From: Li Jun <jun.li@nxp.com>
To: sboyd@kernel.org, abelvesa@kernel.org
Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
mturquette@baylibre.com, l.stach@pengutronix.de,
peng.fan@nxp.com, alexander.stein@ew.tq-group.com,
gregkh@linuxfoundation.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org
Subject: [PATCH RESEND v3 2/3] clk: imx: imx8mp: add shared clk gate for usb suspend clk
Date: Fri, 23 Sep 2022 18:45:04 +0800 [thread overview]
Message-ID: <1663929905-10492-2-git-send-email-jun.li@nxp.com> (raw)
In-Reply-To: <1663929905-10492-1-git-send-email-jun.li@nxp.com>
32K usb suspend clock gate is shared with usb_root_clk.
Fixes: 9c140d9926761 ("clk: imx: Add support for i.MX8MP clock driver")
Cc: stable@vger.kernel.org # v5.19+
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
---
drivers/clk/imx/clk-imx8mp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index e89db568f5a8..5b66514bdd0c 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -17,6 +17,7 @@
static u32 share_count_nand;
static u32 share_count_media;
+static u32 share_count_usb;
static const char * const pll_ref_sels[] = { "osc_24m", "dummy", "dummy", "dummy", };
static const char * const audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", };
@@ -673,7 +674,8 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
hws[IMX8MP_CLK_UART2_ROOT] = imx_clk_hw_gate4("uart2_root_clk", "uart2", ccm_base + 0x44a0, 0);
hws[IMX8MP_CLK_UART3_ROOT] = imx_clk_hw_gate4("uart3_root_clk", "uart3", ccm_base + 0x44b0, 0);
hws[IMX8MP_CLK_UART4_ROOT] = imx_clk_hw_gate4("uart4_root_clk", "uart4", ccm_base + 0x44c0, 0);
- hws[IMX8MP_CLK_USB_ROOT] = imx_clk_hw_gate4("usb_root_clk", "hsio_axi", ccm_base + 0x44d0, 0);
+ hws[IMX8MP_CLK_USB_ROOT] = imx_clk_hw_gate2_shared2("usb_root_clk", "hsio_axi", ccm_base + 0x44d0, 0, &share_count_usb);
+ hws[IMX8MP_CLK_USB_SUSP] = imx_clk_hw_gate2_shared2("usb_suspend_clk", "osc_32k", ccm_base + 0x44d0, 0, &share_count_usb);
hws[IMX8MP_CLK_USB_PHY_ROOT] = imx_clk_hw_gate4("usb_phy_root_clk", "usb_phy_ref", ccm_base + 0x44f0, 0);
hws[IMX8MP_CLK_USDHC1_ROOT] = imx_clk_hw_gate4("usdhc1_root_clk", "usdhc1", ccm_base + 0x4510, 0);
hws[IMX8MP_CLK_USDHC2_ROOT] = imx_clk_hw_gate4("usdhc2_root_clk", "usdhc2", ccm_base + 0x4520, 0);
--
2.34.1
next prev parent reply other threads:[~2022-09-23 11:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-23 10:45 [PATCH RESEND v3 1/3] dt-bindings: clocks: imx8mp: Add ID for usb suspend clock Li Jun
2022-09-23 10:45 ` Li Jun [this message]
2022-09-30 0:53 ` [PATCH RESEND v3 2/3] clk: imx: imx8mp: add shared clk gate for usb suspend clk Stephen Boyd
2022-09-30 2:14 ` Jun Li
2022-09-23 10:45 ` [PATCH RESEND v3 3/3] arm64: dts: imx8mp: correct usb clocks Li Jun
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