Linux-ARM-MSM Archive on lore.kernel.org
 help / color / Atom feed
From: Taniya Das <tdas@codeaurora.org>
To: Stephen Boyd <sboyd@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>
Cc: Andy Gross <andy.gross@linaro.org>,
	David Brown <david.brown@linaro.org>,
	Rajendra Nayak <rnayak@codeaurora.org>,
	linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	Taniya Das <tdas@codeaurora.org>
Subject: [PATCH v1 2/3] clk: qcom: rcg2: Add support for hardware control mode
Date: Wed,  8 May 2019 23:54:54 +0530
Message-ID: <1557339895-21952-3-git-send-email-tdas@codeaurora.org> (raw)
In-Reply-To: <1557339895-21952-1-git-send-email-tdas@codeaurora.org>

Add a flag to indicate to support and enable hardware control mode
of an RCG.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
---
 drivers/clk/qcom/clk-rcg.h  | 3 +++
 drivers/clk/qcom/clk-rcg2.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h
index c25b57c..5562f38 100644
--- a/drivers/clk/qcom/clk-rcg.h
+++ b/drivers/clk/qcom/clk-rcg.h
@@ -139,6 +139,7 @@ struct clk_dyn_rcg {
  * @freq_tbl: frequency table
  * @clkr: regmap clock handle
  * @cfg_off: defines the cfg register offset from the CMD_RCGR + CFG_REG
+ * @flags: additional flag parameters for the RCG
  */
 struct clk_rcg2 {
 	u32			cmd_rcgr;
@@ -149,6 +150,8 @@ struct clk_rcg2 {
 	const struct freq_tbl	*freq_tbl;
 	struct clk_regmap	clkr;
 	u8			cfg_off;
+	u8			flags;
+#define HW_CLK_CTRL_MODE	BIT(0)
 };

 #define to_clk_rcg2(_hw) container_of(to_clk_regmap(_hw), struct clk_rcg2, clkr)
diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
index 57dbac9..5bb6d45 100644
--- a/drivers/clk/qcom/clk-rcg2.c
+++ b/drivers/clk/qcom/clk-rcg2.c
@@ -289,6 +289,9 @@ static int __clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f)
 	cfg |= rcg->parent_map[index].cfg << CFG_SRC_SEL_SHIFT;
 	if (rcg->mnd_width && f->n && (f->m != f->n))
 		cfg |= CFG_MODE_DUAL_EDGE;
+	if (rcg->flags & HW_CLK_CTRL_MODE)
+		cfg |= CFG_HW_CLK_CTRL_MASK;
+
 	return regmap_update_bits(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg),
 					mask, cfg);
 }
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the  Linux Foundation.


  parent reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-08 18:24 [PATCH v1 0/3] clk: qcom: Misc updates for Root Clock Generators Taniya Das
2019-05-08 18:24 ` [PATCH v1 1/3] clk: qcom: rcg: Return failure for RCG update Taniya Das
2019-07-15 22:52   ` Stephen Boyd
2019-05-08 18:24 ` Taniya Das [this message]
2019-07-15 22:52   ` [PATCH v1 2/3] clk: qcom: rcg2: Add support for hardware control mode Stephen Boyd
2019-07-16  4:19     ` Taniya Das
2019-07-16 23:18       ` Stephen Boyd
2019-07-30 10:50         ` Taniya Das
2019-07-30 15:38           ` Stephen Boyd
2019-05-08 18:24 ` [PATCH v1 3/3] clk: qcom: rcg: update the DFS macro for RCG Taniya Das
2019-05-09 17:27   ` Stephen Boyd
2019-05-10  2:58     ` Taniya Das
2019-05-10 17:54       ` Stephen Boyd
2019-05-13  3:44         ` Taniya Das
2019-07-15 22:44           ` Stephen Boyd
2019-07-16  4:22             ` Taniya Das
2019-07-16 23:22               ` Stephen Boyd
2019-07-30 10:51                 ` Taniya Das
2019-07-30 15:40                   ` Stephen Boyd

Reply instructions:

You may reply publically 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=1557339895-21952-3-git-send-email-tdas@codeaurora.org \
    --to=tdas@codeaurora.org \
    --cc=andy.gross@linaro.org \
    --cc=david.brown@linaro.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-soc@vger.kernel.org \
    --cc=mturquette@baylibre.com \
    --cc=rnayak@codeaurora.org \
    --cc=sboyd@kernel.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

Linux-ARM-MSM Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-arm-msm/0 linux-arm-msm/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-arm-msm linux-arm-msm/ https://lore.kernel.org/linux-arm-msm \
		linux-arm-msm@vger.kernel.org linux-arm-msm@archiver.kernel.org
	public-inbox-index linux-arm-msm


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-arm-msm


AGPL code for this site: git clone https://public-inbox.org/ public-inbox