[PATCH 3/7] clk: imx: clk-imx8mn add gpmi nand clocks
Dario Binacchi
dario.binacchi at amarulasolutions.com
Wed Sep 28 10:45:05 CEST 2022
From: Michael Trimarchi <michael at amarulasolutions.com>
Add gpmi nand clock. Those clock can be used in mxs nand driver
to run nand to EDO mode 5, 4, ...
Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
---
drivers/clk/imx/clk-imx8mn.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index 15d7599cfb7d..35e0d935d390 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -15,6 +15,8 @@
#include "clk.h"
+static u32 share_count_nand;
+
static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", };
static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", };
static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", };
@@ -90,6 +92,10 @@ static const char *imx8mn_usdhc3_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sy
static const char *imx8mn_qspi_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll2_333m", "sys_pll2_500m",
"audio_pll2_out", "sys_pll1_266m", "sys_pll3_out", "sys_pll1_100m", };
+static const char * const imx8mn_nand_sels[] = {"osc_24m", "sys_pll2_500m", "audio_pll1_out",
+ "sys_pll1_400m", "audio_pll2_out", "sys_pll3_out",
+ "sys_pll2_250m", "video_pll1_out", };
+
static const char * const imx8mn_usb_core_sels[] = {"clock-osc-24m", "sys_pll1_100m", "sys_pll1_40m",
"sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
"clk_ext3", "audio_pll2_out", };
@@ -268,6 +274,8 @@ static int imx8mn_clk_probe(struct udevice *dev)
clk_dm(IMX8MN_CLK_USDHC3,
imx8m_clk_composite("usdhc3", imx8mn_usdhc3_sels,
base + 0xbc80));
+ clk_dm(IMX8MN_CLK_NAND,
+ imx8m_clk_composite("nand", imx8mn_nand_sels, base + 0xab00));
clk_dm(IMX8MN_CLK_QSPI,
imx8m_clk_composite("qspi", imx8mn_qspi_sels, base + 0xab80));
clk_dm(IMX8MN_CLK_USB_CORE_REF,
@@ -299,6 +307,12 @@ static int imx8mn_clk_probe(struct udevice *dev)
imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));
clk_dm(IMX8MN_CLK_QSPI_ROOT,
imx_clk_gate4("qspi_root_clk", "qspi", base + 0x42f0, 0));
+ clk_dm(IMX8MN_CLK_NAND_ROOT,
+ imx_clk_gate2_shared2("nand_root_clk", "nand", base + 0x4300, 0, &share_count_nand));
+ clk_dm(IMX8MN_CLK_NAND_USDHC_BUS_RAWNAND_CLK,
+ imx_clk_gate2_shared2("nand_usdhc_rawnand_clk",
+ "nand_usdhc_bus", base + 0x4300, 0,
+ &share_count_nand));
clk_dm(IMX8MN_CLK_USB1_CTRL_ROOT,
imx_clk_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0));
--
2.32.0
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