[PATCH v4 2/2] clk: imx95-blk-ctl: Add one clock gate for HSIO block

Richard Zhu hongxing.zhu at nxp.com
Thu Sep 5 01:38:55 PDT 2024


CREF_EN (Bit6) of LFAST_IO_REG control i.MX95 PCIe REF clock out
enable/disable.

Add compatible string "nxp,imx95-hsio-blk-ctl" to support PCIe REF clock
out gate.

Signed-off-by: Richard Zhu <hongxing.zhu at nxp.com>
Reviewed-by: Frank Li <Frank.Li at nxp.com>
Reviewed-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/clk/imx/clk-imx95-blk-ctl.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/clk/imx/clk-imx95-blk-ctl.c b/drivers/clk/imx/clk-imx95-blk-ctl.c
index 74f595f9e5e3..596dfb2f3b75 100644
--- a/drivers/clk/imx/clk-imx95-blk-ctl.c
+++ b/drivers/clk/imx/clk-imx95-blk-ctl.c
@@ -248,6 +248,25 @@ static const struct imx95_blk_ctl_dev_data dispmix_csr_dev_data = {
 	.clk_reg_offset = 0,
 };
 
+static const struct imx95_blk_ctl_clk_dev_data hsio_blk_ctl_clk_dev_data[] = {
+	[0] = {
+		.name = "hsio_blk_ctl_clk",
+		.parent_names = (const char *[]){ "hsio_pll", },
+		.num_parents = 1,
+		.reg = 0,
+		.bit_idx = 6,
+		.bit_width = 1,
+		.type = CLK_GATE,
+		.flags = CLK_SET_RATE_PARENT,
+	}
+};
+
+static const struct imx95_blk_ctl_dev_data hsio_blk_ctl_dev_data = {
+	.num_clks = 1,
+	.clk_dev_data = hsio_blk_ctl_clk_dev_data,
+	.clk_reg_offset = 0,
+};
+
 static int imx95_bc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -418,6 +437,7 @@ static const struct of_device_id imx95_bc_of_match[] = {
 	{ .compatible = "nxp,imx95-display-master-csr", },
 	{ .compatible = "nxp,imx95-lvds-csr", .data = &lvds_csr_dev_data },
 	{ .compatible = "nxp,imx95-display-csr", .data = &dispmix_csr_dev_data },
+	{ .compatible = "nxp,imx95-hsio-blk-ctl", .data = &hsio_blk_ctl_dev_data },
 	{ .compatible = "nxp,imx95-vpu-csr", .data = &vpublk_dev_data },
 	{ /* Sentinel */ },
 };
-- 
2.37.1




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