linux-kernel - [PATCH V4 2/4] clk: qcom: gcc-ipq9574: Enable crypto clocks

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Date:   Fri, 26 May 2023 21:41:27 +0530
From:   Anusha Rao <quic_anusha@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <thara.gopinath@...il.com>,
        <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <p.zabel@...gutronix.de>,
        <bhupesh.sharma@...aro.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-crypto@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>
CC:     <quic_srichara@...cinc.com>, <quic_gokulsri@...cinc.com>,
        <quic_sjaganat@...cinc.com>, <quic_kathirav@...cinc.com>,
        <quic_arajkuma@...cinc.com>, <quic_poovendh@...cinc.com>
Subject: [PATCH V4 2/4] clk: qcom: gcc-ipq9574: Enable crypto clocks

Enable the clocks required for crypto operation.

Reviewed-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
Signed-off-by: Anusha Rao <quic_anusha@...cinc.com>
---
 Changes in V4:
	- Added crypto CLK and reset in alphabetical order.
	- Picked up Reviewed-by tag.

 drivers/clk/qcom/gcc-ipq9574.c | 72 ++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
index 7b0505f5c255..6914f962c893 100644
--- a/drivers/clk/qcom/gcc-ipq9574.c
+++ b/drivers/clk/qcom/gcc-ipq9574.c
@@ -728,6 +728,41 @@ static struct clk_rcg2 blsp1_uart6_apps_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_gcc_crypto_clk_src[] = {
+	F(160000000, P_GPLL0, 5, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 gcc_crypto_clk_src = {
+	.cmd_rcgr = 0x16004,
+	.freq_tbl = ftbl_gcc_crypto_clk_src,
+	.hid_width = 5,
+	.parent_map = gcc_xo_gpll0_gpll0_out_main_div2_map,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "gcc_crypto_clk_src",
+		.parent_data = gcc_xo_gpll0_gpll0_out_main_div2,
+		.num_parents = ARRAY_SIZE(gcc_xo_gpll0_gpll0_out_main_div2),
+		.ops = &clk_rcg2_ops,
+	},
+};
+
+static struct clk_branch gcc_crypto_clk = {
+	.halt_reg = 0x1600c,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x0b004,
+		.enable_mask = BIT(14),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gcc_crypto_clk",
+			.parent_hws = (const struct clk_hw *[]) {
+				&gcc_crypto_clk_src.clkr.hw },
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch gcc_apss_ahb_clk = {
 	.halt_reg = 0x24018,
 	.halt_check = BRANCH_HALT_VOTED,
@@ -2071,6 +2106,38 @@ static struct clk_rcg2 pcnoc_bfdcd_clk_src = {
 	},
 };
 
+static struct clk_branch gcc_crypto_axi_clk = {
+	.halt_reg = 0x16010,
+	.clkr = {
+		.enable_reg = 0x16010,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gcc_crypto_axi_clk",
+			.parent_hws = (const struct clk_hw *[]) {
+				&pcnoc_bfdcd_clk_src.clkr.hw },
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_crypto_ahb_clk = {
+	.halt_reg = 0x16014,
+	.clkr = {
+		.enable_reg = 0x16014,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gcc_crypto_ahb_clk",
+			.parent_hws = (const struct clk_hw *[]) {
+				&pcnoc_bfdcd_clk_src.clkr.hw },
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch gcc_nsscfg_clk = {
 	.halt_reg = 0x1702c,
 	.clkr = {
@@ -3880,6 +3947,10 @@ static struct clk_regmap *gcc_ipq9574_clks[] = {
 	[GCC_BLSP1_UART4_APPS_CLK] = &gcc_blsp1_uart4_apps_clk.clkr,
 	[GCC_BLSP1_UART5_APPS_CLK] = &gcc_blsp1_uart5_apps_clk.clkr,
 	[GCC_BLSP1_UART6_APPS_CLK] = &gcc_blsp1_uart6_apps_clk.clkr,
+	[GCC_CRYPTO_AHB_CLK] = &gcc_crypto_ahb_clk.clkr,
+	[GCC_CRYPTO_AXI_CLK] = &gcc_crypto_axi_clk.clkr,
+	[GCC_CRYPTO_CLK] = &gcc_crypto_clk.clkr,
+	[GCC_CRYPTO_CLK_SRC] = &gcc_crypto_clk_src.clkr,
 	[PCIE0_AXI_M_CLK_SRC] = &pcie0_axi_m_clk_src.clkr,
 	[GCC_PCIE0_AXI_M_CLK] = &gcc_pcie0_axi_m_clk.clkr,
 	[PCIE1_AXI_M_CLK_SRC] = &pcie1_axi_m_clk_src.clkr,
@@ -4063,6 +4134,7 @@ static const struct qcom_reset_map gcc_ipq9574_resets[] = {
 	[GCC_CMN_BLK_AHB_ARES] = { 0x3a010, 0 },
 	[GCC_CMN_BLK_SYS_ARES] = { 0x3a010, 1 },
 	[GCC_CMN_BLK_APU_ARES] = { 0x3a010, 2 },
+	[GCC_CRYPTO_BCR] = { 0x16000, 0 },
 	[GCC_DCC_BCR] = { 0x35000, 0 },
 	[GCC_DDRSS_BCR] = { 0x11000, 0 },
 	[GCC_IMEM_BCR] = { 0x0e000, 0 },
-- 
2.17.1