linux-kernel - [PATCH v4 09/11] clk: qcom: ipq8074: add USB GDSCs

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Message-Id: <20220515210048.483898-9-robimarko@gmail.com>
Date:   Sun, 15 May 2022 23:00:46 +0200
From:   Robert Marko <robimarko@...il.com>
To:     bjorn.andersson@...aro.org, agross@...nel.org,
        mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, tdas@...eaurora.org,
        absahu@...eaurora.org, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmitry.baryshkov@...aro.org
Cc:     Robert Marko <robimarko@...il.com>
Subject: [PATCH v4 09/11] clk: qcom: ipq8074: add USB GDSCs

Add GDSC-s for each of the two USB controllers built-in the IPQ8074.

Signed-off-by: Robert Marko <robimarko@...il.com>
---
Changes in v2:
* Use proper GSDCs instead of raw regmap writes.
---
 drivers/clk/qcom/Kconfig       |  1 +
 drivers/clk/qcom/gcc-ipq8074.c | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index d01436be6d7a..00fe5f066de5 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -166,6 +166,7 @@ config IPQ_LCC_806X
 
 config IPQ_GCC_8074
 	tristate "IPQ8074 Global Clock Controller"
+	select QCOM_GDSC
 	help
 	  Support for global clock controller on ipq8074 devices.
 	  Say Y if you want to use peripheral devices such as UART, SPI,
diff --git a/drivers/clk/qcom/gcc-ipq8074.c b/drivers/clk/qcom/gcc-ipq8074.c
index 85076c1383c7..3204d550ff76 100644
--- a/drivers/clk/qcom/gcc-ipq8074.c
+++ b/drivers/clk/qcom/gcc-ipq8074.c
@@ -22,6 +22,7 @@
 #include "clk-alpha-pll.h"
 #include "clk-regmap-divider.h"
 #include "clk-regmap-mux.h"
+#include "gdsc.h"
 #include "reset.h"
 
 enum {
@@ -4407,6 +4408,22 @@ static struct clk_branch gcc_pcie0_axi_s_bridge_clk = {
 	},
 };
 
+static struct gdsc usb0_gdsc = {
+	.gdscr = 0x3e078,
+	.pd = {
+		.name = "usb0_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc usb1_gdsc = {
+	.gdscr = 0x3f078,
+	.pd = {
+		.name = "usb1_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+};
+
 static const struct alpha_pll_config ubi32_pll_config = {
 	.l = 0x4e,
 	.config_ctl_val = 0x200d4aa8,
@@ -4810,6 +4827,11 @@ static const struct qcom_reset_map gcc_ipq8074_resets[] = {
 	[GCC_PCIE1_AXI_MASTER_STICKY_ARES] = { 0x76040, 6 },
 };
 
+static struct gdsc *gcc_ipq8074_gdscs[] = {
+	[USB0_GDSC] = &usb0_gdsc,
+	[USB1_GDSC] = &usb1_gdsc,
+};
+
 static const struct of_device_id gcc_ipq8074_match_table[] = {
 	{ .compatible = "qcom,gcc-ipq8074" },
 	{ }
@@ -4832,6 +4854,8 @@ static const struct qcom_cc_desc gcc_ipq8074_desc = {
 	.num_resets = ARRAY_SIZE(gcc_ipq8074_resets),
 	.clk_hws = gcc_ipq8074_hws,
 	.num_clk_hws = ARRAY_SIZE(gcc_ipq8074_hws),
+	.gdscs = gcc_ipq8074_gdscs,
+	.num_gdscs = ARRAY_SIZE(gcc_ipq8074_gdscs),
 };
 
 static int gcc_ipq8074_probe(struct platform_device *pdev)
-- 
2.36.1