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Date: Thu, 24 Oct 2019 01:58:37 +0000
From: Peng Fan <peng.fan@....com>
To: "mturquette@...libre.com" <mturquette@...libre.com>,
"sboyd@...nel.org" <sboyd@...nel.org>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>
CC: "kernel@...gutronix.de" <kernel@...gutronix.de>,
dl-linux-imx <linux-imx@....com>,
Anson Huang <anson.huang@....com>,
Jacky Bai <ping.bai@....com>, Abel Vesa <abel.vesa@....com>,
"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Leonard Crestez <leonard.crestez@....com>,
Peng Fan <peng.fan@....com>
Subject: [PATCH V2 1/3] clk: imx: imx8mm: mark sys_pll1/2 as fixed clock
From: Peng Fan <peng.fan@....com>
According Architecture definition guide, SYS_PLL1 is fixed at
800MHz, SYS_PLL2 is fixed at 1000MHz, so let's use imx_clk_fixed
to register the clocks and drop code that could change the rate.
Reviewed-by: Abel Vesa <abel.vesa@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
drivers/clk/imx/clk-imx8mm.c | 46 +++++++++++++++++++-------------------------
1 file changed, 20 insertions(+), 26 deletions(-)
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c
index bbd212eb904e..ef307145e5d3 100644
--- a/drivers/clk/imx/clk-imx8mm.c
+++ b/drivers/clk/imx/clk-imx8mm.c
@@ -34,8 +34,6 @@ static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", };
static const char *gpu_pll_bypass_sels[] = {"gpu_pll", "gpu_pll_ref_sel", };
static const char *vpu_pll_bypass_sels[] = {"vpu_pll", "vpu_pll_ref_sel", };
static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", };
-static const char *sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_sel", };
-static const char *sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", };
static const char *sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", };
/* CCM ROOT */
@@ -325,8 +323,6 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
clks[IMX8MM_GPU_PLL_REF_SEL] = imx_clk_mux("gpu_pll_ref_sel", base + 0x64, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
clks[IMX8MM_VPU_PLL_REF_SEL] = imx_clk_mux("vpu_pll_ref_sel", base + 0x74, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
clks[IMX8MM_ARM_PLL_REF_SEL] = imx_clk_mux("arm_pll_ref_sel", base + 0x84, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
- clks[IMX8MM_SYS_PLL1_REF_SEL] = imx_clk_mux("sys_pll1_ref_sel", base + 0x94, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
- clks[IMX8MM_SYS_PLL2_REF_SEL] = imx_clk_mux("sys_pll2_ref_sel", base + 0x104, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
clks[IMX8MM_SYS_PLL3_REF_SEL] = imx_clk_mux("sys_pll3_ref_sel", base + 0x114, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
clks[IMX8MM_AUDIO_PLL1] = imx_clk_pll14xx("audio_pll1", "audio_pll1_ref_sel", base, &imx_1443x_pll);
@@ -336,8 +332,8 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
clks[IMX8MM_GPU_PLL] = imx_clk_pll14xx("gpu_pll", "gpu_pll_ref_sel", base + 0x64, &imx_1416x_pll);
clks[IMX8MM_VPU_PLL] = imx_clk_pll14xx("vpu_pll", "vpu_pll_ref_sel", base + 0x74, &imx_1416x_pll);
