diff options
Diffstat (limited to 'drivers/clk/renesas/renesas-cpg-mssr.c')
| -rw-r--r-- | drivers/clk/renesas/renesas-cpg-mssr.c | 60 |
1 files changed, 43 insertions, 17 deletions
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 21f762aa2131..5d2c3edbaa14 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -57,9 +57,11 @@ static const u16 mstpsr[] = { 0x9A0, 0x9A4, 0x9A8, 0x9AC, }; -static const u16 mstpsr_for_v3u[] = { +static const u16 mstpsr_for_gen4[] = { 0x2E00, 0x2E04, 0x2E08, 0x2E0C, 0x2E10, 0x2E14, 0x2E18, 0x2E1C, - 0x2E20, 0x2E24, 0x2E28, 0x2E2C, 0x2E30, 0x2E34, 0x2E38, + 0x2E20, 0x2E24, 0x2E28, 0x2E2C, 0x2E30, 0x2E34, 0x2E38, 0x2E3C, + 0x2E40, 0x2E44, 0x2E48, 0x2E4C, 0x2E50, 0x2E54, 0x2E58, 0x2E5C, + 0x2E60, 0x2E64, 0x2E68, 0x2E6C, }; /* @@ -71,9 +73,11 @@ static const u16 smstpcr[] = { 0x990, 0x994, 0x998, 0x99C, }; -static const u16 mstpcr_for_v3u[] = { +static const u16 mstpcr_for_gen4[] = { 0x2D00, 0x2D04, 0x2D08, 0x2D0C, 0x2D10, 0x2D14, 0x2D18, 0x2D1C, - 0x2D20, 0x2D24, 0x2D28, 0x2D2C, 0x2D30, 0x2D34, 0x2D38, + 0x2D20, 0x2D24, 0x2D28, 0x2D2C, 0x2D30, 0x2D34, 0x2D38, 0x2D3C, + 0x2D40, 0x2D44, 0x2D48, 0x2D4C, 0x2D50, 0x2D54, 0x2D58, 0x2D5C, + 0x2D60, 0x2D64, 0x2D68, 0x2D6C, }; /* @@ -95,9 +99,11 @@ static const u16 srcr[] = { 0x920, 0x924, 0x928, 0x92C, }; -static const u16 srcr_for_v3u[] = { +static const u16 srcr_for_gen4[] = { 0x2C00, 0x2C04, 0x2C08, 0x2C0C, 0x2C10, 0x2C14, 0x2C18, 0x2C1C, - 0x2C20, 0x2C24, 0x2C28, 0x2C2C, 0x2C30, 0x2C34, 0x2C38, + 0x2C20, 0x2C24, 0x2C28, 0x2C2C, 0x2C30, 0x2C34, 0x2C38, 0x2C3C, + 0x2C40, 0x2C44, 0x2C48, 0x2C4C, 0x2C50, 0x2C54, 0x2C58, 0x2C5C, + 0x2C60, 0x2C64, 0x2C68, 0x2C6C, }; /* @@ -109,9 +115,11 @@ static const u16 srstclr[] = { 0x960, 0x964, 0x968, 0x96C, }; -static const u16 srstclr_for_v3u[] = { +static const u16 srstclr_for_gen4[] = { 0x2C80, 0x2C84, 0x2C88, 0x2C8C, 0x2C90, 0x2C94, 0x2C98, 0x2C9C, - 0x2CA0, 0x2CA4, 0x2CA8, 0x2CAC, 0x2CB0, 0x2CB4, 0x2CB8, + 0x2CA0, 0x2CA4, 0x2CA8, 0x2CAC, 0x2CB0, 0x2CB4, 0x2CB8, 0x2CBC, + 0x2CC0, 0x2CC4, 0x2CC8, 0x2CCC, 0x2CD0, 0x2CD4, 0x2CD8, 0x2CDC, + 0x2CE0, 0x2CE4, 0x2CE8, 0x2CEC, }; /** @@ -158,7 +166,7 @@ struct cpg_mssr_priv { struct { u32 mask; u32 val; - } smstpcr_saved[ARRAY_SIZE(mstpsr_for_v3u)]; + } smstpcr_saved[ARRAY_SIZE(mstpsr_for_gen4)]; struct clk *clks[]; }; @@ -552,6 +560,11 @@ void cpg_mssr_detach_dev(struct generic_pm_domain *unused, struct device *dev) pm_clk_destroy(dev); } +static void cpg_mssr_genpd_remove(void *data) +{ + pm_genpd_remove(data); +} + static int __init cpg_mssr_add_clk_domain(struct device *dev, const unsigned int *core_pm_clks, unsigned int num_core_pm_clks) @@ -560,6 +573,7 @@ static int __init cpg_mssr_add_clk_domain(struct device *dev, struct generic_pm_domain *genpd; struct cpg_mssr_clk_domain *pd; size_t pm_size = num_core_pm_clks * sizeof(core_pm_clks[0]); + int ret; pd = devm_kzalloc(dev, sizeof(*pd) + pm_size, GFP_KERNEL); if (!pd) @@ -574,11 +588,17 @@ static int __init cpg_mssr_add_clk_domain(struct device *dev, GENPD_FLAG_ACTIVE_WAKEUP; genpd->attach_dev = cpg_mssr_attach_dev; genpd->detach_dev = cpg_mssr_detach_dev; - pm_genpd_init(genpd, &pm_domain_always_on_gov, false); + ret = pm_genpd_init(genpd, &pm_domain_always_on_gov, false); + if (ret) + return ret; + + ret = devm_add_action_or_reset(dev, cpg_mssr_genpd_remove, genpd); + if (ret) + return ret; + cpg_mssr_clk_domain = pd; - of_genpd_add_provider_simple(np, genpd); - return 0; + return of_genpd_add_provider_simple(np, genpd); } #ifdef CONFIG_RESET_CONTROLLER @@ -828,6 +848,12 @@ static const struct of_device_id cpg_mssr_match[] = { .data = &r8a779a0_cpg_mssr_info, }, #endif +#ifdef CONFIG_CLK_R8A779F0 + { + .compatible = "renesas,r8a779f0-cpg-mssr", + .data = &r8a779f0_cpg_mssr_info, + }, +#endif { /* sentinel */ } }; @@ -970,11 +996,11 @@ static int __init cpg_mssr_common_init(struct device *dev, priv->reset_clear_regs = srstclr; } else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) { priv->control_regs = stbcr; - } else if (priv->reg_layout == CLK_REG_LAYOUT_RCAR_V3U) { - priv->status_regs = mstpsr_for_v3u; - priv->control_regs = mstpcr_for_v3u; - priv->reset_regs = srcr_for_v3u; - priv->reset_clear_regs = srstclr_for_v3u; + } else if (priv->reg_layout == CLK_REG_LAYOUT_RCAR_GEN4) { + priv->status_regs = mstpsr_for_gen4; + priv->control_regs = mstpcr_for_gen4; + priv->reset_regs = srcr_for_gen4; + priv->reset_clear_regs = srstclr_for_gen4; } else { error = -EINVAL; goto out_err; |