[PATCH v1 3/3] clk: qcom: gcc: Add support for Secure control source clock
From: Taniya Das <hidden>
Date: 2020-03-16 10:55:39
Also in:
linux-arm-msm, linux-clk, lkml
Subsystem:
arm/qualcomm mailing list, common clk framework, qualcomm clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Bjorn Andersson, Linus Torvalds
The secure controller driver requires to request for various frequencies on the source clock, thus add support for the same. Signed-off-by: Taniya Das <redacted> --- drivers/clk/qcom/gcc-sc7180.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/clk/qcom/gcc-sc7180.c b/drivers/clk/qcom/gcc-sc7180.c
index ad75847..3302f19 100644
--- a/drivers/clk/qcom/gcc-sc7180.c
+++ b/drivers/clk/qcom/gcc-sc7180.c@@ -817,6 +817,26 @@ static struct clk_rcg2 gcc_usb3_prim_phy_aux_clk_src = { }, }; +static const struct freq_tbl ftbl_gcc_sec_ctrl_clk_src[] = { + F(4800000, P_BI_TCXO, 4, 0, 0), + F(19200000, P_BI_TCXO, 1, 0, 0), + { } +}; + +static struct clk_rcg2 gcc_sec_ctrl_clk_src = { + .cmd_rcgr = 0x3d030, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gcc_parent_map_3, + .freq_tbl = ftbl_gcc_sec_ctrl_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gcc_sec_ctrl_clk_src", + .parent_data = gcc_parent_data_3, + .num_parents = 3, + .ops = &clk_rcg2_ops, + }, +}; + static struct clk_branch gcc_aggre_ufs_phy_axi_clk = { .halt_reg = 0x82024, .halt_check = BRANCH_HALT_DELAY,
@@ -2337,6 +2357,7 @@ static struct clk_regmap *gcc_sc7180_clocks[] = { [GPLL7] = &gpll7.clkr, [GPLL4] = &gpll4.clkr, [GPLL1] = &gpll1.clkr, + [GCC_SEC_CTRL_CLK_SRC] = &gcc_sec_ctrl_clk_src.clkr, }; static const struct qcom_reset_map gcc_sc7180_resets[] = { --
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