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Message-ID: <alpine.DEB.2.02.1603010900590.14948@utopia.booyaka.com>
Date: Tue, 1 Mar 2016 09:11:31 +0000 (UTC)
From: Paul Walmsley <paul@...an.com>
To: Peter Ujfalusi <peter.ujfalusi@...com>
cc: Tony Lindgren <tony@...mide.com>, robh+dt@...nel.org,
Tero Kristo <t-kristo@...com>, linux-omap@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/11] ARM: DRA7: hwmod: Add data for
McASP1/2/4/5/6/7/8
Hi Péter
A few questions:
On Thu, 25 Feb 2016, Peter Ujfalusi wrote:
> Add missing data for all McASP ports for the dra7 family
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
1. The patch doesn't set the HWMOD_OPT_CLKS_NEEDED flag for McASP1 and 2,
but does set it for McASP4-8. Could you please confirm that this is
intentional, and if so, why?
2. The patch sets HWMOD_SWSUP_SIDLE for McASP1 and 2, but doesn't set it
for McASP4-8. Could you please confirm that this is intentional, and if
so, why? The descriptions of the MODULEMODE fields in SPRUHZ6 look
identical.
3. Can McASP1,2,3 bus-master onto the L3? If so, then there should be
"dra7xx_mcasp1__l3_main_1"-style links to indicate this.
- Paul
> ---
> arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 235 ++++++++++++++++++++++++++++++
> 1 file changed, 235 insertions(+)
>
> diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> index 3953ad031c43..3bd067afa702 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> @@ -1374,6 +1374,50 @@ static struct omap_hwmod_class dra7xx_mcasp_hwmod_class = {
> .sysc = &dra7xx_mcasp_sysc,
> };
>
> +/* mcasp1 */
> +static struct omap_hwmod_opt_clk mcasp1_opt_clks[] = {
> + { .role = "ahclkx", .clk = "mcasp1_ahclkx_mux" },
> +};
> +
> +static struct omap_hwmod dra7xx_mcasp1_hwmod = {
> + .name = "mcasp1",
> + .class = &dra7xx_mcasp_hwmod_class,
> + .clkdm_name = "ipu_clkdm",
> + .main_clk = "mcasp1_aux_gfclk_mux",
> + .flags = HWMOD_SWSUP_SIDLE,
> + .prcm = {
> + .omap4 = {
> + .clkctrl_offs = DRA7XX_CM_IPU_MCASP1_CLKCTRL_OFFSET,
> + .context_offs = DRA7XX_RM_IPU_MCASP1_CONTEXT_OFFSET,
> + .modulemode = MODULEMODE_SWCTRL,
> + },
> + },
> + .opt_clks = mcasp1_opt_clks,
> + .opt_clks_cnt = ARRAY_SIZE(mcasp1_opt_clks),
> +};
> +
> +/* mcasp2 */
> +static struct omap_hwmod_opt_clk mcasp2_opt_clks[] = {
> + { .role = "ahclkx", .clk = "mcasp2_ahclkx_mux" },
> +};
> +
> +static struct omap_hwmod dra7xx_mcasp2_hwmod = {
> + .name = "mcasp2",
> + .class = &dra7xx_mcasp_hwmod_class,
> + .clkdm_name = "l4per2_clkdm",
> + .main_clk = "mcasp2_aux_gfclk_mux",
> + .flags = HWMOD_SWSUP_SIDLE,
> + .prcm = {
> + .omap4 = {
> + .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP2_CLKCTRL_OFFSET,
> + .context_offs = DRA7XX_RM_L4PER2_MCASP2_CONTEXT_OFFSET,
> + .modulemode = MODULEMODE_SWCTRL,
> + },
> + },
> + .opt_clks = mcasp2_opt_clks,
> + .opt_clks_cnt = ARRAY_SIZE(mcasp2_opt_clks),
> +};
> +
> /* mcasp3 */
> static struct omap_hwmod_opt_clk mcasp3_opt_clks[] = {
> { .role = "ahclkx", .clk = "mcasp3_ahclkx_mux" },
> @@ -1396,6 +1440,116 @@ static struct omap_hwmod dra7xx_mcasp3_hwmod = {
> .opt_clks_cnt = ARRAY_SIZE(mcasp3_opt_clks),
> };
>
> +/* mcasp4 */
> +static struct omap_hwmod_opt_clk mcasp4_opt_clks[] = {
> + { .role = "ahclkx", .clk = "mcasp4_ahclkx_mux" },
