diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-04-27 11:31:00 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-04-28 12:22:45 +0200 |
| commit | d76f885ee3d9ace2d075cb0638e77d8358d422cf (patch) | |
| tree | c980ae7a23e7dc0e67b5b0a11d8c4ba245981c8d /drivers | |
| parent | 222091adb4a738c90fcc2c3c1a664e5252c09bfd (diff) | |
| download | barebox-d76f885ee3d9ace2d075cb0638e77d8358d422cf.tar.gz barebox-d76f885ee3d9ace2d075cb0638e77d8358d422cf.tar.xz | |
clk: mxs: Use device tree provided clock lookups
When probing from the device tree use the device tree provided clock
lookups. So far we only used the clock lookups based on the physical
base address of the device, but these should go sooner or later.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/mxs/clk-imx28.c | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c index aedd8d4a7c..1dd724c8a6 100644 --- a/drivers/clk/mxs/clk-imx28.c +++ b/drivers/clk/mxs/clk-imx28.c @@ -61,8 +61,9 @@ enum imx28_clk { }; static struct clk *clks[clk_max]; +static struct clk_onecell_data clk_data; -static int __init mx28_clocks_init(void __iomem *regs) +static int __init mx28_clocks_init(struct device_d *dev, void __iomem *regs) { clks[ref_xtal] = clk_fixed("ref_xtal", 24000000); clks[pll0] = mxs_clk_pll("pll0", "ref_xtal", PLL0CTRL0, 17, 480000000); @@ -132,23 +133,29 @@ static int __init mx28_clocks_init(void __iomem *regs) clk_set_rate(clks[ssp3], 96000000); clk_set_parent(clks[lcdif_sel], clks[ref_pix]); - clkdev_add_physbase(clks[ssp0], IMX_SSP0_BASE, NULL); - clkdev_add_physbase(clks[ssp1], IMX_SSP1_BASE, NULL); - clkdev_add_physbase(clks[ssp2], IMX_SSP2_BASE, NULL); - clkdev_add_physbase(clks[ssp3], IMX_SSP3_BASE, NULL); - clkdev_add_physbase(clks[fec], IMX_FEC0_BASE, NULL); - clkdev_add_physbase(clks[xbus], IMX_DBGUART_BASE, NULL); - clkdev_add_physbase(clks[hbus], IMX_OCOTP_BASE, NULL); - clkdev_add_physbase(clks[hbus], MXS_APBH_BASE, NULL); - clkdev_add_physbase(clks[uart], IMX_UART0_BASE, NULL); - clkdev_add_physbase(clks[uart], IMX_UART1_BASE, NULL); - clkdev_add_physbase(clks[uart], IMX_UART2_BASE, NULL); - clkdev_add_physbase(clks[uart], IMX_UART3_BASE, NULL); - clkdev_add_physbase(clks[uart], IMX_UART4_BASE, NULL); - clkdev_add_physbase(clks[gpmi], MXS_GPMI_BASE, NULL); - clkdev_add_physbase(clks[pwm], IMX_PWM_BASE, NULL); - if (IS_ENABLED(CONFIG_DRIVER_VIDEO_STM)) - clkdev_add_physbase(clks[lcdif_comp], IMX_FB_BASE, NULL); + if (dev->device_node) { + clk_data.clks = clks; + clk_data.clk_num = clk_max; + of_clk_add_provider(dev->device_node, of_clk_src_onecell_get, &clk_data); + } else { + clkdev_add_physbase(clks[ssp0], IMX_SSP0_BASE, NULL); + clkdev_add_physbase(clks[ssp1], IMX_SSP1_BASE, NULL); + clkdev_add_physbase(clks[ssp2], IMX_SSP2_BASE, NULL); + clkdev_add_physbase(clks[ssp3], IMX_SSP3_BASE, NULL); + clkdev_add_physbase(clks[fec], IMX_FEC0_BASE, NULL); + clkdev_add_physbase(clks[xbus], IMX_DBGUART_BASE, NULL); + clkdev_add_physbase(clks[hbus], IMX_OCOTP_BASE, NULL); + clkdev_add_physbase(clks[hbus], MXS_APBH_BASE, NULL); + clkdev_add_physbase(clks[uart], IMX_UART0_BASE, NULL); + clkdev_add_physbase(clks[uart], IMX_UART1_BASE, NULL); + clkdev_add_physbase(clks[uart], IMX_UART2_BASE, NULL); + clkdev_add_physbase(clks[uart], IMX_UART3_BASE, NULL); + clkdev_add_physbase(clks[uart], IMX_UART4_BASE, NULL); + clkdev_add_physbase(clks[gpmi], MXS_GPMI_BASE, NULL); + clkdev_add_physbase(clks[pwm], IMX_PWM_BASE, NULL); + if (IS_ENABLED(CONFIG_DRIVER_VIDEO_STM)) + clkdev_add_physbase(clks[lcdif_comp], IMX_FB_BASE, NULL); + } return 0; } @@ -163,7 +170,7 @@ static int imx28_ccm_probe(struct device_d *dev) return PTR_ERR(iores); regs = IOMEM(iores->start); - mx28_clocks_init(regs); + mx28_clocks_init(dev, regs); return 0; } |