From: Tero Kristo <t-kristo-l0cyMroinI0@public.gmane.org>
To: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org,
tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
nm-l0cyMroinI0@public.gmane.org,
rnayak-l0cyMroinI0@public.gmane.org,
bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org,
mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
Subject: [PATCHv13 13/40] CLK: TI: omap5: Initialize USB_DPLL at boot
Date: Thu, 9 Jan 2014 16:00:24 +0200 [thread overview]
Message-ID: <1389276051-1326-14-git-send-email-t-kristo@ti.com> (raw)
In-Reply-To: <1389276051-1326-1-git-send-email-t-kristo-l0cyMroinI0@public.gmane.org>
From: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
USB_DPLL must be initialized and locked at boot so that
USB modules can work.
Signed-off-by: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
Signed-off-by: Tero Kristo <t-kristo-l0cyMroinI0@public.gmane.org>
Tested-by: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>
Acked-by: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
---
drivers/clk/ti/clk-54xx.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/ti/clk-54xx.c b/drivers/clk/ti/clk-54xx.c
index c876e6e..0ef9f58 100644
--- a/drivers/clk/ti/clk-54xx.c
+++ b/drivers/clk/ti/clk-54xx.c
@@ -19,6 +19,12 @@
#define OMAP5_DPLL_ABE_DEFFREQ 98304000
+/*
+ * OMAP543x TRM, section "3.6.3.9.5 DPLL_USB Preferred Settings"
+ * states it must be at 960MHz
+ */
+#define OMAP5_DPLL_USB_DEFFREQ 960000000
+
static struct ti_dt_clk omap54xx_clks[] = {
DT_CLK(NULL, "pad_clks_src_ck", "pad_clks_src_ck"),
DT_CLK(NULL, "pad_clks_ck", "pad_clks_ck"),
@@ -220,7 +226,7 @@ static struct ti_dt_clk omap54xx_clks[] = {
int __init omap5xxx_dt_clk_init(void)
{
int rc;
- struct clk *abe_dpll_ref, *abe_dpll, *sys_32k_ck;
+ struct clk *abe_dpll_ref, *abe_dpll, *sys_32k_ck, *usb_dpll;
ti_dt_clocks_register(omap54xx_clks);
@@ -235,5 +241,15 @@ int __init omap5xxx_dt_clk_init(void)
if (rc)
pr_err("%s: failed to configure ABE DPLL!\n", __func__);
+ usb_dpll = clk_get_sys(NULL, "dpll_usb_ck");
+ rc = clk_set_rate(usb_dpll, OMAP5_DPLL_USB_DEFFREQ);
+ if (rc)
+ pr_err("%s: failed to configure USB DPLL!\n", __func__);
+
+ usb_dpll = clk_get_sys(NULL, "dpll_usb_m2_ck");
+ rc = clk_set_rate(usb_dpll, OMAP5_DPLL_USB_DEFFREQ/2);
+ if (rc)
+ pr_err("%s: failed to set USB_DPLL M2 OUT\n", __func__);
+
return 0;
}
--
1.7.9.5
--
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next prev parent reply other threads:[~2014-01-09 14:00 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-09 14:00 [PATCHv13 00/40] ARM: TI SoC clock DT conversion Tero Kristo
2014-01-09 14:00 ` [PATCHv13 01/40] CLK: TI: add DT alias clock registration mechanism Tero Kristo
2014-01-09 14:00 ` [PATCHv13 02/40] CLK: ti: add init support for clock IP blocks Tero Kristo
2014-01-09 14:00 ` [PATCHv13 03/40] CLK: TI: Add DPLL clock support Tero Kristo
2014-01-09 14:00 ` [PATCHv13 04/40] CLK: TI: add autoidle support Tero Kristo
2014-01-09 14:00 ` [PATCHv13 05/40] clk: ti: add composite clock support Tero Kristo
2014-01-09 14:00 ` [PATCHv13 06/40] CLK: ti: add support for ti divider-clock Tero Kristo
2014-01-09 14:00 ` [PATCHv13 07/40] clk: ti: add support for TI fixed factor clock Tero Kristo
2014-01-09 14:00 ` [PATCHv13 09/40] CLK: TI: add support for clockdomain binding Tero Kristo
2014-01-09 14:00 ` [PATCHv13 10/40] clk: ti: add support for basic mux clock Tero Kristo
2014-01-09 14:00 ` [PATCHv13 11/40] CLK: TI: add omap4 clock init file Tero Kristo
2014-01-09 14:00 ` [PATCHv13 12/40] CLK: TI: add omap5 " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 15/40] CLK: TI: add dra7 " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 16/40] CLK: TI: add am33xx " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 18/40] CLK: TI: add omap3 " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 20/40] ARM: dts: omap4 clock data Tero Kristo
