From patchwork Wed Sep 26 18:08:07 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Murali Karicheri X-Patchwork-Id: 1510611 Return-Path: X-Original-To: patchwork-davinci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by patchwork2.kernel.org (Postfix) with ESMTP id 89798DF238 for ; Wed, 26 Sep 2012 18:15:11 +0000 (UTC) Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id q8QIDpYd021416; Wed, 26 Sep 2012 13:13:51 -0500 Received: from DLEE74.ent.ti.com (dlee74.ent.ti.com [157.170.170.8]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8QIDpKG015703; Wed, 26 Sep 2012 13:13:51 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by DLEE74.ent.ti.com (157.170.170.8) with Microsoft SMTP Server id 14.1.323.3; Wed, 26 Sep 2012 13:13:50 -0500 Received: from linux.omap.com (dlelxs01.itg.ti.com [157.170.227.31]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8QIDpUv029616; Wed, 26 Sep 2012 13:13:51 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 05BDF8062D; Wed, 26 Sep 2012 13:13:51 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dlelxv30.itg.ti.com (dlelxv30.itg.ti.com [172.17.2.17]) by linux.omap.com (Postfix) with ESMTP id 9814E8062A for ; Wed, 26 Sep 2012 13:08:13 -0500 (CDT) Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8QI8DO8003678; Wed, 26 Sep 2012 13:08:13 -0500 Received: from dlelxv22.itg.ti.com (172.17.1.197) by dfle73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.1.323.3; Wed, 26 Sep 2012 13:08:13 -0500 Received: from ares-ubuntu.am.dhcp.ti.com (ares-ubuntu.am.dhcp.ti.com [158.218.103.17]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8QI8DKI014653; Wed, 26 Sep 2012 13:08:13 -0500 Received: from a0868495 by ares-ubuntu.am.dhcp.ti.com with local (Exim 4.76) (envelope-from ) id 1TGw1s-0002US-TA; Wed, 26 Sep 2012 14:08:12 -0400 From: Murali Karicheri To: , , , , , , , , , , , , , , Subject: [PATCH 11/13] ARM: davinci - update the dm365 soc code to use common clk drivers Date: Wed, 26 Sep 2012 14:08:07 -0400 Message-ID: <1348682889-9509-12-git-send-email-m-karicheri2@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1348682889-9509-1-git-send-email-m-karicheri2@ti.com> References: <1348682889-9509-1-git-send-email-m-karicheri2@ti.com> MIME-Version: 1.0 X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com The clock tree for dm365 is defined using the structure davinci_clk. The SoC specific code re-uses clk-fixed-rate, clk-divider, clk-fixed-factor and clk-mux drivers in addition to the davinci specific clk drivers, clk-davinci-pll and clk-davinci-psc. Macros are used to define the various clocks in the SoC. Signed-off-by: Murali Karicheri diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index f473745..15a8264 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -18,6 +18,14 @@ #include #include #include +#ifdef CONFIG_COMMON_CLK +#include +#include +#include +#include +#include +#endif + #include @@ -32,11 +40,21 @@ #include #include #include +#ifdef CONFIG_COMMON_CLK +#include +#endif #include "davinci.h" -#include "clock.h" #include "mux.h" #include "asp.h" +#ifndef CONFIG_COMMON_CLK +#include "clock.h" +#else +#define PLLM 0x110 +#define PREDIV 0x114 +#define POSTDIV 0x128 +#define PLLM_PLLM_MASK 0xff +#endif #define DM365_REF_FREQ 24000000 /* 24 MHz on the DM365 EVM */ @@ -56,6 +74,7 @@ #define DM365_EMAC_CNTRL_RAM_OFFSET 0x1000 #define DM365_EMAC_CNTRL_RAM_SIZE 0x2000 +#ifndef CONFIG_COMMON_CLK static struct pll_data pll1_data = { .num = 1, .phys_base = DAVINCI_PLL1_BASE, @@ -479,6 +498,344 @@ static struct clk_lookup dm365_clks[] = { CLK(NULL, "mjcp", &mjcp_clk), CLK(NULL, NULL, NULL), }; +#else +static struct clk_fixed_rate_data oscin_data = { + .rate = DM365_REF_FREQ, + .flags = CLK_IS_ROOT, +}; + +/* oscillator in as well as aux clock domain */ +static struct davinci_clk ref_clk_oscin = { + .name = "oscin", + .type = DAVINCI_FIXED_RATE_CLK, + .clk_data = { + .data = &oscin_data, + }, +}; + +static struct clk_davinci_pll_data pll1_data = { + .phy_pllm = DAVINCI_PLL1_BASE + PLLM, + .phy_prediv = DAVINCI_PLL1_BASE + PREDIV, + .phy_postdiv = DAVINCI_PLL1_BASE + POSTDIV, + .pllm_mask = PLLM_PLLM_MASK, + .prediv_mask = PLLDIV_RATIO_MASK, + .postdiv_mask = PLLDIV_RATIO_MASK, + .num = 1, + .pll_flags = CLK_DAVINCI_PLL_HAS_PREDIV | + CLK_DAVINCI_PLL_HAS_POSTDIV, +}; + +static struct davinci_clk pll1_clk = { + .name = "pll1", + .parent = &ref_clk_oscin, + .type = DAVINCI_MAIN_PLL_CLK, + .clk_data = { + .data = &pll1_data, + }, +}; + +static const char *pll1_plldiv_clk_mux_parents[] = { + "oscin", "pll1"}; + +static struct clk_mux_data pll1_plldiv_clk_mux_data = { + .shift = PLLCTL_PLLEN_SHIFT, + .width = PLLCTL_PLLEN_WIDTH, + .num_parents = ARRAY_SIZE(pll1_plldiv_clk_mux_parents), + .parents = pll1_plldiv_clk_mux_parents, + .phys_base = DAVINCI_PLL1_BASE + PLLCTL, +}; + +static struct davinci_clk pll1_plldiv_clk_mux = { + .name = "pll1_plldiv_clk_mux", + .parent = &pll1_clk, + .type = DAVINCI_MUX_CLK, + .clk_data = { + .data = &pll1_plldiv_clk_mux_data, + }, +}; + +#define define_pll1_div_clk(__pll, __div, __name) \ + static struct clk_divider_data pll1_div_data##__div = { \ + .div_reg = DAVINCI_PLL1_BASE + PLLDIV##__div, \ + .width = 5, \ + }; \ + \ + static struct davinci_clk __name = { \ + .name = #__name, \ + .parent = &__pll, \ + .type = DAVINCI_PRG_DIV_CLK, \ + .clk_data = { \ + .data = &pll1_div_data##__div, \ + }, \ + }; + +static struct clk_fixed_factor_data fixed_clk_data = { + .mult = 1, + .div = 1, +}; + +static struct davinci_clk pll1_aux_clk = { + .name = "pll1_aux_clk", + .parent = &ref_clk_oscin, + .type = DAVINCI_FIXED_FACTOR_CLK, + .clk_data = { + .fixed_factor = &fixed_clk_data, + }, +}; + +static struct