linux-kernel - [PATCH v3 4/6] mailbox: qcom-apcs-ipc: add IPQ8074 APSS clock controller support

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Message-Id: <20220507203620.399028-4-robimarko@gmail.com>
Date:   Sat,  7 May 2022 22:36:18 +0200
From:   Robert Marko <robimarko@...il.com>
To:     agross@...nel.org, jassisinghbrar@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org
Cc:     Robert Marko <robimarko@...il.com>
Subject: [PATCH v3 4/6] mailbox: qcom-apcs-ipc: add IPQ8074 APSS clock controller support

IPQ8074 has the APSS clock controller utilizing the same register space as
the APCS, so provide access to the APSS utilizing a child device like
IPQ6018 does as well, but just by utilizing the IPQ8074 specific APSS
clock driver.

Also, APCS register space in IPQ8074 is 0x6000 so max_register needs to be
updated to 0x5FFC.

Signed-off-by: Robert Marko <robimarko@...il.com>
---
 drivers/mailbox/qcom-apcs-ipc-mailbox.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index 80a54d81412e..b3b9debf5673 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
@@ -33,6 +33,10 @@ static const struct qcom_apcs_ipc_data ipq6018_apcs_data = {
 	.offset = 8, .clk_name = "qcom,apss-ipq6018-clk"
 };
 
+static const struct qcom_apcs_ipc_data ipq8074_apcs_data = {
+	.offset = 8, .clk_name = "qcom,apss-ipq8074-clk"
+};
+
 static const struct qcom_apcs_ipc_data msm8916_apcs_data = {
 	.offset = 8, .clk_name = "qcom-apcs-msm8916-clk"
 };
@@ -57,7 +61,7 @@ static const struct regmap_config apcs_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
-	.max_register = 0x1008,
+	.max_register = 0x5FFC,
 	.fast_io = true,
 };
 
@@ -142,7 +146,7 @@ static int qcom_apcs_ipc_remove(struct platform_device *pdev)
 /* .data is the offset of the ipc register within the global block */
 static const struct of_device_id qcom_apcs_ipc_of_match[] = {
 	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = &ipq6018_apcs_data },
-	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = &msm8994_apcs_data },
+	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = &ipq8074_apcs_data },
 	{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = &msm8916_apcs_data },
 	{ .compatible = "qcom,msm8939-apcs-kpss-global", .data = &msm8916_apcs_data },
 	{ .compatible = "qcom,msm8953-apcs-kpss-global", .data = &msm8994_apcs_data },
-- 
2.35.1