From a178a8c5de4f1c061a40d62f34ec081165a3862a Mon Sep 17 00:00:00 2001
From: Clark Wang <xiaoning.wang@nxp.com>
Date: Wed, 6 Apr 2022 14:30:09 +0800
Subject: [PATCH] imx: imx8ulp: clock: Add clock support for i3c controller
Add i3c controller clock enable/disable function for imx8ulp.
Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
arch/arm/mach-imx/imx8ulp/clock.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/mach-imx/imx8ulp/clock.c b/arch/arm/mach-imx/imx8ulp/clock.c
index 91580b2c29..a2b3ce78cc 100644
--- a/arch/arm/mach-imx/imx8ulp/clock.c
+++ b/arch/arm/mach-imx/imx8ulp/clock.c
@@ -237,6 +237,26 @@ u32 imx_get_i2cclk(u32 i2c_num)
}
#endif
+#if IS_ENABLED(CONFIG_SYS_I2C_IMX_I3C)
+int enable_i3c_clk(unsigned char enable, u32 i3c_num)
+{
+ if (enable) {
+ pcc_clock_enable(3, I3C2_PCC3_SLOT, false);
+ pcc_clock_sel(3, I3C2_PCC3_SLOT, SOSC_DIV2);
+ pcc_clock_enable(3, I3C2_PCC3_SLOT, true);
+ pcc_reset_peripheral(3, I3C2_PCC3_SLOT, false);
+ } else {
+ pcc_clock_enable(3, I3C2_PCC3_SLOT, false);
+ }
+ return 0;
+}
+
+u32 imx_get_i3cclk(u32 i3c_num)
+{
+ return pcc_clock_get_rate(3, I3C2_PCC3_SLOT);
+}
+#endif
+
void enable_usboh3_clk(unsigned char enable)
{
if (enable) {
--
2.39.5