linux-kernel - [PATCH v2 2/5] mailbox: qcom: Add support for SDX55 APCS IPC

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Date:   Fri,  8 Jan 2021 17:02:30 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        jassisinghbrar@...il.com
Cc:     viresh.kumar@...aro.org, ulf.hansson@...aro.org,
        bjorn.andersson@...aro.org, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v2 2/5] mailbox: qcom: Add support for SDX55 APCS IPC

In SDX55, the IPC bits are located in the APCS GCC block. Also, this block
can provide clock functionality. Hence, add support for IPC with correct
offset and name of the clock provider.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 drivers/mailbox/qcom-apcs-ipc-mailbox.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index 077e5c6a9ef7..1c205832a1cc 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
@@ -61,11 +61,15 @@ static const struct qcom_apcs_ipc_data apps_shared_apcs_data = {
 	.offset = 12, .clk_name = NULL
 };
 
+static const struct qcom_apcs_ipc_data sdx55_apcs_data = {
+	.offset = 0x1008, .clk_name = "qcom-sdx55-acps-clk"
+};
+
 static const struct regmap_config apcs_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
-	.max_register = 0xFFC,
+	.max_register = 0x1008,
 	.fast_io = true,
 };
 
@@ -162,6 +166,7 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
 	{ .compatible = "qcom,sdm660-apcs-hmss-global", .data = &sdm660_apcs_data },
 	{ .compatible = "qcom,sdm845-apss-shared", .data = &apps_shared_apcs_data },
 	{ .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data },
+	{ .compatible = "qcom,sdx55-apcs-gcc", .data = &sdx55_apcs_data },
 	{}
 };
 MODULE_DEVICE_TABLE(of, qcom_apcs_ipc_of_match);
-- 
2.25.1