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Message-ID: <20210307131553.GE543@dragon>
Date: Sun, 7 Mar 2021 21:15:53 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Richard Zhu <hongxing.zhu@....com>, Abel Vesa <abel.vesa@....com>
Cc: ping.bai@....com, linux-imx@....com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] clk: imx8mp: Remove the none exist pcie clocks
Copy Abel who is stepping up to maintain i.MX clock drivers.
Shawn
On Thu, Feb 18, 2021 at 04:33:46PM +0800, Richard Zhu wrote:
> In the i.MX8MP PCIe design, the PCIe PHY REF clock comes from external
> OSC or internal system PLL. It is configured in the IOMUX_GPR14 register
> directly, and can't be contolled by CCM at all.
> Remove the PCIE PHY clock from clock driver to clean up codes.
> There is only one PCIe in i.MX8MP, remove the none exist second PCIe
> related clocks.
> Remove the none exsits clocks IDs together.
>
> Signed-off-by: Richard Zhu <hongxing.zhu@....com>
> Reviewed-by: Jason Liu <jason.hui.liu@....com>
> ---
> drivers/clk/imx/clk-imx8mp.c | 15 ---------------
> include/dt-bindings/clock/imx8mp-clock.h | 3 ---
> 2 files changed, 18 deletions(-)
>
> diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
> index 2f4e1d674e1c..afbeb6bf1909 100644
> --- a/drivers/clk/imx/clk-imx8mp.c
> +++ b/drivers/clk/imx/clk-imx8mp.c
> @@ -152,10 +152,6 @@ static const char * const imx8mp_can2_sels[] = {"osc_24m", "sys_pll2_200m", "sys
> "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
> "sys_pll2_250m", "audio_pll2_out", };
>
> -static const char * const imx8mp_pcie_phy_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll2_500m",
> - "clk_ext1", "clk_ext2", "clk_ext3",
> - "clk_ext4", "sys_pll1_400m", };
> -
> static const char * const imx8mp_pcie_aux_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll2_50m",
> "sys_pll3_out", "sys_pll2_100m", "sys_pll1_80m",
> "sys_pll1_160m", "sys_pll1_200m", };
> @@ -380,14 +376,6 @@ static const char * const imx8mp_memrepair_sels[] = {"osc_24m", "sys_pll2_100m",
> "sys_pll1_800m", "sys_pll2_1000m", "sys_pll3_out",
> "clk_ext3", "audio_pll2_out", };
>
> -static const char * const imx8mp_pcie2_ctrl_sels[] = {"osc_24m", "sys_pll2_250m", "sys_pll2_200m",
> - "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_500m",
> - "sys_pll2_333m", "sys_pll3_out", };
> -
> -static const char * const imx8mp_pcie2_phy_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll2_500m",
> - "clk_ext1", "clk_ext2", "clk_ext3",
> - "clk_ext4", "sys_pll1_400m", };
> -
> static const char * const imx8mp_media_mipi_test_byte_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll2_50m",
> "sys_pll3_out", "sys_pll2_100m",
> "sys_pll1_80m", "sys_pll1_160m",
> @@ -585,7 +573,6 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
> hws[IMX8MP_CLK_VPU_G2] = imx8m_clk_hw_composite("vpu_g2", imx8mp_vpu_g2_sels, ccm_base + 0xa180);
> hws[IMX8MP_CLK_CAN1] = imx8m_clk_hw_composite("can1", imx8mp_can1_sels, ccm_base + 0xa200);
> hws[IMX8MP_CLK_CAN2] = imx8m_clk_hw_composite("can2", imx8mp_can2_sels, ccm_base + 0xa280);
> - hws[IMX8MP_CLK_PCIE_PHY] = imx8m_clk_hw_composite("pcie_phy", imx8mp_pcie_phy_sels, ccm_base + 0xa380);
> hws[IMX8MP_CLK_PCIE_AUX] = imx8m_clk_hw_composite("pcie_aux", imx8mp_pcie_aux_sels, ccm_base + 0xa400);
> hws[IMX8MP_CLK_I2C5] = imx8m_clk_hw_composite("i2c5", imx8mp_i2c5_sels, ccm_base + 0xa480);
> hws[IMX8MP_CLK_I2C6] = imx8m_clk_hw_composite("i2c6", imx8mp_i2c6_sels, ccm_base + 0xa500);
> @@ -643,8 +630,6 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
> hws[IMX8MP_CLK_MEDIA_CAM2_PIX] = imx8m_clk_hw_composite("media_cam2_pix", imx8mp_media_cam2_pix_sels, ccm_base + 0xbe80);
> hws[IMX8MP_CLK_MEDIA_LDB] = imx8m_clk_hw_composite("media_ldb", imx8mp_media_ldb_sels, ccm_base + 0xbf00);
> hws[IMX8MP_CLK_MEMREPAIR] = imx8m_clk_hw_composite_critical("mem_repair", imx8mp_memrepair_sels, ccm_base + 0xbf80);
> - hws[IMX8MP_CLK_PCIE2_CTRL] = imx8m_clk_hw_composite("pcie2_ctrl", imx8mp_pcie2_ctrl_sels, ccm_base + 0xc000);
> - hws[IMX8MP_CLK_PCIE2_PHY] = imx8m_clk_hw_composite("pcie2_phy", imx8mp_pcie2_phy_sels, ccm_base + 0xc080);
> hws[IMX8MP_CLK_MEDIA_MIPI_TEST_BYTE] = imx8m_clk_hw_composite("media_mipi_test_byte", imx8mp_media_mipi_test_byte_sels, ccm_base + 0xc100);
> hws[IMX8MP_CLK_ECSPI3] = imx8m_clk_hw_composite("ecspi3", imx8mp_ecspi3_sels, ccm_base + 0xc180);
> hws[IMX8MP_CLK_PDM] = imx8m_clk_hw_composite("pdm", imx8mp_pdm_sels, ccm_base + 0xc200);
> diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
> index e8d68fbb6e3f..43927a1b9e94 100644
> --- a/include/dt-bindings/clock/imx8mp-clock.h
> +++ b/include/dt-bindings/clock/imx8mp-clock.h
> @@ -125,7 +125,6 @@
> #define IMX8MP_CLK_CAN1 116
> #define IMX8MP_CLK_CAN2 117
> #define IMX8MP_CLK_MEMREPAIR 118
> -#define IMX8MP_CLK_PCIE_PHY 119
> #define IMX8MP_CLK_PCIE_AUX 120
> #define IMX8MP_CLK_I2C5 121
> #define IMX8MP_CLK_I2C6 122
> @@ -182,8 +181,6 @@
> #define IMX8MP_CLK_MEDIA_CAM2_PIX 173
> #define IMX8MP_CLK_MEDIA_LDB 174
> #define IMX8MP_CLK_MEDIA_MIPI_CSI2_ESC 175
> -#define IMX8MP_CLK_PCIE2_CTRL 176
> -#define IMX8MP_CLK_PCIE2_PHY 177
> #define IMX8MP_CLK_MEDIA_MIPI_TEST_BYTE 178
> #define IMX8MP_CLK_ECSPI3 179
> #define IMX8MP_CLK_PDM 180
> --
> 2.17.1
>
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