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authorAlvin Šipraga <alsi@bang-olufsen.dk>2022-03-18 01:35:59 +0300
committerAbel Vesa <abel.vesa@nxp.com>2022-04-12 13:56:02 +0300
commitce0fc2f00fa26310cd29e462f816a5e660754d68 (patch)
tree34ac04a4a3e711980fe0197699b11f2f0a95b045 /drivers/clk/imx
parent9b30501949f773777f3632d891e6defbb363daf5 (diff)
downloadlinux-ce0fc2f00fa26310cd29e462f816a5e660754d68.tar.xz
clk: imx8mn: add GPT support
Add support for the General Purpose Timer (GPT) clocks on the i.MX8MN. The i.MX8MN GPT IP block is the same as on the i.MX8MM, on which this patch is based. Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk> Reviewed-by: Abel Vesa <abel.vesa@nxp.com> Link: https://lore.kernel.org/r/20220317223600.175894-2-alvin@pqrs.dk Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Diffstat (limited to 'drivers/clk/imx')
-rw-r--r--drivers/clk/imx/clk-imx8mn.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index 745d533d11b1..d37c45b676ab 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -227,6 +227,30 @@ static const char * const imx8mn_pwm4_sels[] = {"osc_24m", "sys_pll2_100m", "sys
"sys_pll1_40m", "sys_pll3_out", "clk_ext2",
"sys_pll1_80m", "video_pll1_out", };
+static const char * const imx8mn_gpt1_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_400m",
+ "sys_pll1_40m", "video_pll1_out", "sys_pll1_80m",
+ "audio_pll1_out", "clk_ext1", };
+
+static const char * const imx8mn_gpt2_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_400m",
+ "sys_pll1_40m", "video_pll1_out", "sys_pll1_80m",
+ "audio_pll1_out", "clk_ext1", };
+
+static const char * const imx8mn_gpt3_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_400m",
+ "sys_pll1_40m", "video_pll1_out", "sys_pll1_80m",
+ "audio_pll1_out", "clk_ext1", };
+
+static const char * const imx8mn_gpt4_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_400m",
+ "sys_pll1_40m", "video_pll1_out", "sys_pll1_80m",
+ "audio_pll1_out", "clk_ext1", };
+
+static const char * const imx8mn_gpt5_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_400m",
+ "sys_pll1_40m", "video_pll1_out", "sys_pll1_80m",
+ "audio_pll1_out", "clk_ext1", };
+
+static const char * const imx8mn_gpt6_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_400m",
+ "sys_pll1_40m", "video_pll1_out", "sys_pll1_80m",
+ "audio_pll1_out", "clk_ext1", };
+
static const char * const imx8mn_wdog_sels[] = {"osc_24m", "sys_pll1_133m", "sys_pll1_160m",
"vpu_pll_out", "sys_pll2_125m", "sys_pll3_out",
"sys_pll1_80m", "sys_pll2_166m", };
@@ -476,6 +500,12 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
hws[IMX8MN_CLK_PWM2] = imx8m_clk_hw_composite("pwm2", imx8mn_pwm2_sels, base + 0xb400);
hws[IMX8MN_CLK_PWM3] = imx8m_clk_hw_composite("pwm3", imx8mn_pwm3_sels, base + 0xb480);
hws[IMX8MN_CLK_PWM4] = imx8m_clk_hw_composite("pwm4", imx8mn_pwm4_sels, base + 0xb500);
+ hws[IMX8MN_CLK_GPT1] = imx8m_clk_hw_composite("gpt1", imx8mn_gpt1_sels, base + 0xb580);
+ hws[IMX8MN_CLK_GPT2] = imx8m_clk_hw_composite("gpt2", imx8mn_gpt2_sels, base + 0xb600);
+ hws[IMX8MN_CLK_GPT3] = imx8m_clk_hw_composite("gpt3", imx8mn_gpt3_sels, base + 0xb680);
+ hws[IMX8MN_CLK_GPT4] = imx8m_clk_hw_composite("gpt4", imx8mn_gpt4_sels, base + 0xb700);
+ hws[IMX8MN_CLK_GPT5] = imx8m_clk_hw_composite("gpt5", imx8mn_gpt5_sels, base + 0xb780);
+ hws[IMX8MN_CLK_GPT6] = imx8m_clk_hw_composite("gpt6", imx8mn_gpt6_sels, base + 0xb800);
hws[IMX8MN_CLK_WDOG] = imx8m_clk_hw_composite("wdog", imx8mn_wdog_sels, base + 0xb900);
hws[IMX8MN_CLK_WRCLK] = imx8m_clk_hw_composite("wrclk", imx8mn_wrclk_sels, base + 0xb980);
hws[IMX8MN_CLK_CLKO1] = imx8m_clk_hw_composite("clko1", imx8mn_clko1_sels, base + 0xba00);
@@ -501,6 +531,12 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
hws[IMX8MN_CLK_GPIO3_ROOT] = imx_clk_hw_gate4("gpio3_root_clk", "ipg_root", base + 0x40d0, 0);
hws[IMX8MN_CLK_GPIO4_ROOT] = imx_clk_hw_gate4("gpio4_root_clk", "ipg_root", base + 0x40e0, 0);
hws[IMX8MN_CLK_GPIO5_ROOT] = imx_clk_hw_gate4("gpio5_root_clk", "ipg_root", base + 0x40f0, 0);
+ hws[IMX8MN_CLK_GPT1_ROOT] = imx_clk_hw_gate4("gpt1_root_clk", "gpt1", base + 0x4100, 0);
+ hws[IMX8MN_CLK_GPT2_ROOT] = imx_clk_hw_gate4("gpt2_root_clk", "gpt2", base + 0x4110, 0);
+ hws[IMX8MN_CLK_GPT3_ROOT] = imx_clk_hw_gate4("gpt3_root_clk", "gpt3", base + 0x4120, 0);
+ hws[IMX8MN_CLK_GPT4_ROOT] = imx_clk_hw_gate4("gpt4_root_clk", "gpt4", base + 0x4130, 0);
+ hws[IMX8MN_CLK_GPT5_ROOT] = imx_clk_hw_gate4("gpt5_root_clk", "gpt5", base + 0x4140, 0);
+ hws[IMX8MN_CLK_GPT6_ROOT] = imx_clk_hw_gate4("gpt6_root_clk", "gpt6", base + 0x4150, 0);
hws[IMX8MN_CLK_I2C1_ROOT] = imx_clk_hw_gate4("i2c1_root_clk", "i2c1", base + 0x4170, 0);
hws[IMX8MN_CLK_I2C2_ROOT] = imx_clk_hw_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0);
hws[IMX8MN_CLK_I2C3_ROOT] = imx_clk_hw_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0);
@@ -548,6 +584,8 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
hws[IMX8MN_CLK_SDMA3_ROOT] = imx_clk_hw_gate4("sdma3_clk", "ipg_audio_root", base + 0x45f0, 0);
hws[IMX8MN_CLK_SAI7_ROOT] = imx_clk_hw_gate2_shared2("sai7_root_clk", "sai7", base + 0x4650, 0, &share_count_sai7);
+ hws[IMX8MN_CLK_GPT_3M] = imx_clk_hw_fixed_factor("gpt_3m", "osc_24m", 1, 8);
+
hws[IMX8MN_CLK_DRAM_ALT_ROOT] = imx_clk_hw_fixed_factor("dram_alt_root", "dram_alt", 1, 4);
hws[IMX8MN_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_core",