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From: Lucas Stach <l.stach@pengutronix.de>
To: Richard Zhu <r65037@freescale.com>
Cc: linux-pci-owner@vger.kernel.org, linux-pci@vger.kernel.org,
	shawn.guo@freescale.com, festevam@gmail.com,
	tharvey@gateworks.com
Subject: Re: [PATCH v2 4/5] PCI: imx6: add imx6sx pcie related gpr bits definitions
Date: Tue, 23 Sep 2014 12:21:03 +0200	[thread overview]
Message-ID: <1411467663.3256.11.camel@pengutronix.de> (raw)
In-Reply-To: <1411445498-20250-5-git-send-email-r65037@freescale.com>

Am Dienstag, den 23.09.2014, 12:11 +0800 schrieb Richard Zhu:
> Signed-off-by: Richard Zhu <r65037@freescale.com>

I don't think those _CLR defines make any sense. Can we just use the
mask and a value of 0 in the regmap updates? I don't see how those
defines add any value.

> ---
>  include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
> index ff44374..f02875e 100644
> --- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
> +++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
> @@ -113,10 +113,12 @@
>  #define IMX6Q_GPR1_MIPI_IPU1_MUX_GASKET		0x0
>  #define IMX6Q_GPR1_MIPI_IPU1_MUX_IOMUX		BIT(19)
>  #define IMX6Q_GPR1_PCIE_TEST_PD			BIT(18)
> +#define IMX6Q_GPR1_PCIE_TEST_PD_CLR		0x0
>  #define IMX6Q_GPR1_IPU_VPU_MUX_MASK		BIT(17)
>  #define IMX6Q_GPR1_IPU_VPU_MUX_IPU1		0x0
>  #define IMX6Q_GPR1_IPU_VPU_MUX_IPU2		BIT(17)
>  #define IMX6Q_GPR1_PCIE_REF_CLK_EN		BIT(16)
> +#define IMX6Q_GPR1_PCIE_REF_CLK_CLR		0x0
>  #define IMX6Q_GPR1_USB_EXP_MODE			BIT(15)
>  #define IMX6Q_GPR1_PCIE_INT			BIT(14)
>  #define IMX6Q_GPR1_USB_OTG_ID_SEL_MASK		BIT(13)
> @@ -300,7 +302,9 @@
>  #define IMX6Q_GPR12_ARMP_APB_CLK_EN		BIT(24)
>  #define IMX6Q_GPR12_DEVICE_TYPE			(0xf << 12)
>  #define IMX6Q_GPR12_PCIE_CTL_2			BIT(10)
> +#define IMX6Q_GPR12_PCIE_CTL_2_CLR		0x0
>  #define IMX6Q_GPR12_LOS_LEVEL			(0x1f << 4)
> +#define IMX6Q_GPR12_LOS_LEVEL_9			(0x9 << 4)
>  
>  #define IMX6Q_GPR13_SDMA_STOP_REQ		BIT(30)
>  #define IMX6Q_GPR13_CAN2_STOP_REQ		BIT(29)
> @@ -395,4 +399,14 @@
>  #define IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK    (0x3 << 17)
>  #define IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK    (0x1 << 14)
>  
> +/* For imx6sx iomux gpr register field define */
> +#define IMX6SX_GPR5_PCIE_BTNRST			BIT(19)
> +#define IMX6SX_GPR5_PCIE_BTNRST_CLR		0x0
> +#define IMX6SX_GPR5_PCIE_PERST			BIT(18)
> +#define IMX6SX_GPR5_PCIE_PERST_CLR		0x0
> +
> +#define IMX6SX_GPR12_PCIE_TEST_PD		BIT(30)
> +#define IMX6SX_GPR12_PCIE_TEST_PD_CLR		0x0
> +#define IMX6SX_GPR12_RX_EQ_MASK			(0x7 << 0)
> +#define IMX6SX_GPR12_RX_EQ_2			(0x2 << 0)
>  #endif /* __LINUX_IMX6Q_IOMUXC_GPR_H */

-- 
Pengutronix e.K.             | Lucas Stach                 |
Industrial Linux Solutions   | http://www.pengutronix.de/  |


  reply	other threads:[~2014-09-23 10:21 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-23  4:11 [PATCH v2]PCI: imx6: enable pcie on imx6sx sdb and imx6qdl sabreauto Richard Zhu
2014-09-23  4:11 ` [PATCH v2 1/5] PCI: imx6: enable pcie on " Richard Zhu
2014-09-23  9:19   ` Lucas Stach
2014-09-23 12:40   ` Fabio Estevam
2014-09-24  2:54     ` Hong-Xing.Zhu
2014-09-24 21:04       ` Fabio Estevam
2014-09-25  1:21         ` Hong-Xing.Zhu
2014-09-25  1:39           ` Fabio Estevam
2014-09-25  2:02             ` Hong-Xing.Zhu
2014-09-23  4:11 ` [PATCH v2 2/5] PCI: imx6: wait the clocks to stabilize after ref_en Richard Zhu
2014-09-23  9:56   ` Lucas Stach
2014-09-23 12:28     ` Tim Harvey
2014-09-25  5:21       ` Hong-Xing.Zhu
2014-10-01 18:00       ` Tim Harvey
2014-10-02  2:26         ` Hong-Xing.Zhu
2014-09-23 12:45   ` Fabio Estevam
2014-10-24  1:51   ` Fabio Estevam
2014-10-24  2:46     ` Richard.Zhu
2014-09-23  4:11 ` [PATCH v2 3/5] PCI: imx6: update dts and binding for imx6sx pcie Richard Zhu
2014-09-23 10:19   ` Lucas Stach
2014-09-24  9:43     ` Hong-Xing.Zhu
2014-09-23  4:11 ` [PATCH v2 4/5] PCI: imx6: add imx6sx pcie related gpr bits definitions Richard Zhu
2014-09-23 10:21   ` Lucas Stach [this message]
2014-09-24  4:45     ` Hong-Xing.Zhu
2014-09-23  4:11 ` [PATCH v2 5/5] PCI: imx6: add imx6sx pcie support Richard Zhu
2014-09-23 11:00   ` Lucas Stach
2014-09-24  7:09     ` Hong-Xing.Zhu
2014-09-24  9:46       ` Lucas Stach
2014-09-24 10:15         ` Hong-Xing.Zhu
2014-09-23  9:18 ` [PATCH v2]PCI: imx6: enable pcie on imx6sx sdb and imx6qdl sabreauto Lucas Stach
2014-09-23  9:29   ` Hong-Xing.Zhu

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