clk_divider_data pll1_sysclkbp_data = { + .div_reg = DAVINCI_PLL2_BASE + BPDIV, + .width = 5, +}; + +static struct davinci_clk pll1_sysclkbp = { + .name = "pll1_sysclkbp", + .parent = &ref_clk_oscin, + .type = DAVINCI_PRG_DIV_CLK, + .clk_data = { + .data = &pll1_sysclkbp_data, + }, +}; + +static struct clk_divider_data pll1_obsclk_data = { + .div_reg = DAVINCI_PLL1_BASE + OSCDIV1, + .width = 5, +}; + +static struct davinci_clk pll1_clkout0 = { + .name = "clkout0", + .parent = &ref_clk_oscin, + .type = DAVINCI_PRG_DIV_CLK, + .clk_data = { + .data = &pll1_obsclk_data, + }, +}; + +define_pll1_div_clk(pll1_plldiv_clk_mux, 1, pll1_sysclk1); +define_pll1_div_clk(pll1_plldiv_clk_mux, 2, pll1_sysclk2); +define_pll1_div_clk(pll1_plldiv_clk_mux, 3, pll1_sysclk3); +define_pll1_div_clk(pll1_plldiv_clk_mux, 4, pll1_sysclk4); +define_pll1_div_clk(pll1_plldiv_clk_mux, 5, pll1_sysclk5); +define_pll1_div_clk(pll1_plldiv_clk_mux, 6, pll1_sysclk6); +define_pll1_div_clk(pll1_plldiv_clk_mux, 7, pll1_sysclk7); +define_pll1_div_clk(pll1_plldiv_clk_mux, 8, pll1_sysclk8); +define_pll1_div_clk(pll1_plldiv_clk_mux, 9, pll1_sysclk9); + +static struct clk_davinci_pll_data pll2_data = { + .phy_pllm = DAVINCI_PLL2_BASE + PLLM, + .phy_prediv = DAVINCI_PLL2_BASE + PREDIV, + .phy_postdiv = DAVINCI_PLL2_BASE + POSTDIV, + .pllm_mask = PLLM_PLLM_MASK, + .prediv_mask = PLLDIV_RATIO_MASK, + .postdiv_mask = PLLDIV_RATIO_MASK, + .num = 2, + .pll_flags = CLK_DAVINCI_PLL_HAS_PREDIV | + CLK_DAVINCI_PLL_HAS_POSTDIV, +}; + +static struct davinci_clk pll2_clk = { + .name = "pll2", + .parent = &ref_clk_oscin, + .type = DAVINCI_MAIN_PLL_CLK, + .clk_data = { + .data = &pll2_data, + }, +}; + +static struct davinci_clk pll2_aux_clk = { + .name = "pll2_aux_clk", + .parent = &ref_clk_oscin, + .type = DAVINCI_FIXED_FACTOR_CLK, + .clk_data = { + .fixed_factor = &fixed_clk_data, + }, +}; + +static const char *pll2_plldiv_clk_mux_parents[] = { + "ref_clk_mux", "pll2"}; + +static struct clk_mux_data pll2_plldiv_clk_mux_data = { + .shift = PLLCTL_PLLEN_SHIFT, + .width = PLLCTL_PLLEN_WIDTH, + .num_parents = ARRAY_SIZE(pll2_plldiv_clk_mux_parents), + .parents = pll2_plldiv_clk_mux_parents, + .phys_base = DAVINCI_PLL2_BASE + PLLCTL, +}; + +static struct davinci_clk pll2_plldiv_clk_mux = { + .name = "pll2_plldiv_clk_mux", + .parent = &pll2_clk, + .type = DAVINCI_MUX_CLK, + .clk_data = { + .data = &pll2_plldiv_clk_mux_data, + }, +}; + +#define define_pll2_div_clk(__pll, __div, __name) \ + static struct clk_divider_data pll2_div_data##__div = { \ + .div_reg = DAVINCI_PLL2_BASE + PLLDIV##__div, \ + .width = 5, \ + }; \ + \ + static struct davinci_clk __name = { \ + .name = #__name, \ + .parent = &__pll, \ + .type = DAVINCI_PRG_DIV_CLK, \ + .clk_data = { \ + .data = &pll2_div_data##__div, \ + }, \ + }; + +static struct clk_divider_data pll2_obsclk_data = { + .div_reg = DAVINCI_PLL2_BASE + OSCDIV1, + .width = 5, +}; + +static struct davinci_clk pll2_clkout1 = { + .name = "clkout1", + .parent = &ref_clk_oscin, + .type = DAVINCI_PRG_DIV_CLK, + .clk_data = { + .data = &pll2_obsclk_data, + }, +}; + +define_pll2_div_clk(pll2_plldiv_clk_mux, 1, pll2_sysclk1); +define_pll2_div_clk(pll2_plldiv_clk_mux, 2, pll2_sysclk2); +define_pll2_div_clk(pll2_plldiv_clk_mux, 3, pll2_sysclk3); +define_pll2_div_clk(pll2_plldiv_clk_mux, 4, pll2_sysclk4); +define_pll2_div_clk(pll2_plldiv_clk_mux, 5, pll2_sysclk5); + +#define __lpsc_clk(cname, _parent, mod, flgs, _flgs, dom) \ + static struct clk_davinci_psc_data clk_psc_data##cname = { \ + .domain = DAVINCI_GPSC_##dom, \ + .lpsc = DAVINCI_LPSC_##mod, \ + .flags = flgs, \ + }; \ + \ + static struct davinci_clk clk_##cname = { \ + .name = #cname, \ + .parent = &_parent, \ + .flags = _flgs, \ + .type = DAVINCI_PSC_CLK, \ + .clk_data = { \ + .data = &clk_psc_data##cname \ + }, \ + }; + +#define lpsc_clk_enabled(cname, parent, mod) \ + __lpsc_clk(cname, parent, mod, 0, ALWAYS_ENABLED, ARMDOMAIN) + +#define lpsc_clk(cname, flgs, parent, mod, dom) \ + __lpsc_clk(cname, parent, mod, flgs, 0, dom) + +#define __dm365_lpsc_clk(cname, _parent, mod, flgs, _flgs, dom) \ + static struct clk_davinci_psc_data clk_psc_data##cname = { \ + .domain = DAVINCI_GPSC_##dom, \ + .lpsc = DM365_LPSC_##mod, \ + .flags = flgs, \ + }; \ + \ + static struct davinci_clk clk_##cname = { \ + .name = #cname, \ + .parent = &_parent, \ + .flags = _flgs, \ + .type = DAVINCI_PSC_CLK, \ + .clk_data = { \ + .data = &clk_psc_data##cname \ + }, \ + }; + +#define dm365_lpsc_clk(cname, flgs, parent, mod, dom) \ + __dm365_lpsc_clk(cname, parent, mod, flgs, 0, dom) + +dm365_lpsc_clk(vpss_dac, 0, pll1_sysclk3, DAC_CLK, ARMDOMAIN); +dm365_lpsc_clk(vpss_master, 0, pll1_sysclk5, VPSSMSTR, ARMDOMAIN); +lpsc_clk_enabled(arm, pll2_sysclk2, ARM); +lpsc_clk(uart0, 0, pll1_aux_clk, UART0, ARMDOMAIN); +lpsc_clk(uart1, 0, pll1_sysclk4, UART1, ARMDOMAIN); +lpsc_clk(i2c, 0, pll1_aux_clk, I2C, ARMDOMAIN); +lpsc_clk(mmcsd0, 0, pll1_sysclk8, MMC_SD, ARMDOMAIN); +dm365_lpsc_clk(mmcsd1, 0, pll1_sysclk4, MMC_SD1, ARMDOMAIN); +lpsc_clk(spi0, 0, pll1_sysclk4, SPI, ARMDOMAIN); +dm365_lpsc_clk(spi1, 0, pll1_sysclk4, SPI1, ARMDOMAIN); +dm365_lpsc_clk(spi2, 0, pll1_sysclk4, SPI2, ARMDOMAIN); +dm365_lpsc_clk(spi3, 0, pll1_sysclk4, SPI3, ARMDOMAIN); +dm365_lpsc_clk(spi4, 0, pll1_aux_clk, SPI4, ARMDOMAIN); +lpsc_clk(gpio, 0, pll1_sysclk4, GPIO, ARMDOMAIN); +lpsc_clk(aemif, 0, pll1_sysclk4, AEMIF, ARMDOMAIN); +lpsc_clk(pwm0, 0, pll1_aux_clk, PWM0, ARMDOMAIN); +lpsc_clk(pwm1, 0, pll1_aux_clk, PWM1, ARMDOMAIN); +lpsc_clk(pwm2, 0, pll1_aux_clk, PWM2, ARMDOMAIN); +dm365_lpsc_clk(pwm3, 0, pll1_aux_clk, PWM3, ARMDOMAIN); +lpsc_clk(timer0, 0, pll1_aux_clk, TIMER0, ARMDOMAIN); +lpsc_clk(timer1, 