From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Agner Subject: [PATCH 07/18] ARM: imx: clk-vf610: leave DDR clock on Date: Wed, 9 Mar 2016 18:16:48 -0800 Message-ID: <1457576219-7971-8-git-send-email-stefan@agner.ch> References: <1457576219-7971-1-git-send-email-stefan@agner.ch> Return-path: In-Reply-To: <1457576219-7971-1-git-send-email-stefan@agner.ch> Sender: linux-clk-owner@vger.kernel.org To: shawnguo@kernel.org, mturquette@baylibre.com, sboyd@codeaurora.org Cc: kernel@pengutronix.de, sergeimir@emcraft.com, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Stefan Agner List-Id: devicetree@vger.kernel.org To use STOP mode without putting DDR3 into self-refresh mode, we need to keep the DDR clock enabled. Use the new gate configuration with a value of 2 to make sure that the clock is enabled in RUN, WAIT and STOP mode. Signed-off-by: Stefan Agner --- drivers/clk/imx/clk-vf610.c | 3 +++ include/dt-bindings/clock/vf610-clock.h | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c index 0a94d96..f0ff458 100644 --- a/drivers/clk/imx/clk-vf610.c +++ b/drivers/clk/imx/clk-vf610.c @@ -119,6 +119,7 @@ static unsigned int const clks_init_on[] __initconst = { VF610_CLK_SYS_BUS, VF610_CLK_DDR_SEL, VF610_CLK_DAP, + VF610_CLK_DDRMC, }; static struct clk * __init vf610_get_fixed_clock( @@ -233,6 +234,8 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_audio_div", "pll4_audio", 0, CCM_CACRR, 6, 3, 0, pll4_audio_div_table, &imx_ccm_lock); clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_video_div", "pll6_video", CCM_CACRR, 21, 1); + clk[VF610_CLK_DDRMC] = imx_clk_gate2_cgr("ddrmc", "ddr_sel", CCM_CCGR6, CCM_CCGRx_CGn(14), 0x2); + clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_usb_otg", PLL3_CTRL, 6); clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_usb_host", PLL7_CTRL, 6); diff --git a/include/dt-bindings/clock/vf610-clock.h b/include/dt-bindings/clock/vf610-clock.h index 56c16aa..cf2c00a 100644 --- a/include/dt-bindings/clock/vf610-clock.h +++ b/include/dt-bindings/clock/vf610-clock.h @@ -195,6 +195,7 @@ #define VF610_CLK_SNVS 182 #define VF610_CLK_DAP 183 #define VF610_CLK_OCOTP 184 -#define VF610_CLK_END 185 +#define VF610_CLK_DDRMC 185 +#define VF610_CLK_END 186 #endif /* __DT_BINDINGS_CLOCK_VF610_H */ -- 2.7.2