From: <gabriel.fernandez@st.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Lee Jones <lee.jones@linaro.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>,
Gabriel Fernandez <gabriel.fernandez@st.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
gabriel.fernandez.st@gmail.com, olivier.bideau@st.com
Subject: [PATCH 13/14] clk: stm32mp1: add MCO clocks
Date: Fri, 2 Feb 2018 15:03:41 +0100 [thread overview]
Message-ID: <1517580222-23301-14-git-send-email-gabriel.fernandez@st.com> (raw)
In-Reply-To: <1517580222-23301-1-git-send-email-gabriel.fernandez@st.com>
From: Gabriel Fernandez <gabriel.fernandez@st.com>
Two micro-controller clock output (MCO) pins are available: MCO1 and MCO2.
For each output, it is possible to select a clock source.
The selected clock can be divided thanks to configurable prescaler.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
---
drivers/clk/clk-stm32mp1.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index 1cb06b0..0402a0e 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c
@@ -1188,6 +1188,16 @@ static struct clk_hw *_clk_register_cktim(struct device *dev,
_MUX(_mux_offset, _mux_bit, _mux_width, 0),\
}
+#define _GATEMUXDIV(_gate_offset, _bit_idx,\
+ _mux_offset, _mux_bit, _mux_width,\
+ _div_offset, _div_bit, _div_width\
+ )\
+{\
+ _DIV(_div_offset, _div_bit, _div_width, 0),\
+ _GATE(_gate_offset, _bit_idx, 0),\
+ _MUX(_mux_offset, _mux_bit, _mux_width, 0),\
+}
+
#define _MP1_GATE(_gate_offset, _bit_idx, _flags)\
_GATE_OPS(_gate_offset, _bit_idx, _flags, &mp1_gate_clk_ops)
@@ -1543,6 +1553,19 @@ static struct clk_hw *_clk_register_cktim(struct device *dev,
COMPOSITE(RTC, "ck_rtc", rtc_src, CLK_OPS_PARENT_ENABLE |
CLK_SET_RATE_PARENT,
_GATEMUX(RCC_BDCR, 20, RCC_BDCR, 16, 2)),
+
+ /* MCO clocks */
+ COMPOSITE(CK_MCO1, "ck_mco1", mco1_src, CLK_OPS_PARENT_ENABLE |
+ CLK_SET_RATE_NO_REPARENT,
+ _GATEMUXDIV(RCC_MCO1CFGR, 12,
+ RCC_MCO1CFGR, 0, 3,
+ RCC_MCO1CFGR, 4, 4)),
+
+ COMPOSITE(CK_MCO2, "ck_mco2", mco2_src, CLK_OPS_PARENT_ENABLE |
+ CLK_SET_RATE_NO_REPARENT,
+ _GATEMUXDIV(RCC_MCO2CFGR, 12,
+ RCC_MCO2CFGR, 0, 3,
+ RCC_MCO2CFGR, 4, 4)),
};
struct stm32_clock_match_data {
--
1.9.1
next prev parent reply other threads:[~2018-02-02 14:03 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-02 14:03 [PATCH 00/14] Introduce STM32MP1 clock driver gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 02/14] dt-bindings: clock: add STM32MP1 clocks gabriel.fernandez
[not found] ` <1517580222-23301-3-git-send-email-gabriel.fernandez-qxv4g6HH51o@public.gmane.org>
2018-02-05 6:09 ` Rob Herring
2018-02-05 7:02 ` Gabriel FERNANDEZ
2018-02-02 14:03 ` [PATCH 04/14] clk: stm32mp1: add MP1 gate for osc hse/hsi/csi oscillators gabriel.fernandez
[not found] ` <1517580222-23301-1-git-send-email-gabriel.fernandez-qxv4g6HH51o@public.gmane.org>
2018-02-02 14:03 ` [PATCH 01/14] dt-bindings: Document STM32MP1 Reset Clock Controller (RCC) bindings gabriel.fernandez-qxv4g6HH51o
2018-02-05 6:09 ` Rob Herring
2018-02-05 7:01 ` Gabriel FERNANDEZ
2018-02-07 18:03 ` Rob Herring
2018-02-13 14:36 ` Gabriel FERNANDEZ
2018-02-05 7:15 ` Gabriel FERNANDEZ
2018-02-02 14:03 ` [PATCH 03/14] clk: stm32mp1: Introduce STM32MP1 clock driver gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 05/14] clk: stm32mp1: add Source Clocks for PLLs gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 06/14] clk: stm32mp1: add PLL clocks gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 07/14] clk: stm32mp1: add Post-dividers for PLL gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 08/14] clk: stm32mp1: add Sub System clocks gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 11/14] clk: stm32mp1: add Kernel clocks gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 12/14] clk: stm32mp1: add RTC clock gabriel.fernandez-qxv4g6HH51o
2018-02-02 14:03 ` [PATCH 09/14] clk: stm32mp1: add Kernel timers gabriel.fernandez
2018-02-02 14:03 ` [PATCH 10/14] clk: stm32mp1: add Peripheral clocks gabriel.fernandez
2018-02-02 14:03 ` gabriel.fernandez [this message]
2018-02-02 14:03 ` [PATCH 14/14] clk: stm32mp1: add Debug clocks gabriel.fernandez
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1517580222-23301-14-git-send-email-gabriel.fernandez@st.com \
--to=gabriel.fernandez@st.com \
--cc=alexandre.torgue@st.com \
--cc=devicetree@vger.kernel.org \
--cc=gabriel.fernandez.st@gmail.com \
--cc=lee.jones@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mcoquelin.stm32@gmail.com \
--cc=mturquette@baylibre.com \
--cc=olivier.bideau@st.com \
--cc=robh+dt@kernel.org \
--cc=sboyd@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).