From: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
To: agross@kernel.org, bjorn.andersson@linaro.org,
lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org,
plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz,
tiwai@suse.com, srinivas.kandagatla@linaro.org,
rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, swboyd@chromium.org,
judyhsiao@chromium.org
Cc: Venkata Prasad Potturu <potturu@codeaurora.org>,
Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Subject: [PATCH] ASoC: qcom: soundwire: Enable soundwire bus clock for version 1.6
Date: Fri, 1 Oct 2021 21:54:31 +0530 [thread overview]
Message-ID: <1633105471-30928-1-git-send-email-srivasam@codeaurora.org> (raw)
Add support for soundwire 1.6 version to gate RX/TX bus clock.
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
---
drivers/soundwire/qcom.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 0ef79d6..599b3ed 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -127,6 +127,7 @@ struct qcom_swrm_ctrl {
struct device *dev;
struct regmap *regmap;
void __iomem *mmio;
+ char __iomem *swrm_hctl_reg;
struct completion broadcast;
struct completion enumeration;
struct work_struct slave_work;
@@ -610,6 +611,12 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
val = FIELD_PREP(SWRM_MCP_FRAME_CTRL_BANK_ROW_CTRL_BMSK, ctrl->rows_index);
val |= FIELD_PREP(SWRM_MCP_FRAME_CTRL_BANK_COL_CTRL_BMSK, ctrl->cols_index);
+ if (ctrl->swrm_hctl_reg) {
+ val = ioread32(ctrl->swrm_hctl_reg);
+ val &= 0xFFFFFFFD;
+ iowrite32(val, ctrl->swrm_hctl_reg);
+ }
+
ctrl->reg_write(ctrl, SWRM_MCP_FRAME_CTRL_BANK_ADDR(0), val);
/* Enable Auto enumeration */
@@ -1200,7 +1207,7 @@ static int qcom_swrm_probe(struct platform_device *pdev)
struct qcom_swrm_ctrl *ctrl;
const struct qcom_swrm_data *data;
int ret;
- u32 val;
+ int val, swrm_hctl_reg = 0;
ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL);
if (!ctrl)
@@ -1251,6 +1258,9 @@ static int qcom_swrm_probe(struct platform_device *pdev)
ctrl->bus.port_ops = &qcom_swrm_port_ops;
ctrl->bus.compute_params = &qcom_swrm_compute_params;
+ if (!of_property_read_u32(dev->of_node, "qcom,swrm-hctl-reg", &swrm_hctl_reg))
+ ctrl->swrm_hctl_reg = devm_ioremap(&pdev->dev, swrm_hctl_reg, 0x4);
+
ret = qcom_swrm_get_port_config(ctrl);
if (ret)
goto err_clk;
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
WARNING: multiple messages have this Message-ID (diff)
From: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
To: agross@kernel.org, bjorn.andersson@linaro.org,
lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org,
plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz,
tiwai@suse.com, srinivas.kandagatla@linaro.org,
rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, swboyd@chromium.org,
judyhsiao@chromium.org
Cc: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>,
Venkata Prasad Potturu <potturu@codeaurora.org>
Subject: [PATCH] ASoC: qcom: soundwire: Enable soundwire bus clock for version 1.6
Date: Fri, 1 Oct 2021 21:54:31 +0530 [thread overview]
Message-ID: <1633105471-30928-1-git-send-email-srivasam@codeaurora.org> (raw)
Add support for soundwire 1.6 version to gate RX/TX bus clock.
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
---
drivers/soundwire/qcom.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 0ef79d6..599b3ed 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -127,6 +127,7 @@ struct qcom_swrm_ctrl {
struct device *dev;
struct regmap *regmap;
void __iomem *mmio;
+ char __iomem *swrm_hctl_reg;
struct completion broadcast;
struct completion enumeration;
struct work_struct slave_work;
@@ -610,6 +611,12 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
val = FIELD_PREP(SWRM_MCP_FRAME_CTRL_BANK_ROW_CTRL_BMSK, ctrl->rows_index);
val |= FIELD_PREP(SWRM_MCP_FRAME_CTRL_BANK_COL_CTRL_BMSK, ctrl->cols_index);
+ if (ctrl->swrm_hctl_reg) {
+ val = ioread32(ctrl->swrm_hctl_reg);
+ val &= 0xFFFFFFFD;
+ iowrite32(val, ctrl->swrm_hctl_reg);
+ }
+
ctrl->reg_write(ctrl, SWRM_MCP_FRAME_CTRL_BANK_ADDR(0), val);
/* Enable Auto enumeration */
@@ -1200,7 +1207,7 @@ static int qcom_swrm_probe(struct platform_device *pdev)
struct qcom_swrm_ctrl *ctrl;
const struct qcom_swrm_data *data;
int ret;
- u32 val;
+ int val, swrm_hctl_reg = 0;
ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL);
if (!ctrl)
@@ -1251,6 +1258,9 @@ static int qcom_swrm_probe(struct platform_device *pdev)
ctrl->bus.port_ops = &qcom_swrm_port_ops;
ctrl->bus.compute_params = &qcom_swrm_compute_params;
+ if (!of_property_read_u32(dev->of_node, "qcom,swrm-hctl-reg", &swrm_hctl_reg))
+ ctrl->swrm_hctl_reg = devm_ioremap(&pdev->dev, swrm_hctl_reg, 0x4);
+
ret = qcom_swrm_get_port_config(ctrl);
if (ret)
goto err_clk;
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
next reply other threads:[~2021-10-01 16:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-01 16:24 Srinivasa Rao Mandadapu [this message]
2021-10-01 16:24 ` [PATCH] ASoC: qcom: soundwire: Enable soundwire bus clock for version 1.6 Srinivasa Rao Mandadapu
2021-10-01 17:57 ` Pierre-Louis Bossart
2021-10-05 14:13 ` Srinivasa Rao Mandadapu
2021-10-05 15:03 ` Pierre-Louis Bossart
2021-10-05 15:13 ` Srinivasa Rao Mandadapu
2021-10-05 17:01 ` Bjorn Andersson
2021-10-05 17:01 ` Bjorn Andersson
2021-10-08 5:30 ` Srinivasa Rao Mandadapu
2021-10-08 5:30 ` Srinivasa Rao Mandadapu
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=1633105471-30928-1-git-send-email-srivasam@codeaurora.org \
--to=srivasam@codeaurora.org \
--cc=agross@kernel.org \
--cc=alsa-devel@alsa-project.org \
--cc=bgoswami@codeaurora.org \
--cc=bjorn.andersson@linaro.org \
--cc=broonie@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=judyhsiao@chromium.org \
--cc=lgirdwood@gmail.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=perex@perex.cz \
--cc=plai@codeaurora.org \
--cc=potturu@codeaurora.org \
--cc=robh+dt@kernel.org \
--cc=rohitkr@codeaurora.org \
--cc=srinivas.kandagatla@linaro.org \
--cc=swboyd@chromium.org \
--cc=tiwai@suse.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.