clks[IMX8MM_ARM_PLL] = imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", base + 0x84, &imx_1416x_pll);
- clks[IMX8MM_SYS_PLL1] = imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel", base + 0x94, &imx_1416x_pll);
- clks[IMX8MM_SYS_PLL2] = imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel", base + 0x104, &imx_1416x_pll);
+ clks[IMX8MM_SYS_PLL1] = imx_clk_fixed("sys_pll1", 800000000);
+ clks[IMX8MM_SYS_PLL2] = imx_clk_fixed("sys_pll2", 1000000000);
clks[IMX8MM_SYS_PLL3] = imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel", base + 0x114, &imx_1416x_pll);
/* PLL bypass out */
@@ -348,8 +344,6 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
clks[IMX8MM_GPU_PLL_BYPASS] = imx_clk_mux_flags("gpu_pll_bypass", base + 0x64, 28, 1, gpu_pll_bypass_sels, ARRAY_SIZE(gpu_pll_bypass_sels), CLK_SET_RATE_PARENT);
clks[IMX8MM_VPU_PLL_BYPASS] = imx_clk_mux_flags("vpu_pll_bypass", base + 0x74, 28, 1, vpu_pll_bypass_sels, ARRAY_SIZE(vpu_pll_bypass_sels), CLK_SET_RATE_PARENT);
clks[IMX8MM_ARM_PLL_BYPASS] = imx_clk_mux_flags("arm_pll_bypass", base + 0x84, 28, 1, arm_pll_bypass_sels, ARRAY_SIZE(arm_pll_bypass_sels), CLK_SET_RATE_PARENT);
- clks[IMX8MM_SYS_PLL1_BYPASS] = imx_clk_mux_flags("sys_pll1_bypass", base + 0x94, 28, 1, sys_pll1_bypass_sels, ARRAY_SIZE(sys_pll1_bypass_sels), CLK_SET_RATE_PARENT);
- clks[IMX8MM_SYS_PLL2_BYPASS] = imx_clk_mux_flags("sys_pll2_bypass", base + 0x104, 28, 1, sys_pll2_bypass_sels, ARRAY_SIZE(sys_pll2_bypass_sels), CLK_SET_RATE_PARENT);
clks[IMX8MM_SYS_PLL3_BYPASS] = imx_clk_mux_flags("sys_pll3_bypass", base + 0x114, 28, 1, sys_pll3_bypass_sels, ARRAY_SIZE(sys_pll3_bypass_sels), CLK_SET_RATE_PARENT);
/* PLL out gate */
@@ -363,15 +357,15 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
clks[IMX8MM_SYS_PLL3_OUT] = imx_clk_gate("sys_pll3_out", "sys_pll3_bypass", base + 0x114, 11);
/* SYS PLL1 fixed output */
- clks[IMX8MM_SYS_PLL1_40M_CG] = imx_clk_gate("sys_pll1_40m_cg", "sys_pll1_bypass", base + 0x94, 27);
- clks[IMX8MM_SYS_PLL1_80M_CG] = imx_clk_gate("sys_pll1_80m_cg", "sys_pll1_bypass", base + 0x94, 25);
- clks[IMX8MM_SYS_PLL1_100M_CG] = imx_clk_gate("sys_pll1_100m_cg", "sys_pll1_bypass", base + 0x94, 23);
- clks[IMX8MM_SYS_PLL1_133M_CG] = imx_clk_gate("sys_pll1_133m_cg", "sys_pll1_bypass", base + 0x94, 21);
- clks[IMX8MM_SYS_PLL1_160M_CG] = imx_clk_gate("sys_pll1_160m_cg", "sys_pll1_bypass", base + 0x94, 19);
- clks[IMX8MM_SYS_PLL1_200M_CG] = imx_clk_gate("sys_pll1_200m_cg", "sys_pll1_bypass", base + 0x94, 17);
- clks[IMX8MM_SYS_PLL1_266M_CG] = imx_clk_gate("sys_pll1_266m_cg", "sys_pll1_bypass", base + 0x94, 15);
- clks[IMX8MM_SYS_PLL1_400M_CG] = imx_clk_gate("sys_pll1_400m_cg", "sys_pll1_bypass", base + 0x94, 13);
- clks[IMX8MM_SYS_PLL1_OUT] = imx_clk_gate("sys_pll1_out", "sys_pll1_bypass", base + 0x94, 11);
+ clks[IMX8MM_SYS_PLL1_40M_CG] = imx_clk_gate("sys_pll1_40m_cg", "sys_pll1", base + 0x94, 27);
+ clks[IMX8MM_SYS_PLL1_80M_CG] = imx_clk_gate("sys_pll1_80m_cg", "sys_pll1", base + 0x94, 25);
+ clks[IMX8MM_SYS_PLL1_100M_CG] = imx_clk_gate("sys_pll1_100m_cg", "sys_pll1", base + 0x94, 23);
