Re: [PATCH 4/5] PM / devfreq: rockchip: add devfreq driver for rk3399 dmc

Hi Heiko,

On 2016년 09월 02일 08:17, Heiko Stübner wrote:

Am Freitag, 2. September 2016, 06:31:24 schrieb Lin Huang:

quoted

base on dfi result, we do ddr frequency scaling, register
dmc driver to devfreq framework, and use simple-ondemand
policy.

Signed-off-by: Lin Huang <redacted>
Signed-off-by: MyngJoo Ham <redacted>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
---

[...]

quoted

diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
new file mode 100644
index 0000000..54d65f2
--- /dev/null
+++ b/drivers/devfreq/rk3399_dmc.c

@@ -0,0 +1,480 @@
+/*
+ * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd.
+ * Author: Lin Huang <hl@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

for + * more details.
+ */
+
+#include <linux/arm-smccc.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/devfreq.h>
+#include <linux/devfreq-event.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
+#include <linux/regulator/consumer.h>
+#include <linux/rwsem.h>
+#include <linux/suspend.h>
+
+#include <soc/rockchip/rockchip_sip.h>

(Repeated from previous version)
For the shared sip-interface header I've prepared a signed, stable tag
which can be pulled from

The following changes since commit 29b4817d4018df78086157ea3a55c1d9424a7cfc:

  Linux 4.8-rc1 (2016-08-07 18:18:00 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git tags/rockchip-ddr-sip

for you to fetch changes up to 97dd82682f1a6174698fbea149a04b4cabc58c4f:

  soc: rockchip: add header for ddr rate SIP interface (2016-08-31 18:53:24 +0200)

----------------------------------------------------------------
Header file defining the SIP-interface to the ATF for DDR frequency changes

----------------------------------------------------------------
Lin Huang (1):
      soc: rockchip: add header for ddr rate SIP interface

 include/soc/rockchip/rockchip_sip.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 include/soc/rockchip/rockchip_sip.h

Thanks for creating the immutable branch.

-- 
Best Regards,
Chanwoo Choi