> +};
> +
> +static struct omap_hwmod dra7xx_mcasp4_hwmod = {
> + .name = "mcasp4",
> + .class = &dra7xx_mcasp_hwmod_class,
> + .clkdm_name = "l4per2_clkdm",
> + .main_clk = "mcasp4_aux_gfclk_mux",
> + .flags = HWMOD_OPT_CLKS_NEEDED,
> + .prcm = {
> + .omap4 = {
> + .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP4_CLKCTRL_OFFSET,
> + .context_offs = DRA7XX_RM_L4PER2_MCASP4_CONTEXT_OFFSET,
> + .modulemode = MODULEMODE_SWCTRL,
> + },
> + },
> + .opt_clks = mcasp4_opt_clks,
> + .opt_clks_cnt = ARRAY_SIZE(mcasp4_opt_clks),
> +};
> +
> +/* mcasp5 */
> +static struct omap_hwmod_opt_clk mcasp5_opt_clks[] = {
> + { .role = "ahclkx", .clk = "mcasp5_ahclkx_mux" },
> +};
> +
> +static struct omap_hwmod dra7xx_mcasp5_hwmod = {
> + .name = "mcasp5",
> + .class = &dra7xx_mcasp_hwmod_class,
> + .clkdm_name = "l4per2_clkdm",
> + .main_clk = "mcasp5_aux_gfclk_mux",
> + .flags = HWMOD_OPT_CLKS_NEEDED,
> + .prcm = {
> + .omap4 = {
> + .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP5_CLKCTRL_OFFSET,
> + .context_offs = DRA7XX_RM_L4PER2_MCASP5_CONTEXT_OFFSET,
> + .modulemode = MODULEMODE_SWCTRL,
> + },
> + },
> + .opt_clks = mcasp5_opt_clks,
> + .opt_clks_cnt = ARRAY_SIZE(mcasp5_opt_clks),
> +};
> +
> +/* mcasp6 */
> +static struct omap_hwmod_opt_clk mcasp6_opt_clks[] = {
> + { .role = "ahclkx", .clk = "mcasp6_ahclkx_mux" },
> +};
> +
> +static struct omap_hwmod dra7xx_mcasp6_hwmod = {
> + .name = "mcasp6",
> + .class = &dra7xx_mcasp_hwmod_class,
> + .clkdm_name = "l4per2_clkdm",
> + .main_clk = "mcasp6_aux_gfclk_mux",
> + .flags = HWMOD_OPT_CLKS_NEEDED,
> + .prcm = {
> + .omap4 = {
> + .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP6_CLKCTRL_OFFSET,
> + .context_offs = DRA7XX_RM_L4PER2_MCASP6_CONTEXT_OFFSET,
> + .modulemode = MODULEMODE_SWCTRL,
> + },
> + },
> + .opt_clks = mcasp6_opt_clks,
> + .opt_clks_cnt = ARRAY_SIZE(mcasp6_opt_clks),
> +};
> +
> +/* mcasp7 */
> +static struct omap_hwmod_opt_clk mcasp7_opt_clks[] = {
> + { .role = "ahclkx", .clk = "mcasp7_ahclkx_mux" },
> +};
> +
> +static struct omap_hwmod dra7xx_mcasp7_hwmod = {
> + .name = "mcasp7",
> + .class = &dra7xx_mcasp_hwmod_class,
> + .clkdm_name = "l4per2_clkdm",
> + .main_clk = "mcasp7_aux_gfclk_mux",
> + .flags = HWMOD_OPT_CLKS_NEEDED,
> + .prcm = {
> + .omap4 = {
> + .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP7_CLKCTRL_OFFSET,
> + .context_offs = DRA7XX_RM_L4PER2_MCASP7_CONTEXT_OFFSET,
> + .modulemode = MODULEMODE_SWCTRL,
> + },
> + },
> + .opt_clks = mcasp7_opt_clks,
> + .opt_clks_cnt = ARRAY_SIZE(mcasp7_opt_clks),
> +};
> +
> +/* mcasp8 */
> +static struct omap_hwmod_opt_clk mcasp8_opt_clks[] = {
> + { .role = "ahclkx", .clk = "mcasp8_ahclkx_mux" },
> +};
> +
> +static struct omap_hwmod dra7xx_mcasp8_hwmod = {
> + .name = "mcasp8",
> + .class = &dra7xx_mcasp_hwmod_class,
> + .clkdm_name = "l4per2_clkdm",
> + .main_clk = "mcasp8_aux_gfclk_mux",
> + .flags = HWMOD_OPT_CLKS_NEEDED,
> + .prcm = {
> + .omap4 = {
> + .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP8_CLKCTRL_OFFSET,
> + .context_offs = DRA7XX_RM_L4PER2_MCASP8_CONTEXT_OFFSET,
> + .modulemode = MODULEMODE_SWCTRL,
> + },
> + },
> + .opt_clks = mcasp8_opt_clks,
> + .opt_clks_cnt = ARRAY_SIZE(mcasp8_opt_clks),
> +};
> +
> /*
