[PATCH v2 09/11] clk: qcom: ipq8074: add USB GDSCs

Robert Marko
2022-05-07T20:30:46Z

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

Signed-off-by: Robert Marko <robimarko@gmail.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)
--
2.35.1