Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422701AbbEVADy (ORCPT ); Thu, 21 May 2015 20:03:54 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:35265 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422671AbbEVADt (ORCPT ); Thu, 21 May 2015 20:03:49 -0400 From: Ezequiel Garcia To: , , "Mike Turquette" , CC: Andrew Bresticker , James Hartley , , , , James Hogan , Ezequiel Garcia Subject: [PATCH 7/9] clk: pistachio: Add a rate table for the MIPS PLL Date: Thu, 21 May 2015 20:57:41 -0300 Message-ID: <1432252663-31318-8-git-send-email-ezequiel.garcia@imgtec.com> X-Mailer: git-send-email 2.3.3 In-Reply-To: <1432252663-31318-1-git-send-email-ezequiel.garcia@imgtec.com> References: <1432252663-31318-1-git-send-email-ezequiel.garcia@imgtec.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.100.200.44] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2602 Lines: 65 This commit adds a rate parameter table, which makes it possible for the MIPS PLL to support rate change. Signed-off-by: Govindraj Raja Signed-off-by: Ezequiel Garcia --- drivers/clk/pistachio/clk-pistachio.c | 12 +++++++++++- drivers/clk/pistachio/clk.h | 12 ++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/clk/pistachio/clk-pistachio.c b/drivers/clk/pistachio/clk-pistachio.c index 22a7ebd..0ac7429 100644 --- a/drivers/clk/pistachio/clk-pistachio.c +++ b/drivers/clk/pistachio/clk-pistachio.c @@ -145,8 +145,18 @@ static struct pistachio_mux pistachio_muxes[] __initdata = { MUX(CLK_BT_PLL_MUX, "bt_pll_mux", mux_xtal_bt, 0x200, 17), }; +static struct pistachio_pll_rate_table mips_pll_rates[] = { + MIPS_PLL_RATES(52000000, 416000000, 1, 16, 2, 1), + MIPS_PLL_RATES(52000000, 442000000, 1, 17, 2, 1), + MIPS_PLL_RATES(52000000, 468000000, 1, 18, 2, 1), + MIPS_PLL_RATES(52000000, 494000000, 1, 19, 2, 1), + MIPS_PLL_RATES(52000000, 520000000, 1, 20, 2, 1), + MIPS_PLL_RATES(52000000, 546000000, 1, 21, 2, 1), +}; + static struct pistachio_pll pistachio_plls[] __initdata = { - PLL_FIXED(CLK_MIPS_PLL, "mips_pll", "xtal", PLL_GF40LP_LAINT, 0x0), + PLL(CLK_MIPS_PLL, "mips_pll", "xtal", PLL_GF40LP_LAINT, 0x0, + mips_pll_rates), PLL_FIXED(CLK_AUDIO_PLL, "audio_pll", "audio_refclk_mux", PLL_GF40LP_FRAC, 0xc), PLL_FIXED(CLK_RPU_V_PLL, "rpu_v_pll", "xtal", PLL_GF40LP_LAINT, 0x20), diff --git a/drivers/clk/pistachio/clk.h b/drivers/clk/pistachio/clk.h index 3bb6bbe..b5d22d6 100644 --- a/drivers/clk/pistachio/clk.h +++ b/drivers/clk/pistachio/clk.h @@ -121,6 +121,18 @@ struct pistachio_pll_rate_table { unsigned int frac; }; +#define MIPS_PLL_RATES(_fref, _fout, _refdiv, _fbdiv, \ + _postdiv1, _postdiv2) \ +{ \ + .fref = _fref, \ + .fout = _fout, \ + .refdiv = _refdiv, \ + .fbdiv = _fbdiv, \ + .postdiv1 = _postdiv1, \ + .postdiv2 = _postdiv2, \ + .frac = 0, \ +} + enum pistachio_pll_type { PLL_GF40LP_LAINT, PLL_GF40LP_FRAC, -- 2.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/