+ clks[IMX8MM_SYS_PLL1_133M_CG] = imx_clk_gate("sys_pll1_133m_cg", "sys_pll1", base + 0x94, 21);
+ clks[IMX8MM_SYS_PLL1_160M_CG] = imx_clk_gate("sys_pll1_160m_cg", "sys_pll1", base + 0x94, 19);
+ clks[IMX8MM_SYS_PLL1_200M_CG] = imx_clk_gate("sys_pll1_200m_cg", "sys_pll1", base + 0x94, 17);
+ clks[IMX8MM_SYS_PLL1_266M_CG] = imx_clk_gate("sys_pll1_266m_cg", "sys_pll1", base + 0x94, 15);
+ clks[IMX8MM_SYS_PLL1_400M_CG] = imx_clk_gate("sys_pll1_400m_cg", "sys_pll1", base + 0x94, 13);
+ clks[IMX8MM_SYS_PLL1_OUT] = imx_clk_gate("sys_pll1_out", "sys_pll1", base + 0x94, 11);
clks[IMX8MM_SYS_PLL1_40M] = imx_clk_fixed_factor("sys_pll1_40m", "sys_pll1_40m_cg", 1, 20);
clks[IMX8MM_SYS_PLL1_80M] = imx_clk_fixed_factor("sys_pll1_80m", "sys_pll1_80m_cg", 1, 10);
@@ -384,15 +378,15 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
clks[IMX8MM_SYS_PLL1_800M] = imx_clk_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1);
/* SYS PLL2 fixed output */
- clks[IMX8MM_SYS_PLL2_50M_CG] = imx_clk_gate("sys_pll2_50m_cg", "sys_pll2_bypass", base + 0x104, 27);
- clks[IMX8MM_SYS_PLL2_100M_CG] = imx_clk_gate("sys_pll2_100m_cg", "sys_pll2_bypass", base + 0x104, 25);
- clks[IMX8MM_SYS_PLL2_125M_CG] = imx_clk_gate("sys_pll2_125m_cg", "sys_pll2_bypass", base + 0x104, 23);
- clks[IMX8MM_SYS_PLL2_166M_CG] = imx_clk_gate("sys_pll2_166m_cg", "sys_pll2_bypass", base + 0x104, 21);
- clks[IMX8MM_SYS_PLL2_200M_CG] = imx_clk_gate("sys_pll2_200m_cg", "sys_pll2_bypass", base + 0x104, 19);
- clks[IMX8MM_SYS_PLL2_250M_CG] = imx_clk_gate("sys_pll2_250m_cg", "sys_pll2_bypass", base + 0x104, 17);
- clks[IMX8MM_SYS_PLL2_333M_CG] = imx_clk_gate("sys_pll2_333m_cg", "sys_pll2_bypass", base + 0x104, 15);
- clks[IMX8MM_SYS_PLL2_500M_CG] = imx_clk_gate("sys_pll2_500m_cg", "sys_pll2_bypass", base + 0x104, 13);
- clks[IMX8MM_SYS_PLL2_OUT] = imx_clk_gate("sys_pll2_out", "sys_pll2_bypass", base + 0x104, 11);
+ clks[IMX8MM_SYS_PLL2_50M_CG] = imx_clk_gate("sys_pll2_50m_cg", "sys_pll2", base + 0x104, 27);
+ clks[IMX8MM_SYS_PLL2_100M_CG] = imx_clk_gate("sys_pll2_100m_cg", "sys_pll2", base + 0x104, 25);
+ clks[IMX8MM_SYS_PLL2_125M_CG] = imx_clk_gate("sys_pll2_125m_cg", "sys_pll2", base + 0x104, 23);
+ clks[IMX8MM_SYS_PLL2_166M_CG] = imx_clk_gate("sys_pll2_166m_cg", "sys_pll2", base + 0x104, 21);
+ clks[IMX8MM_SYS_PLL2_200M_CG] = imx_clk_gate("sys_pll2_200m_cg", "sys_pll2", base + 0x104, 19);
+ clks[IMX8MM_SYS_PLL2_250M_CG] = imx_clk_gate("sys_pll2_250m_cg", "sys_pll2", base + 0x104, 17);
+ clks[IMX8MM_SYS_PLL2_333M_CG] = imx_clk_gate("sys_pll2_333m_cg", "sys_pll2", base + 0x104, 15);
+ clks[IMX8MM_SYS_PLL2_500M_CG] = imx_clk_gate("sys_pll2_500m_cg", "sys_pll2", base + 0x104, 13);
+ clks[IMX8MM_SYS_PLL2_OUT] = imx_clk_gate("sys_pll2_out", "sys_pll2", base + 0x104, 11);
clks[IMX8MM_SYS_PLL2_50M] = imx_clk_fixed_factor("sys_pll2_50m", "sys_pll2_50m_cg", 1, 20);
clks[IMX8MM_SYS_PLL2_100M] = imx_clk_fixed_factor("sys_pll2_100m", "sys_pll2_100m_cg", 1, 10);
--
2.16.4
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