linux-kernel - [PATCH v2 3/3] clk: qcom: gcc: Add support for Secure control source clock

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Message-Id: <1589709861-27580-4-git-send-email-tdas@codeaurora.org>
Date:   Sun, 17 May 2020 15:34:21 +0530
From:   Taniya Das <tdas@...eaurora.org>
To:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette   <mturquette@...libre.com>
Cc:     David Brown <david.brown@...aro.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Taniya Das <tdas@...eaurora.org>
Subject: [PATCH v2 3/3] clk: qcom: gcc: Add support for Secure control source clock

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 <tdas@...eaurora.org>
---
 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 7338052..ca4383e 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 = ARRAY_SIZE(gcc_parent_data_3),
+		.ops = &clk_rcg2_ops,
+	},
+};
+
 static struct clk_branch gcc_aggre_ufs_phy_axi_clk = {
 	.halt_reg = 0x82024,
 	.halt_check = BRANCH_HALT_DELAY,
@@ -2407,6 +2427,7 @@ static struct clk_regmap *gcc_sc7180_clocks[] = {
 	[GCC_MSS_NAV_AXI_CLK] = &gcc_mss_nav_axi_clk.clkr,
 	[GCC_MSS_Q6_MEMNOC_AXI_CLK] = &gcc_mss_q6_memnoc_axi_clk.clkr,
 	[GCC_MSS_SNOC_AXI_CLK] = &gcc_mss_snoc_axi_clk.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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