linux-kernel - [PATCH] clk: imx7d: Add USB clock information

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Message-Id: <1522159880-16694-1-git-send-email-abel.vesa@nxp.com>
Date:   Tue, 27 Mar 2018 17:11:20 +0300
From:   Abel Vesa <abel.vesa@....com>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter Chen <peter.chen@...escale.com>,
        Irina Tirdea <irina.tirdea@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-imx@....com,
        Anson Huang <anson.huang@....com>,
        Abel Vesa <abel.vesa@....com>
Subject: [PATCH] clk: imx7d: Add USB clock information

From: Peter Chen <peter.chen@...escale.com>

Add USB clock information, the pll_usb_main_clk is USB_PLL at CCM
which is the output of USBOTG2 PHY.

Signed-off-by: Peter Chen <peter.chen@...escale.com>
Signed-off-by: Irina Tirdea <irina.tirdea@....com>
Signed-off-by: Abel Vesa <abel.vesa@....com>
---
 drivers/clk/imx/clk-imx7d.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index 89bfa75..39d110b 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -801,7 +801,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
 	clks[IMX7D_OCOTP_CLK] = imx_clk_gate4("ocotp_clk", "ipg_root_clk", base + 0x4230, 0);
 	clks[IMX7D_SNVS_CLK] = imx_clk_gate4("snvs_clk", "ipg_root_clk", base + 0x4250, 0);
 	clks[IMX7D_CAAM_CLK] = imx_clk_gate4("caam_clk", "ipg_root_clk", base + 0x4240, 0);
-	clks[IMX7D_USB_HSIC_ROOT_CLK] = imx_clk_gate4("usb_hsic_root_clk", "usb_hsic_post_div", base + 0x4420, 0);
+	clks[IMX7D_USB_HSIC_ROOT_CLK] = imx_clk_gate4("usb_hsic_root_clk", "usb_hsic_post_div", base + 0x4690, 0);
 	clks[IMX7D_SDMA_CORE_CLK] = imx_clk_gate4("sdma_root_clk", "ahb_root_clk", base + 0x4480, 0);
 	clks[IMX7D_PCIE_CTRL_ROOT_CLK] = imx_clk_gate4("pcie_ctrl_root_clk", "pcie_ctrl_post_div", base + 0x4600, 0);
 	clks[IMX7D_PCIE_PHY_ROOT_CLK] = imx_clk_gate4("pcie_phy_root_clk", "pcie_phy_post_div", base + 0x4600, 0);
@@ -867,6 +867,9 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
 	clks[IMX7D_CSI_MCLK_ROOT_CLK] = imx_clk_gate4("csi_mclk_root_clk", "csi_mclk_post_div", base + 0x4490, 0);
 	clks[IMX7D_AUDIO_MCLK_ROOT_CLK] = imx_clk_gate4("audio_mclk_root_clk", "audio_mclk_post_div", base + 0x4790, 0);
 	clks[IMX7D_WRCLK_ROOT_CLK] = imx_clk_gate4("wrclk_root_clk", "wrclk_post_div", base + 0x47a0, 0);
+	clks[IMX7D_USB_CTRL_CLK] = imx_clk_gate4("usb_ctrl_clk", "ahb_root_clk", base + 0x4680, 0);
+	clks[IMX7D_USB_PHY1_CLK] = imx_clk_gate4("usb_phy1_clk", "pll_usb1_main_clk", base + 0x46a0, 0);
+	clks[IMX7D_USB_PHY2_CLK] = imx_clk_gate4("usb_phy2_clk", "pll_usb_main_clk", base + 0x46b0, 0);
 	clks[IMX7D_ADC_ROOT_CLK] = imx_clk_gate4("adc_root_clk", "ipg_root_clk", base + 0x4200, 0);
 
 	clks[IMX7D_GPT_3M_CLK] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8);
@@ -892,6 +895,10 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
 	/* set uart module clock's parent clock source that must be great then 80MHz */
 	clk_set_parent(clks[IMX7D_UART1_ROOT_SRC], clks[IMX7D_OSC_24M_CLK]);
 
+	/* Set clock rate for USBPHY, the USB_PLL at CCM is from USBOTG2 */
+	clks[IMX7D_USB1_MAIN_480M_CLK] = imx_clk_fixed_factor("pll_usb1_main_clk", "osc", 20, 1);
+	clks[IMX7D_USB_MAIN_480M_CLK] = imx_clk_fixed_factor("pll_usb_main_clk", "osc", 20, 1);
+
 	imx_register_uart_clocks(uart_clks);
 
 }
-- 
2.7.4