> * 'mmc' class
> *
> @@ -2703,6 +2857,38 @@ static struct omap_hwmod_ocp_if dra7xx_l3_main_1__hdmi = {
> .user = OCP_USER_MPU | OCP_USER_SDMA,
> };
>
> +/* l4_per2 -> mcasp1 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp1 = {
> + .master = &dra7xx_l4_per2_hwmod,
> + .slave = &dra7xx_mcasp1_hwmod,
> + .clk = "l4_root_clk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* l3_main_1 -> mcasp1 */
> +static struct omap_hwmod_ocp_if dra7xx_l3_main_1__mcasp1 = {
> + .master = &dra7xx_l3_main_1_hwmod,
> + .slave = &dra7xx_mcasp1_hwmod,
> + .clk = "l3_iclk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* l4_per2 -> mcasp2 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp2 = {
> + .master = &dra7xx_l4_per2_hwmod,
> + .slave = &dra7xx_mcasp2_hwmod,
> + .clk = "l4_root_clk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* l3_main_1 -> mcasp2 */
> +static struct omap_hwmod_ocp_if dra7xx_l3_main_1__mcasp2 = {
> + .master = &dra7xx_l3_main_1_hwmod,
> + .slave = &dra7xx_mcasp2_hwmod,
> + .clk = "l3_iclk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> /* l4_per2 -> mcasp3 */
> static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp3 = {
> .master = &dra7xx_l4_per2_hwmod,
> @@ -2719,6 +2905,46 @@ static struct omap_hwmod_ocp_if dra7xx_l3_main_1__mcasp3 = {
> .user = OCP_USER_MPU | OCP_USER_SDMA,
> };
>
> +/* l4_per2 -> mcasp4 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp4 = {
> + .master = &dra7xx_l4_per2_hwmod,
> + .slave = &dra7xx_mcasp4_hwmod,
> + .clk = "l4_root_clk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* l4_per2 -> mcasp5 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp5 = {
> + .master = &dra7xx_l4_per2_hwmod,
> + .slave = &dra7xx_mcasp5_hwmod,
> + .clk = "l4_root_clk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* l4_per2 -> mcasp6 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp6 = {
> + .master = &dra7xx_l4_per2_hwmod,
> + .slave = &dra7xx_mcasp6_hwmod,
> + .clk = "l4_root_clk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* l4_per2 -> mcasp7 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp7 = {
> + .master = &dra7xx_l4_per2_hwmod,
> + .slave = &dra7xx_mcasp7_hwmod,
> + .clk = "l4_root_clk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* l4_per2 -> mcasp8 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp8 = {
> + .master = &dra7xx_l4_per2_hwmod,
> + .slave = &dra7xx_mcasp8_hwmod,
> + .clk = "l4_root_clk_div",
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> /* l4_per1 -> elm */
> static struct omap_hwmod_ocp_if dra7xx_l4_per1__elm = {
> .master = &dra7xx_l4_per1_hwmod,
> @@ -3461,8 +3687,17 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
> &dra7xx_l4_wkup__dcan1,
> &dra7xx_l4_per2__dcan2,
> &dra7xx_l4_per2__cpgmac0,
> + &dra7xx_l4_per2__mcasp1,
> + &dra7xx_l3_main_1__mcasp1,
> + &dra7xx_l4_per2__mcasp2,
> + &dra7xx_l3_main_1__mcasp2,
> &dra7xx_l4_per2__mcasp3,
> &dra7xx_l3_main_1__mcasp3,
> + &dra7xx_l4_per2__mcasp4,
> + &dra7xx_l4_per2__mcasp5,
> + &dra7xx_l4_per2__mcasp6,
> + &dra7xx_l4_per2__mcasp7,
> + &dra7xx_l4_per2__mcasp8,
> &dra7xx_gmac__mdio,
> &dra7xx_l4_cfg__dma_system,
> &dra7xx_l3_main_1__tpcc,
> --
> 2.7.1
>
- Paul
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