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Message-Id: <20180724174513.174018-3-dianders@chromium.org>
Date:   Tue, 24 Jul 2018 10:45:13 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     sboyd@...nel.org, andy.gross@...aro.org
Cc:     tdas@...eaurora.org, girishm@...eaurora.org,
        linux-arm-msm@...r.kernel.org, anischal@...eaurora.org,
        bjorn.andersson@...aro.org, grahamr@...eaurora.org,
        linux-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org, David Brown <david.brown@...aro.org>
Subject: [PATCH v3 2/2] clk: qcom: Add qspi (Quad SPI) clocks for sdm845

Add both the interface and core clock.

Signed-off-by: Douglas Anderson <dianders@...omium.org>
(am from https://lore.kernel.org/patchwork/patch/966680/mbox)

---

Changes in v3:
- Removed gcc_parent_names_9 which I had left in (doh!).

Changes in v2:
- Only 19.2, 100, 150, and 300 MHz now.
- All clocks come from MAIN rather than EVEN.
- Use parent map 0 instead of new parent map 9.

 drivers/clk/qcom/gcc-sdm845.c | 56 +++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c
index 0f694ed4238a..fc1c6658ad82 100644
--- a/drivers/clk/qcom/gcc-sdm845.c
+++ b/drivers/clk/qcom/gcc-sdm845.c
@@ -358,6 +358,28 @@ static struct clk_rcg2 gcc_pcie_phy_refgen_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_gcc_qspi_core_clk_src[] = {
+	F(19200000, P_BI_TCXO, 1, 0, 0),
+	F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0),
+	F(150000000, P_GPLL0_OUT_MAIN, 4, 0, 0),
+	F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 gcc_qspi_core_clk_src = {
+	.cmd_rcgr = 0x4b008,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = gcc_parent_map_0,
+	.freq_tbl = ftbl_gcc_qspi_core_clk_src,
+	.clkr.hw.init = &(struct clk_init_data){
+		.name = "gcc_qspi_core_clk_src",
+		.parent_names = gcc_parent_names_0,
+		.num_parents = 4,
+		.ops = &clk_rcg2_floor_ops,
+	},
+};
+
 static const struct freq_tbl ftbl_gcc_pdm2_clk_src[] = {
 	F(9600000, P_BI_TCXO, 2, 0, 0),
 	F(19200000, P_BI_TCXO, 1, 0, 0),
@@ -1935,6 +1957,37 @@ static struct clk_branch gcc_qmip_video_ahb_clk = {
 	},
 };
 
+static struct clk_branch gcc_qspi_cnoc_periph_ahb_clk = {
+	.halt_reg = 0x4b000,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x4b000,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_qspi_cnoc_periph_ahb_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_qspi_core_clk = {
+	.halt_reg = 0x4b004,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x4b004,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_qspi_core_clk",
+			.parent_names = (const char *[]){
+				"gcc_qspi_core_clk_src",
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch gcc_qupv3_wrap0_s0_clk = {
 	.halt_reg = 0x17030,
 	.halt_check = BRANCH_HALT_VOTED,
@@ -3383,6 +3436,9 @@ static struct clk_regmap *gcc_sdm845_clocks[] = {
 	[GPLL4] = &gpll4.clkr,
 	[GCC_CPUSS_DVM_BUS_CLK] = &gcc_cpuss_dvm_bus_clk.clkr,
 	[GCC_CPUSS_GNOC_CLK] = &gcc_cpuss_gnoc_clk.clkr,
+	[GCC_QSPI_CORE_CLK_SRC] = &gcc_qspi_core_clk_src.clkr,
+	[GCC_QSPI_CORE_CLK] = &gcc_qspi_core_clk.clkr,
+	[GCC_QSPI_CNOC_PERIPH_AHB_CLK] = &gcc_qspi_cnoc_periph_ahb_clk.clkr,
 };
 
 static const struct qcom_reset_map gcc_sdm845_resets[] = {
-- 
2.18.0.233.g985f88cf7e-goog

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