Re: [PATCH 2/3] clk: meson: clk-pll: remove od parameters
From: Jerome Brunet
Date: Thu Jul 19 2018 - 04:45:43 EST
On Thu, 2018-07-19 at 10:42 +0200, Neil Armstrong wrote:
> > +static struct clk_regmap gxl_hdmi_pll_od = {
> > + .data = &(struct clk_regmap_div_data){
> > + .offset = HHI_HDMI_PLL_CNTL + 8,
> > + .shift = 16,
> > + .width = 2,
> > + .flags = CLK_DIVIDER_POWER_OF_TWO,
> > + },
> > + .hw.init = &(struct clk_init_data){
> > + .name = "hdmi_pll_od",
> > + .ops = &clk_regmap_divider_ro_ops,
> > + .parent_names = (const char *[]){ "hdmi_pll_dco" },
> > + .num_parents = 1,
> > + .flags = CLK_GET_RATE_NOCACHE,
> > + },
> > +};
>
> In my code, the GXL OD1 is at bit 21
>
> > +
> > +static struct clk_regmap gxl_hdmi_pll_od2 = {
> > + .data = &(struct clk_regmap_div_data){
> > + .offset = HHI_HDMI_PLL_CNTL + 8,
> > + .shift = 22,
> > + .width = 2,
> > + .flags = CLK_DIVIDER_POWER_OF_TWO,
> > + },
> > + .hw.init = &(struct clk_init_data){
> > + .name = "hdmi_pll_od2",
> > + .ops = &clk_regmap_divider_ro_ops,
> > + .parent_names = (const char *[]){ "hdmi_pll_od" },
> > + .num_parents = 1,
> > + .flags = CLK_GET_RATE_NOCACHE,
> > + },
> > +};
>
>
> In my code, the GXL OD3 is at bit 23
>
> > +
> > static struct clk_regmap gxl_hdmi_pll = {
> > - .data = &(struct meson_clk_pll_data){
> > - .en = {
> > - .reg_off = HHI_HDMI_PLL_CNTL,
> > - .shift = 30,
> > - .width = 1,
> > - },
> > - .m = {
> > - .reg_off = HHI_HDMI_PLL_CNTL,
> > - .shift = 0,
> > - .width = 9,
> > - },
> > - .n = {
> > - .reg_off = HHI_HDMI_PLL_CNTL,
> > - .shift = 9,
> > - .width = 5,
> > - },
> > - .frac = {
> > - /*
> > - * On gxl, there is a register shift due to
> > - * HHI_HDMI_PLL_CNTL1 which does not exist on gxbb,
> > - * so we compute the register offset based on the PLL
> > - * base to get it right
> > - */
> > - .reg_off = HHI_HDMI_PLL_CNTL + 4,
> > - .shift = 0,
> > - .width = 12,
> > - },
> > - .od = {
> > - .reg_off = HHI_HDMI_PLL_CNTL + 8,
> > - .shift = 21,
> > - .width = 2,
> > - },
> > - .od2 = {
> > - .reg_off = HHI_HDMI_PLL_CNTL + 8,
> > - .shift = 23,
> > - .width = 2,
> > - },
> > - .od3 = {
> > - .reg_off = HHI_HDMI_PLL_CNTL + 8,
> > - .shift = 19,
> > - .width = 2,
> > - },
> > - .l = {
> > - .reg_off = HHI_HDMI_PLL_CNTL,
> > - .shift = 31,
> > - .width = 1,
> > - },
> > - .rst = {
> > - .reg_off = HHI_HDMI_PLL_CNTL,
> > - .shift = 29,
> > - .width = 1,
> > - },
> > + .data = &(struct clk_regmap_div_data){
> > + .offset = HHI_HDMI_PLL_CNTL + 8,
> > + .shift = 18,
> > + .width = 2,
> > + .flags = CLK_DIVIDER_POWER_OF_TWO,
>
>
> In my code, the GXL OD3 is at bit 19
>
> It's only a copy/paste error, the original code had the correct shifts.
Absolutely. Good catch.