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clk: qcom: gcc: Add support for Global Clock controller found on SDM439

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Modify existing MSM8917 driver to support SDM439 SoC. SDM439 SoC has the
same changes as MSM8937 SoC, but with different gpll3 vco rate and
different GFX3D clock frequency table.

Signed-off-by: Daniil Titov <daniilt971@gmail.com>
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251117-gcc-msm8940-sdm439-v2-4-4af57c8bc7eb@mainlining.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Daniil Titov 2025-11-17 17:57:09 +01:00 committed by Bjorn Andersson
parent 7a5a8a67c0
commit a6df111d55
2 changed files with 51 additions and 2 deletions
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4
drivers/clk/qcom/Kconfig
View File

@ -387,12 +387,12 @@ config MSM_GCC_8916
SD/eMMC, display, graphics, camera etc.
config MSM_GCC_8917
tristate "MSM89(17/37/40)/QM215 Global Clock Controller"
tristate "MSM89(17/37/40)/QM215/SDM439 Global Clock Controller"
depends on ARM64 || COMPILE_TEST
select QCOM_GDSC
help
Support for the global clock controller on msm8917, msm8937,
msm8940 and qm215 devices.
msm8940, qm215 and sdm439 devices.
Say Y if you want to use devices such as UART, SPI i2c, USB,
SD/eMMC, display, graphics, camera etc.

49
drivers/clk/qcom/gcc-msm8917.c
View File

@ -978,6 +978,27 @@ static const struct freq_tbl ftbl_gfx3d_clk_src_msm8940[] = {
{ }
};
static const struct freq_tbl ftbl_gfx3d_clk_src_sdm439[] = {
F(19200000, P_XO, 1, 0, 0),
F(50000000, P_GPLL0, 16, 0, 0),
F(80000000, P_GPLL0, 10, 0, 0),
F(100000000, P_GPLL0, 8, 0, 0),
F(160000000, P_GPLL0, 5, 0, 0),
F(200000000, P_GPLL0, 4, 0, 0),
F(216000000, P_GPLL6, 5, 0, 0),
F(228570000, P_GPLL0, 3.5, 0, 0),
F(240000000, P_GPLL6, 4.5, 0, 0),
F(266670000, P_GPLL0, 3, 0, 0),
F(320000000, P_GPLL0, 2.5, 0, 0),
F(355200000, P_GPLL3, 1, 0, 0),
F(400000000, P_GPLL0, 2, 0, 0),
F(450000000, P_GPLL3, 1, 0, 0),
F(510000000, P_GPLL3, 1, 0, 0),
F(560000000, P_GPLL3, 1, 0, 0),
F(650000000, P_GPLL3, 1, 0, 0),
{ }
};
static struct clk_rcg2 gfx3d_clk_src = {
.cmd_rcgr = 0x59000,
.hid_width = 5,
@ -4061,6 +4082,16 @@ static const struct qcom_cc_desc gcc_msm8940_desc = {
.num_gdscs = ARRAY_SIZE(gcc_msm8937_gdscs),
};
static const struct qcom_cc_desc gcc_sdm439_desc = {
.config = &gcc_msm8917_regmap_config,
.clks = gcc_msm8937_clocks,
.num_clks = ARRAY_SIZE(gcc_msm8937_clocks),
.resets = gcc_msm8917_resets,
.num_resets = ARRAY_SIZE(gcc_msm8917_resets),
.gdscs = gcc_msm8937_gdscs,
.num_gdscs = ARRAY_SIZE(gcc_msm8937_gdscs),
};
static void msm8937_clock_override(void)
{
/* GPLL3 750MHz configuration */
@ -4086,6 +4117,21 @@ static void msm8937_clock_override(void)
usb_hs_system_clk_src.freq_tbl = ftbl_usb_hs_system_clk_src_msm8937;
}
static void sdm439_clock_override(void)
{
vcodec0_clk_src.parent_map = gcc_cpp_map;
vcodec0_clk_src.clkr.hw.init = &vcodec0_clk_src_init_msm8937;
vfe0_clk_src.freq_tbl = ftbl_vfe_clk_src_msm8937;
vfe1_clk_src.freq_tbl = ftbl_vfe_clk_src_msm8937;
cpp_clk_src.freq_tbl = ftbl_cpp_clk_src_msm8937;
vcodec0_clk_src.freq_tbl = ftbl_vcodec0_clk_src_msm8937;
gfx3d_clk_src.freq_tbl = ftbl_gfx3d_clk_src_sdm439;
csi0phytimer_clk_src.freq_tbl = ftbl_csi_phytimer_clk_src_msm8937;
csi1phytimer_clk_src.freq_tbl = ftbl_csi_phytimer_clk_src_msm8937;
usb_hs_system_clk_src.freq_tbl = ftbl_usb_hs_system_clk_src_msm8937;
}
static int gcc_msm8917_probe(struct platform_device *pdev)
{
struct regmap *regmap;
@ -4101,6 +4147,8 @@ static int gcc_msm8917_probe(struct platform_device *pdev)
} else if (gcc_desc == &gcc_msm8940_desc) {
msm8937_clock_override();
gfx3d_clk_src.freq_tbl = ftbl_gfx3d_clk_src_msm8940;
} else if (gcc_desc == &gcc_sdm439_desc) {
sdm439_clock_override();
}
regmap = qcom_cc_map(pdev, gcc_desc);
@ -4117,6 +4165,7 @@ static const struct of_device_id gcc_msm8917_match_table[] = {
{ .compatible = "qcom,gcc-qm215", .data = &gcc_qm215_desc },
{ .compatible = "qcom,gcc-msm8937", .data = &gcc_msm8937_desc },
{ .compatible = "qcom,gcc-msm8940", .data = &gcc_msm8940_desc },
{ .compatible = "qcom,gcc-sdm439", .data = &gcc_sdm439_desc },
{},
};
MODULE_DEVICE_TABLE(of, gcc_msm8917_match_table);