0, pll1_aux_clk, TIMER1, ARMDOMAIN); +lpsc_clk(timer2, CLK_IGNORE_UNUSED, pll1_aux_clk, TIMER2, ARMDOMAIN); +dm365_lpsc_clk(timer3, 0, pll1_aux_clk, TIMER3, ARMDOMAIN); +lpsc_clk(usb, 0, pll1_aux_clk, USB, ARMDOMAIN); +dm365_lpsc_clk(emac, 0, pll1_sysclk4, EMAC, ARMDOMAIN); +dm365_lpsc_clk(voice_codec, 0, pll2_sysclk4, VOICE_CODEC, ARMDOMAIN); +dm365_lpsc_clk(asp0, 0, pll1_sysclk4, McBSP1, ARMDOMAIN); +dm365_lpsc_clk(rto, 0, pll1_sysclk4, RTO, ARMDOMAIN); +dm365_lpsc_clk(mjcp, 0, pll1_sysclk3, MJCP, ARMDOMAIN); + +static struct davinci_clk_lookup dm365_clks[] = { + CLK(NULL, "oscin", &ref_clk_oscin), + CLK(NULL, "pll1", &pll1_clk), + CLK(NULL, "pll1_plldiv_clk_mux", &pll1_plldiv_clk_mux), + CLK(NULL, "pll1_aux", &pll1_aux_clk), + CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp), + CLK(NULL, "clkout0", &pll1_clkout0), + CLK(NULL, "pll1_sysclk1", &pll1_sysclk1), + CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), + CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), + CLK(NULL, "pll1_sysclk4", &pll1_sysclk4), + CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), + CLK(NULL, "pll1_sysclk6", &pll1_sysclk6), + CLK(NULL, "pll1_sysclk7", &pll1_sysclk7), + CLK(NULL, "pll1_sysclk8", &pll1_sysclk8), + CLK(NULL, "pll1_sysclk9", &pll1_sysclk9), + CLK(NULL, "pll2", &pll2_clk), + CLK(NULL, "pll2_plldiv_clk_mux", &pll2_plldiv_clk_mux), + CLK(NULL, "pll2_aux", &pll2_aux_clk), + CLK(NULL, "clkout1", &pll2_clkout1), + CLK(NULL, "pll2_sysclk1", &pll2_sysclk1), + CLK(NULL, "pll2_sysclk2", &pll2_sysclk2), + CLK(NULL, "pll2_sysclk3", &pll2_sysclk3), + CLK(NULL, "pll2_sysclk4", &pll2_sysclk4), + CLK(NULL, "pll2_sysclk5", &pll2_sysclk5), + CLK(NULL, "vpss_dac", &clk_vpss_dac), + CLK(NULL, "vpss_master", &clk_vpss_master), + CLK(NULL, "arm", &clk_arm), + CLK(NULL, "uart0", &clk_uart0), + CLK(NULL, "uart1", &clk_uart1), + CLK("i2c_davinci.1", NULL, &clk_i2c), + CLK("davinci_mmc.0", NULL, &clk_mmcsd0), + CLK("davinci_mmc.1", NULL, &clk_mmcsd1), + CLK("spi_davinci.0", NULL, &clk_spi0), + CLK("spi_davinci.1", NULL, &clk_spi1), + CLK("spi_davinci.2", NULL, &clk_spi2), + CLK("spi_davinci.3", NULL, &clk_spi3), + CLK("spi_davinci.4", NULL, &clk_spi4), + CLK(NULL, "gpio", &clk_gpio), + CLK(NULL, "aemif", &clk_aemif), + CLK(NULL, "pwm0", &clk_pwm0), + CLK(NULL, "pwm1", &clk_pwm1), + CLK(NULL, "pwm2", &clk_pwm2), + CLK(NULL, "pwm3", &clk_pwm3), + CLK(NULL, "timer0", &clk_timer0), + CLK(NULL, "timer1", &clk_timer1), + CLK("watchdog", NULL, &clk_timer2), + CLK(NULL, "timer3", &clk_timer3), + CLK(NULL, "usb", &clk_usb), + CLK("davinci_emac.1", NULL, &clk_emac), + CLK("davinci_voicecodec", NULL, &clk_voice_codec), + CLK("davinci-mcbsp", NULL, &clk_asp0), + CLK(NULL, "rto", &clk_rto), + CLK(NULL, "mjcp", &clk_mjcp), + CLK(NULL, NULL, NULL), +}; +#endif /*----------------------------------------------------------------------*/