2014-01-09 14:00 ` [PATCHv13 22/40] ARM: dts: dra7 " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 23/40] ARM: dts: clk: Add apll related clocks Tero Kristo
2014-01-09 14:00 ` [PATCHv13 24/40] ARM: dts: DRA7: Change apll_pcie_m2_ck to fixed factor clock Tero Kristo
2014-01-09 14:00 ` [PATCHv13 25/40] ARM: dts: DRA7: Add PCIe related clock nodes Tero Kristo
2014-01-09 14:00 ` [PATCHv13 31/40] ARM: OMAP2+: clock: use driver API instead of direct memory read/write Tero Kristo
2014-01-09 14:00 ` [PATCHv13 32/40] ARM: OMAP: hwmod: fix an incorrect clk type cast with _get_clkdm Tero Kristo
2014-01-09 14:00 ` [PATCHv13 34/40] ARM: OMAP2+: PRM: add support for initializing PRCM clock modules from DT Tero Kristo
[not found] ` <1389276051-1326-1-git-send-email-t-kristo-l0cyMroinI0@public.gmane.org>
2014-01-09 14:00 ` [PATCHv13 08/40] CLK: TI: add support for gate clock Tero Kristo
2014-01-09 14:00 ` Tero Kristo [this message]
2014-01-09 14:00 ` [PATCHv13 14/40] CLK: TI: DRA7: Add APLL support Tero Kristo
2014-01-09 14:00 ` [PATCHv13 17/40] CLK: TI: add interface clock support for OMAP3 Tero Kristo
2014-01-09 14:00 ` [PATCHv13 19/40] CLK: TI: add am43xx clock init file Tero Kristo
2014-01-09 14:00 ` [PATCHv13 21/40] ARM: dts: omap5 clock data Tero Kristo
2014-01-09 14:00 ` [PATCHv13 26/40] ARM: dts: am33xx " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 27/40] ARM: dts: omap3 " Tero Kristo
2014-01-20 18:00 ` Sebastian Reichel
2014-01-21 7:42 ` Tero Kristo
2014-01-21 14:37 ` [PATCH] ARM: dts: omap3 clocks: simplify ssi aliases Sebastian Reichel
2014-02-13 22:49 ` Tony Lindgren
2014-02-14 1:25 ` Sebastian Reichel
2014-02-14 13:47 ` Tero Kristo
2014-02-28 22:03 ` Tony Lindgren
2014-01-09 14:00 ` [PATCHv13 28/40] ARM: dts: AM35xx: use DT clock data Tero Kristo
2014-01-09 14:00 ` [PATCHv13 29/40] ARM: dts: am43xx " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 30/40] ARM: OMAP2+: clock: add support for indexed memmaps Tero Kristo
2014-01-09 14:00 ` [PATCHv13 33/40] ARM: OMAP3: hwmod: initialize clkdm from clkdm_name Tero Kristo
2014-01-09 14:00 ` [PATCHv13 35/40] ARM: OMAP2+: io: use new clock init API Tero Kristo
2014-01-09 14:00 ` [PATCHv13 36/40] ARM: OMAP4: remove old clock data and link in new clock init code Tero Kristo
2014-01-09 14:00 ` [PATCHv13 37/40] ARM: OMAP: DRA7: Enable clock init Tero Kristo
2014-01-09 14:00 ` [PATCHv13 38/40] ARM: AM43xx: " Tero Kristo
2014-01-09 14:00 ` [PATCHv13 39/40] ARM: AM33xx: remove old clock data and link in new clock init code Tero Kristo
2014-01-09 14:00 ` [PATCHv13 40/40] ARM: OMAP3: use DT clock init if DT data is available Tero Kristo
2014-01-09 22:23 ` [PATCHv13 00/40] ARM: TI SoC clock DT conversion Mike Turquette
2014-01-10 18:53 ` Tony Lindgren
2014-01-11 9:54 ` Tero Kristo
2014-01-12 0:36 ` Tony Lindgren
2014-01-09 17:22 ` Felipe Balbi
2014-01-09 18:40 ` Felipe Balbi
2014-01-09 18:43 ` Felipe Balbi
2014-01-09 21:22 ` Nishanth Menon
2014-01-09 23:15 ` Felipe Balbi
2014-01-10 9:52 ` Tero Kristo
2014-01-10 16:13 ` Felipe Balbi
2014-01-10 16:30 ` Tero Kristo
2014-01-10 18:51 ` Tony Lindgren
2014-01-14 12:41 ` Tero Kristo
2014-01-14 20:36 ` Felipe Balbi
2014-01-15 2:04 ` Felipe Balbi
2014-01-15 3:16 ` Mike Turquette
2014-01-15 3:50 ` Mike Turquette
2014-01-15 13:41 ` Tero Kristo
2014-01-15 15:59 ` Nishanth Menon
2014-01-15 17:13 ` Tony Lindgren
2014-01-15 19:23 ` Mike Turquette
2014-01-15 19:35 ` Tony Lindgren
2014-01-16 21:39 ` Mike Turquette
2014-01-16 23:05 ` Nishanth Menon
2014-01-17 17:46 ` Kevin Hilman
2014-01-17 17:53 ` Tony Lindgren
2014-01-17 18:11 ` Tero Kristo
2014-01-17 20:58 ` Mike Turquette
2014-01-18 0:02 ` Nishanth Menon
2014-01-18 0:12 ` Olof Johansson
2014-01-18 0:19 ` Nishanth Menon
2014-01-18 0:23 ` Olof Johansson
2014-01-18 1:20 ` Nishanth Menon
2014-01-18 18:11 ` Sebastian Reichel
2014-01-20 17:36 ` Nishanth Menon
2014-01-18 18:07 ` Tony Lindgren
2014-01-17 20:02 ` Nishanth Menon
2014-01-11 16:35 ` Joachim Eastwood
2014-01-13 15:49 ` Tero Kristo
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