On 10/4/2024 3:53 PM, Sricharan R wrote:
From: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
Add support for the global clock controller found on IPQ5424 SoC.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Co-developed-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
---
[V3] Added Reviewed tag
drivers/clk/qcom/Kconfig | 8 +
drivers/clk/qcom/Makefile | 1 +
drivers/clk/qcom/gcc-ipq5424.c | 3309 ++++++++++++++++++++++++++++++++
3 files changed, 3318 insertions(+)
create mode 100644 drivers/clk/qcom/gcc-ipq5424.c
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index a3e2a09e2105..6a576bc2301c 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -213,6 +213,14 @@ config IPQ_GCC_5332
Say Y if you want to use peripheral devices such as UART, SPI,
i2c, USB, SD/eMMC, etc.
+config IPQ_GCC_5424
+ tristate "IPQ5424 Global Clock Controller"
+ depends on ARM64 || COMPILE_TEST
+ help
+ Support for the global clock controller on ipq5424 devices.
+ Say Y if you want to use peripheral devices such as UART, SPI,
+ i2c, USB, SD/eMMC, etc.
+
config IPQ_GCC_6018
tristate "IPQ6018 Global Clock Controller"
help
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 2b378667a63f..d58ba0f9a482 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_IPQ_APSS_6018) += apss-ipq6018.o
obj-$(CONFIG_IPQ_GCC_4019) += gcc-ipq4019.o
obj-$(CONFIG_IPQ_GCC_5018) += gcc-ipq5018.o
obj-$(CONFIG_IPQ_GCC_5332) += gcc-ipq5332.o
+obj-$(CONFIG_IPQ_GCC_5424) += gcc-ipq5424.o
obj-$(CONFIG_IPQ_GCC_6018) += gcc-ipq6018.o
obj-$(CONFIG_IPQ_GCC_806X) += gcc-ipq806x.o
obj-$(CONFIG_IPQ_GCC_8074) += gcc-ipq8074.o
diff --git a/drivers/clk/qcom/gcc-ipq5424.c b/drivers/clk/qcom/gcc-ipq5424.c
new file mode 100644
index 000000000000..3458c1c98bb7
--- /dev/null
+++ b/drivers/clk/qcom/gcc-ipq5424.c
@@ -0,0 +1,3309 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018,2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,ipq5424-gcc.h>
+#include <dt-bindings/reset/qcom,ipq5424-gcc.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "clk-regmap-mux.h"
+#include "clk-regmap-phy-mux.h"
+#include "common.h"
+#include "reset.h"
+
+enum {
+ DT_XO,
+ DT_SLEEP_CLK,
+ DT_PCIE30_PHY0_PIPE_CLK,
+ DT_PCIE30_PHY1_PIPE_CLK,
+ DT_PCIE30_PHY2_PIPE_CLK,
+ DT_PCIE30_PHY3_PIPE_CLK,
+ DT_USB_PCIE_WRAPPER_PIPE_CLK,
+};
+
+enum {
+ P_GCC_GPLL0_OUT_MAIN_DIV_CLK_SRC,
+ P_GPLL0_OUT_AUX,
+ P_GPLL0_OUT_MAIN,
+ P_GPLL2_OUT_AUX,
+ P_GPLL2_OUT_MAIN,
+ P_GPLL4_OUT_AUX,
+ P_GPLL4_OUT_MAIN,
+ P_SLEEP_CLK,
+ P_XO,
+ P_USB3PHY_0_PIPE,
+};
+
<snip>
+
+static const struct freq_tbl ftbl_gcc_qupv3_uart0_clk_src[] = {
+ F(960000, P_XO, 10, 2, 5),
+ F(4800000, P_XO, 5, 0, 0),
+ F(9600000, P_XO, 2, 4, 5),
+ F(16000000, P_GPLL0_OUT_MAIN, 10, 1, 5),
+ F(24000000, P_XO, 1, 0, 0),
+ F(25000000, P_GPLL0_OUT_MAIN, 16, 1, 2),
+ F(50000000, P_GPLL0_OUT_MAIN, 16, 0, 0),
+ F(64000000, P_GPLL0_OUT_MAIN, 12.5, 0, 0),
+ { }
+};
+
There are few more frequencies got added to this table. Can we
incorporate that as well?
Thanks, Kathiravan T.
