed, 24 insertions(+), 0 deletions(-)