[PATCH V3 04/10] clk: imx8mn: register UART clocks

[Adam Ford]

In order to let the serial driver enable the clocks, the UART clocks
must be registered first.

Signed-off-by: Adam Ford <aford173 at gmail.com>
Reviewed-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/clk/imx/clk-imx8mn.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

V3:  No change
V2:  No Change

diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index be15ebd0e25..54ae887817a 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -97,6 +97,22 @@ static const char * const imx8mn_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m"
 						"sys_pll3_out", "audio_pll1_out", "video_pll_out",
 						"audio_pll2_out", "sys_pll1_133m", };
 
+static const char * const imx8mn_uart1_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+						 "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+						 "clk_ext4", "audio_pll2_out", };
+
+static const char * const imx8mn_uart2_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+						 "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+						 "clk_ext3", "audio_pll2_out", };
+
+static const char * const imx8mn_uart3_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+						 "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+						 "clk_ext4", "audio_pll2_out", };
+
+static const char * const imx8mn_uart4_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+						 "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+						 "clk_ext3", "audio_pll2_out", };
+
 #ifndef CONFIG_XPL_BUILD
 static const char * const imx8mn_pwm1_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m",
 						"sys_pll1_40m", "sys_pll3_out", "clk_ext1",
@@ -311,6 +327,14 @@ static int imx8mn_clk_probe(struct udevice *dev)
 	       imx8m_clk_composite("i2c3", imx8mn_i2c3_sels, base + 0xae00));
 	clk_dm(IMX8MN_CLK_I2C4,
 	       imx8m_clk_composite("i2c4", imx8mn_i2c4_sels, base + 0xae80));
+	clk_dm(IMX8MN_CLK_UART1,
+	       imx8m_clk_composite("uart1", imx8mn_uart1_sels, base + 0xaf00));
+	clk_dm(IMX8MN_CLK_UART2,
+	       imx8m_clk_composite("uart2", imx8mn_uart2_sels, base + 0xaf80));
+	clk_dm(IMX8MN_CLK_UART3,
+	       imx8m_clk_composite("uart3", imx8mn_uart3_sels, base + 0xb000));
+	clk_dm(IMX8MN_CLK_UART4,
+	       imx8m_clk_composite("uart4", imx8mn_uart4_sels, base + 0xb080));
 	clk_dm(IMX8MN_CLK_WDOG,
 	       imx8m_clk_composite("wdog", imx8mn_wdog_sels, base + 0xb900));
 	clk_dm(IMX8MN_CLK_USDHC3,
@@ -355,6 +379,14 @@ static int imx8mn_clk_probe(struct udevice *dev)
 	       imx_clk_gate2_shared2("nand_usdhc_rawnand_clk",
 				     "nand_usdhc_bus", base + 0x4300, 0,
 				     &share_count_nand));
+	clk_dm(IMX8MN_CLK_UART1_ROOT,
+	       imx_clk_gate4("uart1_root_clk", "uart1", base + 0x4490, 0));
+	clk_dm(IMX8MN_CLK_UART2_ROOT,
+	       imx_clk_gate4("uart2_root_clk", "uart2", base + 0x44a0, 0));
+	clk_dm(IMX8MN_CLK_UART3_ROOT,
+	       imx_clk_gate4("uart3_root_clk", "uart3", base + 0x44b0, 0));
+	clk_dm(IMX8MN_CLK_UART4_ROOT,
+	       imx_clk_gate4("uart4_root_clk", "uart4", base + 0x44c0, 0));
 	clk_dm(IMX8MN_CLK_USB1_CTRL_ROOT,
 		imx_clk_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0));
 
-- 
2.45.2