From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pg0-x242.google.com ([2607:f8b0:400e:c05::242]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f2Ra0-0006Wp-QZ for barebox@lists.infradead.org; Sun, 01 Apr 2018 01:14:47 +0000 Received: by mail-pg0-x242.google.com with SMTP id n11so7181526pgp.4 for ; Sat, 31 Mar 2018 18:14:31 -0700 (PDT) From: Andrey Smirnov Date: Sat, 31 Mar 2018 18:13:55 -0700 Message-Id: <20180401011358.11621-2-andrew.smirnov@gmail.com> In-Reply-To: <20180401011358.11621-1-andrew.smirnov@gmail.com> References: <20180401011358.11621-1-andrew.smirnov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/3] clk: i.MX7: Port NAND clock setup code from Linux To: barebox@lists.infradead.org Cc: Andrey Smirnov Port Linux kernel commit 22039d150f716e4e ("clk: imx7d: create clocks behind rawnand clock gate") in order to correctly initialize clocks necessary for APBH DMA block to be functional on i.MX7 Signed-off-by: Andrey Smirnov --- drivers/clk/imx/clk-imx7.c | 5 +++-- drivers/clk/imx/clk.h | 7 +++++++ 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx7.c b/drivers/clk/imx/clk-imx7.c index b79c8c301..548f86cbe 100644 --- a/drivers/clk/imx/clk-imx7.c +++ b/drivers/clk/imx/clk-imx7.c @@ -676,7 +676,7 @@ static int imx7_ccm_probe(struct device_d *dev) clks[IMX7D_ENET2_TIME_ROOT_DIV] = imx_clk_divider2("enet2_time_post_div", "enet2_time_pre_div", base + 0xa880, 0, 6); clks[IMX7D_ENET_PHY_REF_ROOT_DIV] = imx_clk_divider2("enet_phy_ref_post_div", "enet_phy_ref_pre_div", base + 0xa900, 0, 6); clks[IMX7D_EIM_ROOT_DIV] = imx_clk_divider2("eim_post_div", "eim_pre_div", base + 0xa980, 0, 6); - clks[IMX7D_NAND_ROOT_DIV] = imx_clk_divider2("nand_post_div", "nand_pre_div", base + 0xaa00, 0, 6); + clks[IMX7D_NAND_ROOT_CLK] = imx_clk_divider2("nand_root_clk", "nand_pre_div", base + 0xaa00, 0, 6); clks[IMX7D_QSPI_ROOT_DIV] = imx_clk_divider2("qspi_post_div", "qspi_pre_div", base + 0xaa80, 0, 6); clks[IMX7D_USDHC1_ROOT_DIV] = imx_clk_divider2("usdhc1_post_div", "usdhc1_pre_div", base + 0xab00, 0, 6); clks[IMX7D_USDHC2_ROOT_DIV] = imx_clk_divider2("usdhc2_post_div", "usdhc2_pre_div", base + 0xab80, 0, 6); @@ -751,7 +751,8 @@ static int imx7_ccm_probe(struct device_d *dev) clks[IMX7D_ENET_PHY_REF_ROOT_CLK] = imx_clk_gate4("enet_phy_ref_root_clk", "enet_phy_ref_post_div", base + 0x4520, 0); clks[IMX7D_EIM_ROOT_CLK] = imx_clk_gate4("eim_root_clk", "eim_post_div", base + 0x4160, 0); - clks[IMX7D_NAND_ROOT_CLK] = imx_clk_gate4("nand_root_clk", "nand_post_div", base + 0x4140, 0); + clks[IMX7D_NAND_RAWNAND_CLK] = imx_clk_gate2_shared2("nand_rawnand_clk", "nand_root_clk", base + 0x4140, 0); + clks[IMX7D_NAND_USDHC_BUS_RAWNAND_CLK] = imx_clk_gate2_shared2("nand_usdhc_rawnand_clk", "nand_usdhc_root_clk", base + 0x4140, 0); clks[IMX7D_QSPI_ROOT_CLK] = imx_clk_gate4("qspi_root_clk", "qspi_post_div", base + 0x4150, 0); clks[IMX7D_USB_CTRL_CLK] = imx_clk_gate4("usb_ctrl_clk", "osc", base + 0x4680, 0); clks[IMX7D_USB_PHY1_CLK] = imx_clk_gate4("usbphy1_clk", "osc", base + 0x46a0, 0); diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index c46c2614d..71c6f459a 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -80,6 +80,13 @@ static inline struct clk *imx_clk_gate2(const char *name, const char *parent, return clk_gate2(name, parent, reg, shift, 0x3, 0); } +static inline struct clk *imx_clk_gate2_shared2(const char *name, const char *parent, + void __iomem *reg, u8 shift) +{ + return clk_gate2(name, parent, reg, shift, 0x3, + CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE); +} + static inline struct clk *imx_clk_gate2_cgr(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 cgr_val) { -- 2.14.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox