On Mon, 26 Oct 2015, Alim Akhtar wrote:
> Hi Lee,
> Thanks for looking into this.
>
> On 10/26/2015 04:36 PM, Lee Jones wrote:
> >On Mon, 26 Oct 2015, Alim Akhtar wrote:
> >
> >>From: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
> >>
> >>Add support for S2MPS15 PMIC which is similar to S2MPS11 PMIC. The S2MPS15
> >>PMIC supports 27 LDO regulators, 10 buck regulators, RTC, three 32.768KHz
> >>clock outputs and battery charger. This patch adds initial support for
> >>LDO and buck regulators of S2MPS15 device.
> >>
> >>Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
> >>Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> >>[Alim: Added s2mps15_devs like rtc and clk and related changes]
> >>Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> >>---
> >> drivers/mfd/sec-core.c | 31 +++++++
> >> drivers/mfd/sec-irq.c | 8 ++
> >> include/linux/mfd/samsung/core.h | 1 +
> >> include/linux/mfd/samsung/s2mps15.h | 161 +++++++++++++++++++++++++++++++++++
> >> 4 files changed, 201 insertions(+)
> >> create mode 100644 include/linux/mfd/samsung/s2mps15.h
> >>
> >>diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
> >>index 2626fc0b5b8c..db3d4d4ff805 100644
> >>--- a/drivers/mfd/sec-core.c
> >>+++ b/drivers/mfd/sec-core.c
> >>@@ -29,6 +29,7 @@
> >> #include <linux/mfd/samsung/s2mps11.h>
> >> #include <linux/mfd/samsung/s2mps13.h>
> >> #include <linux/mfd/samsung/s2mps14.h>
> >>+#include <linux/mfd/samsung/s2mps15.h>
> >> #include <linux/mfd/samsung/s2mpu02.h>
> >> #include <linux/mfd/samsung/s5m8763.h>
> >> #include <linux/mfd/samsung/s5m8767.h>
> >>@@ -96,6 +97,17 @@ static const struct mfd_cell s2mps14_devs[] = {
> >> }
> >> };
> >>
> >>+static const struct mfd_cell s2mps15_devs[] = {
> >>+ {
> >>+ .name = "s2mps15-pmic",
> >>+ }, {
> >>+ .name = "s2mps15-rtc",
> >>+ }, {
> >
> >Why don't these have compatibles?
> >
> s2mps15-pmic does have compatible below in sec_dt_match[].
Woah!! What's going on here? You're matching the MFD and Regulator
drivers with the same compatible string. And then registering the
Regulator device as an MFD. That's a bit confusing don't you think?
> s2mps15-rtc does not need one as rtc driver does not support OF yet.
> So no DT node for this as of now.
[...]
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Lee Jones
Linaro STMicroelectronics Landing Team Lead
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