From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH V2 2/4] ARM: shmobile: r8a7791: add QSPI clocks Date: Sun, 12 Jan 2014 12:00:31 +0100 Message-ID: <1389524433-2823-3-git-send-email-geert@linux-m68k.org> References: <1389524433-2823-1-git-send-email-geert@linux-m68k.org> Cc: linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Geert Uytterhoeven To: Simon Horman , Magnus Damm , Laurent Pinchart Return-path: In-Reply-To: <1389524433-2823-1-git-send-email-geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: From: Geert Uytterhoeven The QSPI clock divider value depends on the MD1, MD2, and MD3 mode switches. Signed-off-by: Geert Uytterhoeven --- V2: - No changes arch/arm/mach-shmobile/clock-r8a7791.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/mach-shmobile/clock-r8a7791.c b/arch/arm/mach-shmobile/clock-r8a7791.c index ca01dfe5f656..1185e5669a5e 100644 --- a/arch/arm/mach-shmobile/clock-r8a7791.c +++ b/arch/arm/mach-shmobile/clock-r8a7791.c @@ -101,6 +101,7 @@ static struct clk main_clk = { */ SH_FIXED_RATIO_CLK_SET(pll1_clk, main_clk, 1, 1); SH_FIXED_RATIO_CLK_SET(pll3_clk, main_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(qspi_clk, pll1_clk, 1, 1); /* fixed ratio clock */ SH_FIXED_RATIO_CLK_SET(extal_div2_clk, extal_clk, 1, 2); @@ -123,6 +124,7 @@ static struct clk *main_clks[] = { &pll3_clk, &hp_clk, &p_clk, + &qspi_clk, &rclk_clk, &mp_clk, &cp_clk, @@ -133,6 +135,7 @@ static struct clk *main_clks[] = { /* MSTP */ enum { MSTP931, MSTP930, MSTP929, MSTP928, MSTP927, MSTP925, + MSTP917, MSTP813, MSTP811, MSTP810, MSTP809, MSTP726, MSTP724, MSTP723, MSTP721, MSTP720, @@ -151,6 +154,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP928] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 28, MSTPSR9, 0), /* I2C3 */ [MSTP927] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 27, MSTPSR9, 0), /* I2C4 */ [MSTP925] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 25, MSTPSR9, 0), /* I2C5 */ + [MSTP917] = SH_CLK_MSTP32_STS(&qspi_clk, SMSTPCR9, 17, MSTPSR9, 0), /* QSPI */ [MSTP813] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR8, 13, MSTPSR8, 0), /* Ether */ [MSTP811] = SH_CLK_MSTP32_STS(&zg_clk, SMSTPCR8, 11, MSTPSR8, 0), /* VIN0 */ [MSTP810] = SH_CLK_MSTP32_STS(&zg_clk, SMSTPCR8, 10, MSTPSR8, 0), /* VIN1 */ @@ -189,6 +193,7 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("zg", &zg_clk), CLKDEV_CON_ID("hp", &hp_clk), CLKDEV_CON_ID("p", &p_clk), + CLKDEV_CON_ID("qspi", &qspi_clk), CLKDEV_CON_ID("rclk", &rclk_clk), CLKDEV_CON_ID("mp", &mp_clk), CLKDEV_CON_ID("cp", &cp_clk), @@ -214,6 +219,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.13", &mstp_clks[MSTP1106]), /* SCIFA4 */ CLKDEV_DEV_ID("sh-sci.14", &mstp_clks[MSTP1107]), /* SCIFA5 */ CLKDEV_DEV_ID("sh_cmt.0", &mstp_clks[MSTP124]), + CLKDEV_DEV_ID("qspi.0", &mstp_clks[MSTP917]), CLKDEV_DEV_ID("e61f0000.thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("i2c-rcar_gen2.0", &mstp_clks[MSTP931]), @@ -263,6 +269,11 @@ void __init r8a7791_clock_init(void) break; } + if ((mode & (MD(3) | MD(2) | MD(1))) == MD(2)) + SH_CLK_SET_RATIO(&qspi_clk_ratio, 1, 16); + else + SH_CLK_SET_RATIO(&qspi_clk_ratio, 1, 20); + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) ret = clk_register(main_clks[k]); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html